      1 /*!
      2  * jQuery JavaScript Library v1.11.1
      3  * http://jquery.com/
      4  *
      5  * Includes Sizzle.js
      6  * http://sizzlejs.com/
      7  *
      8  * Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors
      9  * Released under the MIT license
     10  * http://jquery.org/license
     11  *
     12  * Date: 2014-05-01T17:42Z
     13  */
     14
     15 (function( global, factory ) {
     16
     17     if ( typeof module === "object" && typeof module.exports === "object" ) {
     18         // For CommonJS and CommonJS-like environments where a proper window is present,
     19         // execute the factory and get jQuery
     20         // For environments that do not inherently posses a window with a document
     21         // (such as Node.js), expose a jQuery-making factory as module.exports
     22         // This accentuates the need for the creation of a real window
     23         // e.g. var jQuery = require("jquery")(window);
     24         // See ticket #14549 for more info
     25         module.exports = global.document ?
     26             factory( global, true ) :
     27             function( w ) {
     28                 if ( !w.document ) {
     29                     throw new Error( "jQuery requires a window with a document" );
     30                 }
     31                 return factory( w );
     32             };
     33     } else {
     34         factory( global );
     35     }
     36
     37 // Pass this if window is not defined yet
     38 }(typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
     39
     40 // Can't do this because several apps including ASP.NET trace
     41 // the stack via arguments.caller.callee and Firefox dies if
     42 // you try to trace through "use strict" call chains. (#13335)
     43 // Support: Firefox 18+
     44 //
     45
     46 var deletedIds = [];
     47
     48 var slice = deletedIds.slice;
     49
     50 var concat = deletedIds.concat;
     51
     52 var push = deletedIds.push;
     53
     54 var indexOf = deletedIds.indexOf;
     55
     56 var class2type = {};
     57
     58 var toString = class2type.toString;
     59
     60 var hasOwn = class2type.hasOwnProperty;
     61
     62 var support = {};
     63
     64
     65
     66 var
     67     version = "1.11.1",
     68
     69     // Define a local copy of jQuery
     70     jQuery = function( selector, context ) {
     71         // The jQuery object is actually just the init constructor 'enhanced'
     72         // Need init if jQuery is called (just allow error to be thrown if not included)
     73         return new jQuery.fn.init( selector, context );
     74     },
     75
     76     // Support: Android<4.1, IE<9
     77     // Make sure we trim BOM and NBSP
     78     rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
     79
     80     // Matches dashed string for camelizing
     81     rmsPrefix = /^-ms-/,
     82     rdashAlpha = /-([\da-z])/gi,
     83
     84     // Used by jQuery.camelCase as callback to replace()
     85     fcamelCase = function( all, letter ) {
     86         return letter.toUpperCase();
     87     };
     88
     89 jQuery.fn = jQuery.prototype = {
     90     // The current version of jQuery being used
     91     jquery: version,
     92
     93     constructor: jQuery,
     94
     95     // Start with an empty selector
     96     selector: "",
     97
     98     // The default length of a jQuery object is 0
     99     length: 0,
    100
    101     toArray: function() {
    102         return slice.call( this );
    103     },
    104
    105     // Get the Nth element in the matched element set OR
    106     // Get the whole matched element set as a clean array
    107     get: function( num ) {
    108         return num != null ?
    109
    110             // Return just the one element from the set
    111             ( num < 0 ? this[ num + this.length ] : this[ num ] ) :
    112
    113             // Return all the elements in a clean array
    114             slice.call( this );
    115     },
    116
    117     // Take an array of elements and push it onto the stack
    118     // (returning the new matched element set)
    119     pushStack: function( elems ) {
    120
    121         // Build a new jQuery matched element set
    122         var ret = jQuery.merge( this.constructor(), elems );
    123
    124         // Add the old object onto the stack (as a reference)
    125         ret.prevObject = this;
    126         ret.context = this.context;
    127
    128         // Return the newly-formed element set
    129         return ret;
    130     },
    131
    132     // Execute a callback for every element in the matched set.
    133     // (You can seed the arguments with an array of args, but this is
    134     // only used internally.)
    135     each: function( callback, args ) {
    136         return jQuery.each( this, callback, args );
    137     },
    138
    139     map: function( callback ) {
    140         return this.pushStack( jQuery.map(this, function( elem, i ) {
    141             return callback.call( elem, i, elem );
    142         }));
    143     },
    144
    145     slice: function() {
    146         return this.pushStack( slice.apply( this, arguments ) );
    147     },
    148
    149     first: function() {
    150         return this.eq( 0 );
    151     },
    152
    153     last: function() {
    154         return this.eq( -1 );
    155     },
    156
    157     eq: function( i ) {
    158         var len = this.length,
    159             j = +i + ( i < 0 ? len : 0 );
    160         return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
    161     },
    162
    163     end: function() {
    164         return this.prevObject || this.constructor(null);
    165     },
    166
    167     // For internal use only.
    168     // Behaves like an Array's method, not like a jQuery method.
    169     push: push,
    170     sort: deletedIds.sort,
    171     splice: deletedIds.splice
    172 };
    173
    174 jQuery.extend = jQuery.fn.extend = function() {
    175     var src, copyIsArray, copy, name, options, clone,
    176         target = arguments[0] || {},
    177         i = 1,
    178         length = arguments.length,
    179         deep = false;
    180
    181     // Handle a deep copy situation
    182     if ( typeof target === "boolean" ) {
    183         deep = target;
    184
    185         // skip the boolean and the target
    186         target = arguments[ i ] || {};
    187         i++;
    188     }
    189
    190     // Handle case when target is a string or something (possible in deep copy)
    191     if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
    192         target = {};
    193     }
    194
    195     // extend jQuery itself if only one argument is passed
    196     if ( i === length ) {
    197         target = this;
    198         i--;
    199     }
    200
    201     for ( ; i < length; i++ ) {
    202         // Only deal with non-null/undefined values
    203         if ( (options = arguments[ i ]) != null ) {
    204             // Extend the base object
    205             for ( name in options ) {
    206                 src = target[ name ];
    207                 copy = options[ name ];
    208
    209                 // Prevent never-ending loop
    210                 if ( target === copy ) {
    211                     continue;
    212                 }
    213
    214                 // Recurse if we're merging plain objects or arrays
    215                 if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
    216                     if ( copyIsArray ) {
    217                         copyIsArray = false;
    218                         clone = src && jQuery.isArray(src) ? src : [];
    219
    220                     } else {
    221                         clone = src && jQuery.isPlainObject(src) ? src : {};
    222                     }
    223
    224                     // Never move original objects, clone them
    225                     target[ name ] = jQuery.extend( deep, clone, copy );
    226
    227                 // Don't bring in undefined values
    228                 } else if ( copy !== undefined ) {
    229                     target[ name ] = copy;
    230                 }
    231             }
    232         }
    233     }
    234
    235     // Return the modified object
    236     return target;
    237 };
    238
    239 jQuery.extend({
    240     // Unique for each copy of jQuery on the page
    241     expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
    242
    243     // Assume jQuery is ready without the ready module
    244     isReady: true,
    245
    246     error: function( msg ) {
    247         throw new Error( msg );
    248     },
    249
    250     noop: function() {},
    251
    252     // See test/unit/core.js for details concerning isFunction.
    253     // Since version 1.3, DOM methods and functions like alert
    254     // aren't supported. They return false on IE (#2968).
    255     isFunction: function( obj ) {
    256         return jQuery.type(obj) === "function";
    257     },
    258
    259     isArray: Array.isArray || function( obj ) {
    260         return jQuery.type(obj) === "array";
    261     },
    262
    263     isWindow: function( obj ) {
    264         /* jshint eqeqeq: false */
    265         return obj != null && obj == obj.window;
    266     },
    267
    268     isNumeric: function( obj ) {
    269         // parseFloat NaNs numeric-cast false positives (null|true|false|"")
    270         // ...but misinterprets leading-number strings, particularly hex literals ("0x...")
    271         // subtraction forces infinities to NaN
    272         return !jQuery.isArray( obj ) && obj - parseFloat( obj ) >= 0;
    273     },
    274
    275     isEmptyObject: function( obj ) {
    276         var name;
    277         for ( name in obj ) {
    278             return false;
    279         }
    280         return true;
    281     },
    282
    283     isPlainObject: function( obj ) {
    284         var key;
    285
    286         // Must be an Object.
    287         // Because of IE, we also have to check the presence of the constructor property.
    288         // Make sure that DOM nodes and window objects don't pass through, as well
    289         if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
    290             return false;
    291         }
    292
    293         try {
    294             // Not own constructor property must be Object
    295             if ( obj.constructor &&
    296                 !hasOwn.call(obj, "constructor") &&
    297                 !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
    298                 return false;
    299             }
    300         } catch ( e ) {
    301             // IE8,9 Will throw exceptions on certain host objects #9897
    302             return false;
    303         }
    304
    305         // Support: IE<9
    306         // Handle iteration over inherited properties before own properties.
    307         if ( support.ownLast ) {
    308             for ( key in obj ) {
    309                 return hasOwn.call( obj, key );
    310             }
    311         }
    312
    313         // Own properties are enumerated firstly, so to speed up,
    314         // if last one is own, then all properties are own.
    315         for ( key in obj ) {}
    316
    317         return key === undefined || hasOwn.call( obj, key );
    318     },
    319
    320     type: function( obj ) {
    321         if ( obj == null ) {
    322             return obj + "";
    323         }
    324         return typeof obj === "object" || typeof obj === "function" ?
    325             class2type[ toString.call(obj) ] || "object" :
    326             typeof obj;
    327     },
    328
    329     // Evaluates a script in a global context
    330     // Workarounds based on findings by Jim Driscoll
    331     // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
    332     globalEval: function( data ) {
    333         if ( data && jQuery.trim( data ) ) {
    334             // We use execScript on Internet Explorer
    335             // We use an anonymous function so that context is window
    336             // rather than jQuery in Firefox
    337             ( window.execScript || function( data ) {
    338                 window[ "eval" ].call( window, data );
    339             } )( data );
    340         }
    341     },
    342
    343     // Convert dashed to camelCase; used by the css and data modules
    344     // Microsoft forgot to hump their vendor prefix (#9572)
    345     camelCase: function( string ) {
    346         return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
    347     },
    348
    349     nodeName: function( elem, name ) {
    350         return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
    351     },
    352
    353     // args is for internal usage only
    354     each: function( obj, callback, args ) {
    355         var value,
    356             i = 0,
    357             length = obj.length,
    358             isArray = isArraylike( obj );
    359
    360         if ( args ) {
    361             if ( isArray ) {
    362                 for ( ; i < length; i++ ) {
    363                     value = callback.apply( obj[ i ], args );
    364
    365                     if ( value === false ) {
    366                         break;
    367                     }
    368                 }
    369             } else {
    370                 for ( i in obj ) {
    371                     value = callback.apply( obj[ i ], args );
    372
    373                     if ( value === false ) {
    374                         break;
    375                     }
    376                 }
    377             }
    378
    379         // A special, fast, case for the most common use of each
    380         } else {
    381             if ( isArray ) {
    382                 for ( ; i < length; i++ ) {
    383                     value = callback.call( obj[ i ], i, obj[ i ] );
    384
    385                     if ( value === false ) {
    386                         break;
    387                     }
    388                 }
    389             } else {
    390                 for ( i in obj ) {
    391                     value = callback.call( obj[ i ], i, obj[ i ] );
    392
    393                     if ( value === false ) {
    394                         break;
    395                     }
    396                 }
    397             }
    398         }
    399
    400         return obj;
    401     },
    402
    403     // Support: Android<4.1, IE<9
    404     trim: function( text ) {
    405         return text == null ?
    406             "" :
    407             ( text + "" ).replace( rtrim, "" );
    408     },
    409
    410     // results is for internal usage only
    411     makeArray: function( arr, results ) {
    412         var ret = results || [];
    413
    414         if ( arr != null ) {
    415             if ( isArraylike( Object(arr) ) ) {
    416                 jQuery.merge( ret,
    417                     typeof arr === "string" ?
    418                     [ arr ] : arr
    419                 );
    420             } else {
    421                 push.call( ret, arr );
    422             }
    423         }
    424
    425         return ret;
    426     },
    427
    428     inArray: function( elem, arr, i ) {
    429         var len;
    430
    431         if ( arr ) {
    432             if ( indexOf ) {
    433                 return indexOf.call( arr, elem, i );
    434             }
    435
    436             len = arr.length;
    437             i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
    438
    439             for ( ; i < len; i++ ) {
    440                 // Skip accessing in sparse arrays
    441                 if ( i in arr && arr[ i ] === elem ) {
    442                     return i;
    443                 }
    444             }
    445         }
    446
    447         return -1;
    448     },
    449
    450     merge: function( first, second ) {
    451         var len = +second.length,
    452             j = 0,
    453             i = first.length;
    454
    455         while ( j < len ) {
    456             first[ i++ ] = second[ j++ ];
    457         }
    458
    459         // Support: IE<9
    460         // Workaround casting of .length to NaN on otherwise arraylike objects (e.g., NodeLists)
    461         if ( len !== len ) {
    462             while ( second[j] !== undefined ) {
    463                 first[ i++ ] = second[ j++ ];
    464             }
    465         }
    466
    467         first.length = i;
    468
    469         return first;
    470     },
    471
    472     grep: function( elems, callback, invert ) {
    473         var callbackInverse,
    474             matches = [],
    475             i = 0,
    476             length = elems.length,
    477             callbackExpect = !invert;
    478
    479         // Go through the array, only saving the items
    480         // that pass the validator function
    481         for ( ; i < length; i++ ) {
    482             callbackInverse = !callback( elems[ i ], i );
    483             if ( callbackInverse !== callbackExpect ) {
    484                 matches.push( elems[ i ] );
    485             }
    486         }
    487
    488         return matches;
    489     },
    490
    491     // arg is for internal usage only
    492     map: function( elems, callback, arg ) {
    493         var value,
    494             i = 0,
    495             length = elems.length,
    496             isArray = isArraylike( elems ),
    497             ret = [];
    498
    499         // Go through the array, translating each of the items to their new values
    500         if ( isArray ) {
    501             for ( ; i < length; i++ ) {
    502                 value = callback( elems[ i ], i, arg );
    503
    504                 if ( value != null ) {
    505                     ret.push( value );
    506                 }
    507             }
    508
    509         // Go through every key on the object,
    510         } else {
    511             for ( i in elems ) {
    512                 value = callback( elems[ i ], i, arg );
    513
    514                 if ( value != null ) {
    515                     ret.push( value );
    516                 }
    517             }
    518         }
    519
    520         // Flatten any nested arrays
    521         return concat.apply( [], ret );
    522     },
    523
    524     // A global GUID counter for objects
    525     guid: 1,
    526
    527     // Bind a function to a context, optionally partially applying any
    528     // arguments.
    529     proxy: function( fn, context ) {
    530         var args, proxy, tmp;
    531
    532         if ( typeof context === "string" ) {
    533             tmp = fn[ context ];
    534             context = fn;
    535             fn = tmp;
    536         }
    537
    538         // Quick check to determine if target is callable, in the spec
    539         // this throws a TypeError, but we will just return undefined.
    540         if ( !jQuery.isFunction( fn ) ) {
    541             return undefined;
    542         }
    543
    544         // Simulated bind
    545         args = slice.call( arguments, 2 );
    546         proxy = function() {
    547             return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
    548         };
    549
    550         // Set the guid of unique handler to the same of original handler, so it can be removed
    551         proxy.guid = fn.guid = fn.guid || jQuery.guid++;
    552
    553         return proxy;
    554     },
    555
    556     now: function() {
    557         return +( new Date() );
    558     },
    559
    560     // jQuery.support is not used in Core but other projects attach their
    561     // properties to it so it needs to exist.
    562     support: support
    563 });
    564
    565 // Populate the class2type map
    566 jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
    567     class2type[ "[object " + name + "]" ] = name.toLowerCase();
    568 });
    569
    570 function isArraylike( obj ) {
    571     var length = obj.length,
    572         type = jQuery.type( obj );
    573
    574     if ( type === "function" || jQuery.isWindow( obj ) ) {
    575         return false;
    576     }
    577
    578     if ( obj.nodeType === 1 && length ) {
    579         return true;
    580     }
    581
    582     return type === "array" || length === 0 ||
    583         typeof length === "number" && length > 0 && ( length - 1 ) in obj;
    584 }
    585 var Sizzle =
    586 /*!
    587  * Sizzle CSS Selector Engine v1.10.19
    588  * http://sizzlejs.com/
    589  *
    590  * Copyright 2013 jQuery Foundation, Inc. and other contributors
    591  * Released under the MIT license
    592  * http://jquery.org/license
    593  *
    594  * Date: 2014-04-18
    595  */
    596 (function( window ) {
    597
    598 var i,
    599     support,
    600     Expr,
    601     getText,
    602     isXML,
    603     tokenize,
    604     compile,
    605     select,
    606     outermostContext,
    607     sortInput,
    608     hasDuplicate,
    609
    610     // Local document vars
    611     setDocument,
    612     document,
    613     docElem,
    614     documentIsHTML,
    615     rbuggyQSA,
    616     rbuggyMatches,
    617     matches,
    618     contains,
    619
    620     // Instance-specific data
    621     expando = "sizzle" + -(new Date()),
    622     preferredDoc = window.document,
    623     dirruns = 0,
    624     done = 0,
    625     classCache = createCache(),
    626     tokenCache = createCache(),
    627     compilerCache = createCache(),
    628     sortOrder = function( a, b ) {
    629         if ( a === b ) {
    630             hasDuplicate = true;
    631         }
    632         return 0;
    633     },
    634
    635     // General-purpose constants
    636     strundefined = typeof undefined,
    637     MAX_NEGATIVE = 1 << 31,
    638
    639     // Instance methods
    640     hasOwn = ({}).hasOwnProperty,
    641     arr = [],
    642     pop = arr.pop,
    643     push_native = arr.push,
    644     push = arr.push,
    645     slice = arr.slice,
    646     // Use a stripped-down indexOf if we can't use a native one
    647     indexOf = arr.indexOf || function( elem ) {
    648         var i = 0,
    649             len = this.length;
    650         for ( ; i < len; i++ ) {
    651             if ( this[i] === elem ) {
    652                 return i;
    653             }
    654         }
    655         return -1;
    656     },
    657
    658     booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
    659
    660     // Regular expressions
    661
    662     // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
    663     whitespace = "[\\x20\\t\\r\\n\\f]",
    664     // http://www.w3.org/TR/css3-syntax/#characters
    665     characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
    666
    667     // Loosely modeled on CSS identifier characters
    668     // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
    669     // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
    670     identifier = characterEncoding.replace( "w", "w#" ),
    671
    672     // Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
    673     attributes = "\\[" + whitespace + "*(" + characterEncoding + ")(?:" + whitespace +
    674         // Operator (capture 2)
    675         "*([*^$|!~]?=)" + whitespace +
    676         // "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
    677         "*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
    678         "*\\]",
    679
    680     pseudos = ":(" + characterEncoding + ")(?:\\((" +
    681         // To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
    682         // 1. quoted (capture 3; capture 4 or capture 5)
    683         "('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
    684         // 2. simple (capture 6)
    685         "((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
    686         // 3. anything else (capture 2)
    687         ".*" +
    688         ")\\)|)",
    689
    690     // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
    691     rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
    692
    693     rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
    694     rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
    695
    696     rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
    697
    698     rpseudo = new RegExp( pseudos ),
    699     ridentifier = new RegExp( "^" + identifier + "$" ),
    700
    701     matchExpr = {
    702         "ID": new RegExp( "^#(" + characterEncoding + ")" ),
    703         "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
    704         "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
    705         "ATTR": new RegExp( "^" + attributes ),
    706         "PSEUDO": new RegExp( "^" + pseudos ),
    707         "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
    708             "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
    709             "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
    710         "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
    711         // For use in libraries implementing .is()
    712         // We use this for POS matching in `select`
    713         "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
    714             whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
    715     },
    716
    717     rinputs = /^(?:input|select|textarea|button)$/i,
    718     rheader = /^h\d$/i,
    719
    720     rnative = /^[^{]+\{\s*\[native \w/,
    721
    722     // Easily-parseable/retrievable ID or TAG or CLASS selectors
    723     rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
    724
    725     rsibling = /[+~]/,
    726     rescape = /'|\\/g,
    727
    728     // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
    729     runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
    730     funescape = function( _, escaped, escapedWhitespace ) {
    731         var high = "0x" + escaped - 0x10000;
    732         // NaN means non-codepoint
    733         // Support: Firefox<24
    734         // Workaround erroneous numeric interpretation of +"0x"
    735         return high !== high || escapedWhitespace ?
    736             escaped :
    737             high < 0 ?
    738                 // BMP codepoint
    739                 String.fromCharCode( high + 0x10000 ) :
    740                 // Supplemental Plane codepoint (surrogate pair)
    741                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
    742     };
    743
    744 // Optimize for push.apply( _, NodeList )
    745 try {
    746     push.apply(
    747         (arr = slice.call( preferredDoc.childNodes )),
    748         preferredDoc.childNodes
    749     );
    750     // Support: Android<4.0
    751     // Detect silently failing push.apply
    752     arr[ preferredDoc.childNodes.length ].nodeType;
    753 } catch ( e ) {
    754     push = { apply: arr.length ?
    755
    756         // Leverage slice if possible
    757         function( target, els ) {
    758             push_native.apply( target, slice.call(els) );
    759         } :
    760
    761         // Support: IE<9
    762         // Otherwise append directly
    763         function( target, els ) {
    764             var j = target.length,
    765                 i = 0;
    766             // Can't trust NodeList.length
    767             while ( (target[j++] = els[i++]) ) {}
    768             target.length = j - 1;
    769         }
    770     };
    771 }
    772
    773 function Sizzle( selector, context, results, seed ) {
    774     var match, elem, m, nodeType,
    775         // QSA vars
    776         i, groups, old, nid, newContext, newSelector;
    777
    778     if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
    779         setDocument( context );
    780     }
    781
    782     context = context || document;
    783     results = results || [];
    784
    785     if ( !selector || typeof selector !== "string" ) {
    786         return results;
    787     }
    788
    789     if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
    790         return [];
    791     }
    792
    793     if ( documentIsHTML && !seed ) {
    794
    795         // Shortcuts
    796         if ( (match = rquickExpr.exec( selector )) ) {
    797             // Speed-up: Sizzle("#ID")
    798             if ( (m = match[1]) ) {
    799                 if ( nodeType === 9 ) {
    800                     elem = context.getElementById( m );
    801                     // Check parentNode to catch when Blackberry 4.6 returns
    802                     // nodes that are no longer in the document (jQuery #6963)
    803                     if ( elem && elem.parentNode ) {
    804                         // Handle the case where IE, Opera, and Webkit return items
    805                         // by name instead of ID
    806                         if ( elem.id === m ) {
    807                             results.push( elem );
    808                             return results;
    809                         }
    810                     } else {
    811                         return results;
    812                     }
    813                 } else {
    814                     // Context is not a document
    815                     if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
    816                         contains( context, elem ) && elem.id === m ) {
    817                         results.push( elem );
    818                         return results;
    819                     }
    820                 }
    821
    822             // Speed-up: Sizzle("TAG")
    823             } else if ( match[2] ) {
    824                 push.apply( results, context.getElementsByTagName( selector ) );
    825                 return results;
    826
    827             // Speed-up: Sizzle(".CLASS")
    828             } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
    829                 push.apply( results, context.getElementsByClassName( m ) );
    830                 return results;
    831             }
    832         }
    833
    834         // QSA path
    835         if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
    836             nid = old = expando;
    837             newContext = context;
    838             newSelector = nodeType === 9 && selector;
    839
    840             // qSA works strangely on Element-rooted queries
    841             // We can work around this by specifying an extra ID on the root
    842             // and working up from there (Thanks to Andrew Dupont for the technique)
    843             // IE 8 doesn't work on object elements
    844             if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
    845                 groups = tokenize( selector );
    846
    847                 if ( (old = context.getAttribute("id")) ) {
    848                     nid = old.replace( rescape, "\\$&" );
    849                 } else {
    850                     context.setAttribute( "id", nid );
    851                 }
    852                 nid = "[id='" + nid + "'] ";
    853
    854                 i = groups.length;
    855                 while ( i-- ) {
    856                     groups[i] = nid + toSelector( groups[i] );
    857                 }
    858                 newContext = rsibling.test( selector ) && testContext( context.parentNode ) || context;
    859                 newSelector = groups.join(",");
    860             }
    861
    862             if ( newSelector ) {
    863                 try {
    864                     push.apply( results,
    865                         newContext.querySelectorAll( newSelector )
    866                     );
    867                     return results;
    868                 } catch(qsaError) {
    869                 } finally {
    870                     if ( !old ) {
    871                         context.removeAttribute("id");
    872                     }
    873                 }
    874             }
    875         }
    876     }
    877
    878     // All others
    879     return select( selector.replace( rtrim, "$1" ), context, results, seed );
    880 }
    881
    882 /**
    883  * Create key-value caches of limited size
    884  * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
    885  *  property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
    886  *  deleting the oldest entry
    887  */
    888 function createCache() {
    889     var keys = [];
    890
    891     function cache( key, value ) {
    892         // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
    893         if ( keys.push( key + " " ) > Expr.cacheLength ) {
    894             // Only keep the most recent entries
    895             delete cache[ keys.shift() ];
    896         }
    897         return (cache[ key + " " ] = value);
    898     }
    899     return cache;
    900 }
    901
    902 /**
    903  * Mark a function for special use by Sizzle
    904  * @param {Function} fn The function to mark
    905  */
    906 function markFunction( fn ) {
    907     fn[ expando ] = true;
    908     return fn;
    909 }
    910
    911 /**
    912  * Support testing using an element
    913  * @param {Function} fn Passed the created div and expects a boolean result
    914  */
    915 function assert( fn ) {
    916     var div = document.createElement("div");
    917
    918     try {
    919         return !!fn( div );
    920     } catch (e) {
    921         return false;
    922     } finally {
    923         // Remove from its parent by default
    924         if ( div.parentNode ) {
    925             div.parentNode.removeChild( div );
    926         }
    927         // release memory in IE
    928         div = null;
    929     }
    930 }
    931
    932 /**
    933  * Adds the same handler for all of the specified attrs
    934  * @param {String} attrs Pipe-separated list of attributes
    935  * @param {Function} handler The method that will be applied
    936  */
    937 function addHandle( attrs, handler ) {
    938     var arr = attrs.split("|"),
    939         i = attrs.length;
    940
    941     while ( i-- ) {
    942         Expr.attrHandle[ arr[i] ] = handler;
    943     }
    944 }
    945
    946 /**
    947  * Checks document order of two siblings
    948  * @param {Element} a
    949  * @param {Element} b
    950  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
    951  */
    952 function siblingCheck( a, b ) {
    953     var cur = b && a,
    954         diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
    955             ( ~b.sourceIndex || MAX_NEGATIVE ) -
    956             ( ~a.sourceIndex || MAX_NEGATIVE );
    957
    958     // Use IE sourceIndex if available on both nodes
    959     if ( diff ) {
    960         return diff;
    961     }
    962
    963     // Check if b follows a
    964     if ( cur ) {
    965         while ( (cur = cur.nextSibling) ) {
    966             if ( cur === b ) {
    967                 return -1;
    968             }
    969         }
    970     }
    971
    972     return a ? 1 : -1;
    973 }
    974
    975 /**
    976  * Returns a function to use in pseudos for input types
    977  * @param {String} type
    978  */
    979 function createInputPseudo( type ) {
    980     return function( elem ) {
    981         var name = elem.nodeName.toLowerCase();
    982         return name === "input" && elem.type === type;
    983     };
    984 }
    985
    986 /**
    987  * Returns a function to use in pseudos for buttons
    988  * @param {String} type
    989  */
    990 function createButtonPseudo( type ) {
    991     return function( elem ) {
    992         var name = elem.nodeName.toLowerCase();
    993         return (name === "input" || name === "button") && elem.type === type;
    994     };
    995 }
    996
    997 /**
    998  * Returns a function to use in pseudos for positionals
    999  * @param {Function} fn
    1000  */
    1001 function createPositionalPseudo( fn ) {
    1002     return markFunction(function( argument ) {
    1003         argument = +argument;
    1004         return markFunction(function( seed, matches ) {
    1005             var j,
    1006                 matchIndexes = fn( [], seed.length, argument ),
    1007                 i = matchIndexes.length;
    1008
    1009             // Match elements found at the specified indexes
    1010             while ( i-- ) {
    1011                 if ( seed[ (j = matchIndexes[i]) ] ) {
    1012                     seed[j] = !(matches[j] = seed[j]);
    1013                 }
    1014             }
    1015         });
    1016     });
    1017 }
    1018
    1019 /**
    1020  * Checks a node for validity as a Sizzle context
    1021  * @param {Element|Object=} context
    1022  * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
    1023  */
    1024 function testContext( context ) {
    1025     return context && typeof context.getElementsByTagName !== strundefined && context;
    1026 }
    1027
    1028 // Expose support vars for convenience
    1029 support = Sizzle.support = {};
    1030
    1031 /**
    1032  * Detects XML nodes
    1033  * @param {Element|Object} elem An element or a document
    1034  * @returns {Boolean} True iff elem is a non-HTML XML node
    1035  */
    1036 isXML = Sizzle.isXML = function( elem ) {
    1037     // documentElement is verified for cases where it doesn't yet exist
    1038     // (such as loading iframes in IE - #4833)
    1039     var documentElement = elem && (elem.ownerDocument || elem).documentElement;
    1040     return documentElement ? documentElement.nodeName !== "HTML" : false;
    1041 };
    1042
    1043 /**
    1044  * Sets document-related variables once based on the current document
    1045  * @param {Element|Object} [doc] An element or document object to use to set the document
    1046  * @returns {Object} Returns the current document
    1047  */
    1048 setDocument = Sizzle.setDocument = function( node ) {
    1049     var hasCompare,
    1050         doc = node ? node.ownerDocument || node : preferredDoc,
    1051         parent = doc.defaultView;
    1052
    1053     // If no document and documentElement is available, return
    1054     if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
    1055         return document;
    1056     }
    1057
    1058     // Set our document
    1059     document = doc;
    1060     docElem = doc.documentElement;
    1061
    1062     // Support tests
    1063     documentIsHTML = !isXML( doc );
    1064
    1065     // Support: IE>8
    1066     // If iframe document is assigned to "document" variable and if iframe has been reloaded,
    1067     // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
    1068     // IE6-8 do not support the defaultView property so parent will be undefined
    1069     if ( parent && parent !== parent.top ) {
    1070         // IE11 does not have attachEvent, so all must suffer
    1071         if ( parent.addEventListener ) {
    1072             parent.addEventListener( "unload", function() {
    1073                 setDocument();
    1074             }, false );
    1075         } else if ( parent.attachEvent ) {
    1076             parent.attachEvent( "onunload", function() {
    1077                 setDocument();
    1078             });
    1079         }
    1080     }
    1081
    1082     /* Attributes
    1083     ---------------------------------------------------------------------- */
    1084
    1085     // Support: IE<8
    1086     // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)
    1087     support.attributes = assert(function( div ) {
    1088         div.className = "i";
    1089         return !div.getAttribute("className");
    1090     });
    1091
    1092     /* getElement(s)By*
    1093     ---------------------------------------------------------------------- */
    1094
    1095     // Check if getElementsByTagName("*") returns only elements
    1096     support.getElementsByTagName = assert(function( div ) {
    1097         div.appendChild( doc.createComment("") );
    1098         return !div.getElementsByTagName("*").length;
    1099     });
    1100
    1101     // Check if getElementsByClassName can be trusted
    1102     support.getElementsByClassName = rnative.test( doc.getElementsByClassName ) && assert(function( div ) {
    1103         div.innerHTML = "<div class='a'></div><div class='a i'></div>";
    1104
    1105         // Support: Safari<4
    1106         // Catch class over-caching
    1107         div.firstChild.className = "i";
    1108         // Support: Opera<10
    1109         // Catch gEBCN failure to find non-leading classes
    1110         return div.getElementsByClassName("i").length === 2;
    1111     });
    1112
    1113     // Support: IE<10
    1114     // Check if getElementById returns elements by name
    1115     // The broken getElementById methods don't pick up programatically-set names,
    1116     // so use a roundabout getElementsByName test
    1117     support.getById = assert(function( div ) {
    1118         docElem.appendChild( div ).id = expando;
    1119         return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
    1120     });
    1121
    1122     // ID find and filter
    1123     if ( support.getById ) {
    1124         Expr.find["ID"] = function( id, context ) {
    1125             if ( typeof context.getElementById !== strundefined && documentIsHTML ) {
    1126                 var m = context.getElementById( id );
    1127                 // Check parentNode to catch when Blackberry 4.6 returns
    1128                 // nodes that are no longer in the document #6963
    1129                 return m && m.parentNode ? [ m ] : [];
    1130             }
    1131         };
    1132         Expr.filter["ID"] = function( id ) {
    1133             var attrId = id.replace( runescape, funescape );
    1134             return function( elem ) {
    1135                 return elem.getAttribute("id") === attrId;
    1136             };
    1137         };
    1138     } else {
    1139         // Support: IE6/7
    1140         // getElementById is not reliable as a find shortcut
    1141         delete Expr.find["ID"];
    1142
    1143         Expr.filter["ID"] =  function( id ) {
    1144             var attrId = id.replace( runescape, funescape );
    1145             return function( elem ) {
    1146                 var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
    1147                 return node && node.value === attrId;
    1148             };
    1149         };
    1150     }
    1151
    1152     // Tag
    1153     Expr.find["TAG"] = support.getElementsByTagName ?
    1154         function( tag, context ) {
    1155             if ( typeof context.getElementsByTagName !== strundefined ) {
    1156                 return context.getElementsByTagName( tag );
    1157             }
    1158         } :
    1159         function( tag, context ) {
    1160             var elem,
    1161                 tmp = [],
    1162                 i = 0,
    1163                 results = context.getElementsByTagName( tag );
    1164
    1165             // Filter out possible comments
    1166             if ( tag === "*" ) {
    1167                 while ( (elem = results[i++]) ) {
    1168                     if ( elem.nodeType === 1 ) {
    1169                         tmp.push( elem );
    1170                     }
    1171                 }
    1172
    1173                 return tmp;
    1174             }
    1175             return results;
    1176         };
    1177
    1178     // Class
    1179     Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
    1180         if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) {
    1181             return context.getElementsByClassName( className );
    1182         }
    1183     };
    1184
    1185     /* QSA/matchesSelector
    1186     ---------------------------------------------------------------------- */
    1187
    1188     // QSA and matchesSelector support
    1189
    1190     // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
    1191     rbuggyMatches = [];
    1192
    1193     // qSa(:focus) reports false when true (Chrome 21)
    1194     // We allow this because of a bug in IE8/9 that throws an error
    1195     // whenever `document.activeElement` is accessed on an iframe
    1196     // So, we allow :focus to pass through QSA all the time to avoid the IE error
    1197     // See http://bugs.jquery.com/ticket/13378
    1198     rbuggyQSA = [];
    1199
    1200     if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
    1201         // Build QSA regex
    1202         // Regex strategy adopted from Diego Perini
    1203         assert(function( div ) {
    1204             // Select is set to empty string on purpose
    1205             // This is to test IE's treatment of not explicitly
    1206             // setting a boolean content attribute,
    1207             // since its presence should be enough
    1208             // http://bugs.jquery.com/ticket/12359
    1209             div.innerHTML = "<select msallowclip=''><option selected=''></option></select>";
    1210
    1211             // Support: IE8, Opera 11-12.16
    1212             // Nothing should be selected when empty strings follow ^= or $= or *=
    1213             // The test attribute must be unknown in Opera but "safe" for WinRT
    1214             // http://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
    1215             if ( div.querySelectorAll("[msallowclip^='']").length ) {
    1216                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
    1217             }
    1218
    1219             // Support: IE8
    1220             // Boolean attributes and "value" are not treated correctly
    1221             if ( !div.querySelectorAll("[selected]").length ) {
    1222                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
    1223             }
    1224
    1225             // Webkit/Opera - :checked should return selected option elements
    1226             // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
    1227             // IE8 throws error here and will not see later tests
    1228             if ( !div.querySelectorAll(":checked").length ) {
    1229                 rbuggyQSA.push(":checked");
    1230             }
    1231         });
    1232
    1233         assert(function( div ) {
    1234             // Support: Windows 8 Native Apps
    1235             // The type and name attributes are restricted during .innerHTML assignment
    1236             var input = doc.createElement("input");
    1237             input.setAttribute( "type", "hidden" );
    1238             div.appendChild( input ).setAttribute( "name", "D" );
    1239
    1240             // Support: IE8
    1241             // Enforce case-sensitivity of name attribute
    1242             if ( div.querySelectorAll("[name=d]").length ) {
    1243                 rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
    1244             }
    1245
    1246             // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
    1247             // IE8 throws error here and will not see later tests
    1248             if ( !div.querySelectorAll(":enabled").length ) {
    1249                 rbuggyQSA.push( ":enabled", ":disabled" );
    1250             }
    1251
    1252             // Opera 10-11 does not throw on post-comma invalid pseudos
    1253             div.querySelectorAll("*,:x");
    1254             rbuggyQSA.push(",.*:");
    1255         });
    1256     }
    1257
    1258     if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
    1259         docElem.webkitMatchesSelector ||
    1260         docElem.mozMatchesSelector ||
    1261         docElem.oMatchesSelector ||
    1262         docElem.msMatchesSelector) )) ) {
    1263
    1264         assert(function( div ) {
    1265             // Check to see if it's possible to do matchesSelector
    1266             // on a disconnected node (IE 9)
    1267             support.disconnectedMatch = matches.call( div, "div" );
    1268
    1269             // This should fail with an exception
    1270             // Gecko does not error, returns false instead
    1271             matches.call( div, "[s!='']:x" );
    1272             rbuggyMatches.push( "!=", pseudos );
    1273         });
    1274     }
    1275
    1276     rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
    1277     rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
    1278
    1279     /* Contains
    1280     ---------------------------------------------------------------------- */
    1281     hasCompare = rnative.test( docElem.compareDocumentPosition );
    1282
    1283     // Element contains another
    1284     // Purposefully does not implement inclusive descendent
    1285     // As in, an element does not contain itself
    1286     contains = hasCompare || rnative.test( docElem.contains ) ?
    1287         function( a, b ) {
    1288             var adown = a.nodeType === 9 ? a.documentElement : a,
    1289                 bup = b && b.parentNode;
    1290             return a === bup || !!( bup && bup.nodeType === 1 && (
    1291                 adown.contains ?
    1292                     adown.contains( bup ) :
    1293                     a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
    1294             ));
    1295         } :
    1296         function( a, b ) {
    1297             if ( b ) {
    1298                 while ( (b = b.parentNode) ) {
    1299                     if ( b === a ) {
    1300                         return true;
    1301                     }
    1302                 }
    1303             }
    1304             return false;
    1305         };
    1306
    1307     /* Sorting
    1308     ---------------------------------------------------------------------- */
    1309
    1310     // Document order sorting
    1311     sortOrder = hasCompare ?
    1312     function( a, b ) {
    1313
    1314         // Flag for duplicate removal
    1315         if ( a === b ) {
    1316             hasDuplicate = true;
    1317             return 0;
    1318         }
    1319
    1320         // Sort on method existence if only one input has compareDocumentPosition
    1321         var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
    1322         if ( compare ) {
    1323             return compare;
    1324         }
    1325
    1326         // Calculate position if both inputs belong to the same document
    1327         compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
    1328             a.compareDocumentPosition( b ) :
    1329
    1330             // Otherwise we know they are disconnected
    1331             1;
    1332
    1333         // Disconnected nodes
    1334         if ( compare & 1 ||
    1335             (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
    1336
    1337             // Choose the first element that is related to our preferred document
    1338             if ( a === doc || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
    1339                 return -1;
    1340             }
    1341             if ( b === doc || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
    1342                 return 1;
    1343             }
    1344
    1345             // Maintain original order
    1346             return sortInput ?
    1347                 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
    1348                 0;
    1349         }
    1350
    1351         return compare & 4 ? -1 : 1;
    1352     } :
    1353     function( a, b ) {
    1354         // Exit early if the nodes are identical
    1355         if ( a === b ) {
    1356             hasDuplicate = true;
    1357             return 0;
    1358         }
    1359
    1360         var cur,
    1361             i = 0,
    1362             aup = a.parentNode,
    1363             bup = b.parentNode,
    1364             ap = [ a ],
    1365             bp = [ b ];
    1366
    1367         // Parentless nodes are either documents or disconnected
    1368         if ( !aup || !bup ) {
    1369             return a === doc ? -1 :
    1370                 b === doc ? 1 :
    1371                 aup ? -1 :
    1372                 bup ? 1 :
    1373                 sortInput ?
    1374                 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
    1375                 0;
    1376
    1377         // If the nodes are siblings, we can do a quick check
    1378         } else if ( aup === bup ) {
    1379             return siblingCheck( a, b );
    1380         }
    1381
    1382         // Otherwise we need full lists of their ancestors for comparison
    1383         cur = a;
    1384         while ( (cur = cur.parentNode) ) {
    1385             ap.unshift( cur );
    1386         }
    1387         cur = b;
    1388         while ( (cur = cur.parentNode) ) {
    1389             bp.unshift( cur );
    1390         }
    1391
    1392         // Walk down the tree looking for a discrepancy
    1393         while ( ap[i] === bp[i] ) {
    1394             i++;
    1395         }
    1396
    1397         return i ?
    1398             // Do a sibling check if the nodes have a common ancestor
    1399             siblingCheck( ap[i], bp[i] ) :
    1400
    1401             // Otherwise nodes in our document sort first
    1402             ap[i] === preferredDoc ? -1 :
    1403             bp[i] === preferredDoc ? 1 :
    1404             0;
    1405     };
    1406
    1407     return doc;
    1408 };
    1409
    1410 Sizzle.matches = function( expr, elements ) {
    1411     return Sizzle( expr, null, null, elements );
    1412 };
    1413
    1414 Sizzle.matchesSelector = function( elem, expr ) {
    1415     // Set document vars if needed
    1416     if ( ( elem.ownerDocument || elem ) !== document ) {
    1417         setDocument( elem );
    1418     }
    1419
    1420     // Make sure that attribute selectors are quoted
    1421     expr = expr.replace( rattributeQuotes, "='$1']" );
    1422
    1423     if ( support.matchesSelector && documentIsHTML &&
    1424         ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
    1425         ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
    1426
    1427         try {
    1428             var ret = matches.call( elem, expr );
    1429
    1430             // IE 9's matchesSelector returns false on disconnected nodes
    1431             if ( ret || support.disconnectedMatch ||
    1432                     // As well, disconnected nodes are said to be in a document
    1433                     // fragment in IE 9
    1434                     elem.document && elem.document.nodeType !== 11 ) {
    1435                 return ret;
    1436             }
    1437         } catch(e) {}
    1438     }
    1439
    1440     return Sizzle( expr, document, null, [ elem ] ).length > 0;
    1441 };
    1442
    1443 Sizzle.contains = function( context, elem ) {
    1444     // Set document vars if needed
    1445     if ( ( context.ownerDocument || context ) !== document ) {
    1446         setDocument( context );
    1447     }
    1448     return contains( context, elem );
    1449 };
    1450
    1451 Sizzle.attr = function( elem, name ) {
    1452     // Set document vars if needed
    1453     if ( ( elem.ownerDocument || elem ) !== document ) {
    1454         setDocument( elem );
    1455     }
    1456
    1457     var fn = Expr.attrHandle[ name.toLowerCase() ],
    1458         // Don't get fooled by Object.prototype properties (jQuery #13807)
    1459         val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
    1460             fn( elem, name, !documentIsHTML ) :
    1461             undefined;
    1462
    1463     return val !== undefined ?
    1464         val :
    1465         support.attributes || !documentIsHTML ?
    1466             elem.getAttribute( name ) :
    1467             (val = elem.getAttributeNode(name)) && val.specified ?
    1468                 val.value :
    1469                 null;
    1470 };
    1471
    1472 Sizzle.error = function( msg ) {
    1473     throw new Error( "Syntax error, unrecognized expression: " + msg );
    1474 };
    1475
    1476 /**
    1477  * Document sorting and removing duplicates
    1478  * @param {ArrayLike} results
    1479  */
    1480 Sizzle.uniqueSort = function( results ) {
    1481     var elem,
    1482         duplicates = [],
    1483         j = 0,
    1484         i = 0;
    1485
    1486     // Unless we *know* we can detect duplicates, assume their presence
    1487     hasDuplicate = !support.detectDuplicates;
    1488     sortInput = !support.sortStable && results.slice( 0 );
    1489     results.sort( sortOrder );
    1490
    1491     if ( hasDuplicate ) {
    1492         while ( (elem = results[i++]) ) {
    1493             if ( elem === results[ i ] ) {
    1494                 j = duplicates.push( i );
    1495             }
    1496         }
    1497         while ( j-- ) {
    1498             results.splice( duplicates[ j ], 1 );
    1499         }
    1500     }
    1501
    1502     // Clear input after sorting to release objects
    1503     // See https://github.com/jquery/sizzle/pull/225
    1504     sortInput = null;
    1505
    1506     return results;
    1507 };
    1508
    1509 /**
    1510  * Utility function for retrieving the text value of an array of DOM nodes
    1511  * @param {Array|Element} elem
    1512  */
    1513 getText = Sizzle.getText = function( elem ) {
    1514     var node,
    1515         ret = "",
    1516         i = 0,
    1517         nodeType = elem.nodeType;
    1518
    1519     if ( !nodeType ) {
    1520         // If no nodeType, this is expected to be an array
    1521         while ( (node = elem[i++]) ) {
    1522             // Do not traverse comment nodes
    1523             ret += getText( node );
    1524         }
    1525     } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
    1526         // Use textContent for elements
    1527         // innerText usage removed for consistency of new lines (jQuery #11153)
    1528         if ( typeof elem.textContent === "string" ) {
    1529             return elem.textContent;
    1530         } else {
    1531             // Traverse its children
    1532             for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
    1533                 ret += getText( elem );
    1534             }
    1535         }
    1536     } else if ( nodeType === 3 || nodeType === 4 ) {
    1537         return elem.nodeValue;
    1538     }
    1539     // Do not include comment or processing instruction nodes
    1540
    1541     return ret;
    1542 };
    1543
    1544 Expr = Sizzle.selectors = {
    1545
    1546     // Can be adjusted by the user
    1547     cacheLength: 50,
    1548
    1549     createPseudo: markFunction,
    1550
    1551     match: matchExpr,
    1552
    1553     attrHandle: {},
    1554
    1555     find: {},
    1556
    1557     relative: {
    1558         ">": { dir: "parentNode", first: true },
    1559         " ": { dir: "parentNode" },
    1560         "+": { dir: "previousSibling", first: true },
    1561         "~": { dir: "previousSibling" }
    1562     },
    1563
    1564     preFilter: {
    1565         "ATTR": function( match ) {
    1566             match[1] = match[1].replace( runescape, funescape );
    1567
    1568             // Move the given value to match[3] whether quoted or unquoted
    1569             match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
    1570
    1571             if ( match[2] === "~=" ) {
    1572                 match[3] = " " + match[3] + " ";
    1573             }
    1574
    1575             return match.slice( 0, 4 );
    1576         },
    1577
    1578         "CHILD": function( match ) {
    1579             /* matches from matchExpr["CHILD"]
    1580                 1 type (only|nth|...)
    1581                 2 what (child|of-type)
    1582                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
    1583                 4 xn-component of xn+y argument ([+-]?\d*n|)
    1584                 5 sign of xn-component
    1585                 6 x of xn-component
    1586                 7 sign of y-component
    1587                 8 y of y-component
    1588             */
    1589             match[1] = match[1].toLowerCase();
    1590
    1591             if ( match[1].slice( 0, 3 ) === "nth" ) {
    1592                 // nth-* requires argument
    1593                 if ( !match[3] ) {
    1594                     Sizzle.error( match[0] );
    1595                 }
    1596
    1597                 // numeric x and y parameters for Expr.filter.CHILD
    1598                 // remember that false/true cast respectively to 0/1
    1599                 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
    1600                 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
    1601
    1602             // other types prohibit arguments
    1603             } else if ( match[3] ) {
    1604                 Sizzle.error( match[0] );
    1605             }
    1606
    1607             return match;
    1608         },
    1609
    1610         "PSEUDO": function( match ) {
    1611             var excess,
    1612                 unquoted = !match[6] && match[2];
    1613
    1614             if ( matchExpr["CHILD"].test( match[0] ) ) {
    1615                 return null;
    1616             }
    1617
    1618             // Accept quoted arguments as-is
    1619             if ( match[3] ) {
    1620                 match[2] = match[4] || match[5] || "";
    1621
    1622             // Strip excess characters from unquoted arguments
    1623             } else if ( unquoted && rpseudo.test( unquoted ) &&
    1624                 // Get excess from tokenize (recursively)
    1625                 (excess = tokenize( unquoted, true )) &&
    1626                 // advance to the next closing parenthesis
    1627                 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
    1628
    1629                 // excess is a negative index
    1630                 match[0] = match[0].slice( 0, excess );
    1631                 match[2] = unquoted.slice( 0, excess );
    1632             }
    1633
    1634             // Return only captures needed by the pseudo filter method (type and argument)
    1635             return match.slice( 0, 3 );
    1636         }
    1637     },
    1638
    1639     filter: {
    1640
    1641         "TAG": function( nodeNameSelector ) {
    1642             var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
    1643             return nodeNameSelector === "*" ?
    1644                 function() { return true; } :
    1645                 function( elem ) {
    1646                     return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
    1647                 };
    1648         },
    1649
    1650         "CLASS": function( className ) {
    1651             var pattern = classCache[ className + " " ];
    1652
    1653             return pattern ||
    1654                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
    1655                 classCache( className, function( elem ) {
    1656                     return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" );
    1657                 });
    1658         },
    1659
    1660         "ATTR": function( name, operator, check ) {
    1661             return function( elem ) {
    1662                 var result = Sizzle.attr( elem, name );
    1663
    1664                 if ( result == null ) {
    1665                     return operator === "!=";
    1666                 }
    1667                 if ( !operator ) {
    1668                     return true;
    1669                 }
    1670
    1671                 result += "";
    1672
    1673                 return operator === "=" ? result === check :
    1674                     operator === "!=" ? result !== check :
    1675                     operator === "^=" ? check && result.indexOf( check ) === 0 :
    1676                     operator === "*=" ? check && result.indexOf( check ) > -1 :
    1677                     operator === "$=" ? check && result.slice( -check.length ) === check :
    1678                     operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
    1679                     operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
    1680                     false;
    1681             };
    1682         },
    1683
    1684         "CHILD": function( type, what, argument, first, last ) {
    1685             var simple = type.slice( 0, 3 ) !== "nth",
    1686                 forward = type.slice( -4 ) !== "last",
    1687                 ofType = what === "of-type";
    1688
    1689             return first === 1 && last === 0 ?
    1690
    1691                 // Shortcut for :nth-*(n)
    1692                 function( elem ) {
    1693                     return !!elem.parentNode;
    1694                 } :
    1695
    1696                 function( elem, context, xml ) {
    1697                     var cache, outerCache, node, diff, nodeIndex, start,
    1698                         dir = simple !== forward ? "nextSibling" : "previousSibling",
    1699                         parent = elem.parentNode,
    1700                         name = ofType && elem.nodeName.toLowerCase(),
    1701                         useCache = !xml && !ofType;
    1702
    1703                     if ( parent ) {
    1704
    1705                         // :(first|last|only)-(child|of-type)
    1706                         if ( simple ) {
    1707                             while ( dir ) {
    1708                                 node = elem;
    1709                                 while ( (node = node[ dir ]) ) {
    1710                                     if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
    1711                                         return false;
    1712                                     }
    1713                                 }
    1714                                 // Reverse direction for :only-* (if we haven't yet done so)
    1715                                 start = dir = type === "only" && !start && "nextSibling";
    1716                             }
    1717                             return true;
    1718                         }
    1719
    1720                         start = [ forward ? parent.firstChild : parent.lastChild ];
    1721
    1722                         // non-xml :nth-child(...) stores cache data on `parent`
    1723                         if ( forward && useCache ) {
    1724                             // Seek `elem` from a previously-cached index
    1725                             outerCache = parent[ expando ] || (parent[ expando ] = {});
    1726                             cache = outerCache[ type ] || [];
    1727                             nodeIndex = cache[0] === dirruns && cache[1];
    1728                             diff = cache[0] === dirruns && cache[2];
    1729                             node = nodeIndex && parent.childNodes[ nodeIndex ];
    1730
    1731                             while ( (node = ++nodeIndex && node && node[ dir ] ||
    1732
    1733                                 // Fallback to seeking `elem` from the start
    1734                                 (diff = nodeIndex = 0) || start.pop()) ) {
    1735
    1736                                 // When found, cache indexes on `parent` and break
    1737                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
    1738                                     outerCache[ type ] = [ dirruns, nodeIndex, diff ];
    1739                                     break;
    1740                                 }
    1741                             }
    1742
    1743                         // Use previously-cached element index if available
    1744                         } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
    1745                             diff = cache[1];
    1746
    1747                         // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
    1748                         } else {
    1749                             // Use the same loop as above to seek `elem` from the start
    1750                             while ( (node = ++nodeIndex && node && node[ dir ] ||
    1751                                 (diff = nodeIndex = 0) || start.pop()) ) {
    1752
    1753                                 if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
    1754                                     // Cache the index of each encountered element
    1755                                     if ( useCache ) {
    1756                                         (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
    1757                                     }
    1758
    1759                                     if ( node === elem ) {
    1760                                         break;
    1761                                     }
    1762                                 }
    1763                             }
    1764                         }
    1765
    1766                         // Incorporate the offset, then check against cycle size
    1767                         diff -= last;
    1768                         return diff === first || ( diff % first === 0 && diff / first >= 0 );
    1769                     }
    1770                 };
    1771         },
    1772
    1773         "PSEUDO": function( pseudo, argument ) {
    1774             // pseudo-class names are case-insensitive
    1775             // http://www.w3.org/TR/selectors/#pseudo-classes
    1776             // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
    1777             // Remember that setFilters inherits from pseudos
    1778             var args,
    1779                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
    1780                     Sizzle.error( "unsupported pseudo: " + pseudo );
    1781
    1782             // The user may use createPseudo to indicate that
    1783             // arguments are needed to create the filter function
    1784             // just as Sizzle does
    1785             if ( fn[ expando ] ) {
    1786                 return fn( argument );
    1787             }
    1788
    1789             // But maintain support for old signatures
    1790             if ( fn.length > 1 ) {
    1791                 args = [ pseudo, pseudo, "", argument ];
    1792                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
    1793                     markFunction(function( seed, matches ) {
    1794                         var idx,
    1795                             matched = fn( seed, argument ),
    1796                             i = matched.length;
    1797                         while ( i-- ) {
    1798                             idx = indexOf.call( seed, matched[i] );
    1799                             seed[ idx ] = !( matches[ idx ] = matched[i] );
    1800                         }
    1801                     }) :
    1802                     function( elem ) {
    1803                         return fn( elem, 0, args );
    1804                     };
    1805             }
    1806
    1807             return fn;
    1808         }
    1809     },
    1810
    1811     pseudos: {
    1812         // Potentially complex pseudos
    1813         "not": markFunction(function( selector ) {
    1814             // Trim the selector passed to compile
    1815             // to avoid treating leading and trailing
    1816             // spaces as combinators
    1817             var input = [],
    1818                 results = [],
    1819                 matcher = compile( selector.replace( rtrim, "$1" ) );
    1820
    1821             return matcher[ expando ] ?
    1822                 markFunction(function( seed, matches, context, xml ) {
    1823                     var elem,
    1824                         unmatched = matcher( seed, null, xml, [] ),
    1825                         i = seed.length;
    1826
    1827                     // Match elements unmatched by `matcher`
    1828                     while ( i-- ) {
    1829                         if ( (elem = unmatched[i]) ) {
    1830                             seed[i] = !(matches[i] = elem);
    1831                         }
    1832                     }
    1833                 }) :
    1834                 function( elem, context, xml ) {
    1835                     input[0] = elem;
    1836                     matcher( input, null, xml, results );
    1837                     return !results.pop();
    1838                 };
    1839         }),
    1840
    1841         "has": markFunction(function( selector ) {
    1842             return function( elem ) {
    1843                 return Sizzle( selector, elem ).length > 0;
    1844             };
    1845         }),
    1846
    1847         "contains": markFunction(function( text ) {
    1848             return function( elem ) {
    1849                 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
    1850             };
    1851         }),
    1852
    1853         // "Whether an element is represented by a :lang() selector
    1854         // is based solely on the element's language value
    1855         // being equal to the identifier C,
    1856         // or beginning with the identifier C immediately followed by "-".
    1857         // The matching of C against the element's language value is performed case-insensitively.
    1858         // The identifier C does not have to be a valid language name."
    1859         // http://www.w3.org/TR/selectors/#lang-pseudo
    1860         "lang": markFunction( function( lang ) {
    1861             // lang value must be a valid identifier
    1862             if ( !ridentifier.test(lang || "") ) {
    1863                 Sizzle.error( "unsupported lang: " + lang );
    1864             }
    1865             lang = lang.replace( runescape, funescape ).toLowerCase();
    1866             return function( elem ) {
    1867                 var elemLang;
    1868                 do {
    1869                     if ( (elemLang = documentIsHTML ?
    1870                         elem.lang :
    1871                         elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
    1872
    1873                         elemLang = elemLang.toLowerCase();
    1874                         return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
    1875                     }
    1876                 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
    1877                 return false;
    1878             };
    1879         }),
    1880
    1881         // Miscellaneous
    1882         "target": function( elem ) {
    1883             var hash = window.location && window.location.hash;
    1884             return hash && hash.slice( 1 ) === elem.id;
    1885         },
    1886
    1887         "root": function( elem ) {
    1888             return elem === docElem;
    1889         },
    1890
    1891         "focus": function( elem ) {
    1892             return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
    1893         },
    1894
    1895         // Boolean properties
    1896         "enabled": function( elem ) {
    1897             return elem.disabled === false;
    1898         },
    1899
    1900         "disabled": function( elem ) {
    1901             return elem.disabled === true;
    1902         },
    1903
    1904         "checked": function( elem ) {
    1905             // In CSS3, :checked should return both checked and selected elements
    1906             // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
    1907             var nodeName = elem.nodeName.toLowerCase();
    1908             return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
    1909         },
    1910
    1911         "selected": function( elem ) {
    1912             // Accessing this property makes selected-by-default
    1913             // options in Safari work properly
    1914             if ( elem.parentNode ) {
    1915                 elem.parentNode.selectedIndex;
    1916             }
    1917
    1918             return elem.selected === true;
    1919         },
    1920
    1921         // Contents
    1922         "empty": function( elem ) {
    1923             // http://www.w3.org/TR/selectors/#empty-pseudo
    1924             // :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
    1925             //   but not by others (comment: 8; processing instruction: 7; etc.)
    1926             // nodeType < 6 works because attributes (2) do not appear as children
    1927             for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
    1928                 if ( elem.nodeType < 6 ) {
    1929                     return false;
    1930                 }
    1931             }
    1932             return true;
    1933         },
    1934
    1935         "parent": function( elem ) {
    1936             return !Expr.pseudos["empty"]( elem );
    1937         },
    1938
    1939         // Element/input types
    1940         "header": function( elem ) {
    1941             return rheader.test( elem.nodeName );
    1942         },
    1943
    1944         "input": function( elem ) {
    1945             return rinputs.test( elem.nodeName );
    1946         },
    1947
    1948         "button": function( elem ) {
    1949             var name = elem.nodeName.toLowerCase();
    1950             return name === "input" && elem.type === "button" || name === "button";
    1951         },
    1952
    1953         "text": function( elem ) {
    1954             var attr;
    1955             return elem.nodeName.toLowerCase() === "input" &&
    1956                 elem.type === "text" &&
    1957
    1958                 // Support: IE<8
    1959                 // New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
    1960                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
    1961         },
    1962
    1963         // Position-in-collection
    1964         "first": createPositionalPseudo(function() {
    1965             return [ 0 ];
    1966         }),
    1967
    1968         "last": createPositionalPseudo(function( matchIndexes, length ) {
    1969             return [ length - 1 ];
    1970         }),
    1971
    1972         "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
    1973             return [ argument < 0 ? argument + length : argument ];
    1974         }),
    1975
    1976         "even": createPositionalPseudo(function( matchIndexes, length ) {
    1977             var i = 0;
    1978             for ( ; i < length; i += 2 ) {
    1979                 matchIndexes.push( i );
    1980             }
    1981             return matchIndexes;
    1982         }),
    1983
    1984         "odd": createPositionalPseudo(function( matchIndexes, length ) {
    1985             var i = 1;
    1986             for ( ; i < length; i += 2 ) {
    1987                 matchIndexes.push( i );
    1988             }
    1989             return matchIndexes;
    1990         }),
    1991
    1992         "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
    1993             var i = argument < 0 ? argument + length : argument;
    1994             for ( ; --i >= 0; ) {
    1995                 matchIndexes.push( i );
    1996             }
    1997             return matchIndexes;
    1998         }),
    1999
    2000         "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
    2001             var i = argument < 0 ? argument + length : argument;
    2002             for ( ; ++i < length; ) {
    2003                 matchIndexes.push( i );
    2004             }
    2005             return matchIndexes;
    2006         })
    2007     }
    2008 };
    2009
    2010 Expr.pseudos["nth"] = Expr.pseudos["eq"];
    2011
    2012 // Add button/input type pseudos
    2013 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
    2014     Expr.pseudos[ i ] = createInputPseudo( i );
    2015 }
    2016 for ( i in { submit: true, reset: true } ) {
    2017     Expr.pseudos[ i ] = createButtonPseudo( i );
    2018 }
    2019
    2020 // Easy API for creating new setFilters
    2021 function setFilters() {}
    2022 setFilters.prototype = Expr.filters = Expr.pseudos;
    2023 Expr.setFilters = new setFilters();
    2024
    2025 tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
    2026     var matched, match, tokens, type,
    2027         soFar, groups, preFilters,
    2028         cached = tokenCache[ selector + " " ];
    2029
    2030     if ( cached ) {
    2031         return parseOnly ? 0 : cached.slice( 0 );
    2032     }
    2033
    2034     soFar = selector;
    2035     groups = [];
    2036     preFilters = Expr.preFilter;
    2037
    2038     while ( soFar ) {
    2039
    2040         // Comma and first run
    2041         if ( !matched || (match = rcomma.exec( soFar )) ) {
    2042             if ( match ) {
    2043                 // Don't consume trailing commas as valid
    2044                 soFar = soFar.slice( match[0].length ) || soFar;
    2045             }
    2046             groups.push( (tokens = []) );
    2047         }
    2048
    2049         matched = false;
    2050
    2051         // Combinators
    2052         if ( (match = rcombinators.exec( soFar )) ) {
    2053             matched = match.shift();
    2054             tokens.push({
    2055                 value: matched,
    2056                 // Cast descendant combinators to space
    2057                 type: match[0].replace( rtrim, " " )
    2058             });
    2059             soFar = soFar.slice( matched.length );
    2060         }
    2061
    2062         // Filters
    2063         for ( type in Expr.filter ) {
    2064             if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
    2065                 (match = preFilters[ type ]( match ))) ) {
    2066                 matched = match.shift();
    2067                 tokens.push({
    2068                     value: matched,
    2069                     type: type,
    2070                     matches: match
    2071                 });
    2072                 soFar = soFar.slice( matched.length );
    2073             }
    2074         }
    2075
    2076         if ( !matched ) {
    2077             break;
    2078         }
    2079     }
    2080
    2081     // Return the length of the invalid excess
    2082     // if we're just parsing
    2083     // Otherwise, throw an error or return tokens
    2084     return parseOnly ?
    2085         soFar.length :
    2086         soFar ?
    2087             Sizzle.error( selector ) :
    2088             // Cache the tokens
    2089             tokenCache( selector, groups ).slice( 0 );
    2090 };
    2091
    2092 function toSelector( tokens ) {
    2093     var i = 0,
    2094         len = tokens.length,
    2095         selector = "";
    2096     for ( ; i < len; i++ ) {
    2097         selector += tokens[i].value;
    2098     }
    2099     return selector;
    2100 }
    2101
    2102 function addCombinator( matcher, combinator, base ) {
    2103     var dir = combinator.dir,
    2104         checkNonElements = base && dir === "parentNode",
    2105         doneName = done++;
    2106
    2107     return combinator.first ?
    2108         // Check against closest ancestor/preceding element
    2109         function( elem, context, xml ) {
    2110             while ( (elem = elem[ dir ]) ) {
    2111                 if ( elem.nodeType === 1 || checkNonElements ) {
    2112                     return matcher( elem, context, xml );
    2113                 }
    2114             }
    2115         } :
    2116
    2117         // Check against all ancestor/preceding elements
    2118         function( elem, context, xml ) {
    2119             var oldCache, outerCache,
    2120                 newCache = [ dirruns, doneName ];
    2121
    2122             // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
    2123             if ( xml ) {
    2124                 while ( (elem = elem[ dir ]) ) {
    2125                     if ( elem.nodeType === 1 || checkNonElements ) {
    2126                         if ( matcher( elem, context, xml ) ) {
    2127                             return true;
    2128                         }
    2129                     }
    2130                 }
    2131             } else {
    2132                 while ( (elem = elem[ dir ]) ) {
    2133                     if ( elem.nodeType === 1 || checkNonElements ) {
    2134                         outerCache = elem[ expando ] || (elem[ expando ] = {});
    2135                         if ( (oldCache = outerCache[ dir ]) &&
    2136                             oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
    2137
    2138                             // Assign to newCache so results back-propagate to previous elements
    2139                             return (newCache[ 2 ] = oldCache[ 2 ]);
    2140                         } else {
    2141                             // Reuse newcache so results back-propagate to previous elements
    2142                             outerCache[ dir ] = newCache;
    2143
    2144                             // A match means we're done; a fail means we have to keep checking
    2145                             if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
    2146                                 return true;
    2147                             }
    2148                         }
    2149                     }
    2150                 }
    2151             }
    2152         };
    2153 }
    2154
    2155 function elementMatcher( matchers ) {
    2156     return matchers.length > 1 ?
    2157         function( elem, context, xml ) {
    2158             var i = matchers.length;
    2159             while ( i-- ) {
    2160                 if ( !matchers[i]( elem, context, xml ) ) {
    2161                     return false;
    2162                 }
    2163             }
    2164             return true;
    2165         } :
    2166         matchers[0];
    2167 }
    2168
    2169 function multipleContexts( selector, contexts, results ) {
    2170     var i = 0,
    2171         len = contexts.length;
    2172     for ( ; i < len; i++ ) {
    2173         Sizzle( selector, contexts[i], results );
    2174     }
    2175     return results;
    2176 }
    2177
    2178 function condense( unmatched, map, filter, context, xml ) {
    2179     var elem,
    2180         newUnmatched = [],
    2181         i = 0,
    2182         len = unmatched.length,
    2183         mapped = map != null;
    2184
    2185     for ( ; i < len; i++ ) {
    2186         if ( (elem = unmatched[i]) ) {
    2187             if ( !filter || filter( elem, context, xml ) ) {
    2188                 newUnmatched.push( elem );
    2189                 if ( mapped ) {
    2190                     map.push( i );
    2191                 }
    2192             }
    2193         }
    2194     }
    2195
    2196     return newUnmatched;
    2197 }
    2198
    2199 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
    2200     if ( postFilter && !postFilter[ expando ] ) {
    2201         postFilter = setMatcher( postFilter );
    2202     }
    2203     if ( postFinder && !postFinder[ expando ] ) {
    2204         postFinder = setMatcher( postFinder, postSelector );
    2205     }
    2206     return markFunction(function( seed, results, context, xml ) {
    2207         var temp, i, elem,
    2208             preMap = [],
    2209             postMap = [],
    2210             preexisting = results.length,
    2211
    2212             // Get initial elements from seed or context
    2213             elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
    2214
    2215             // Prefilter to get matcher input, preserving a map for seed-results synchronization
    2216             matcherIn = preFilter && ( seed || !selector ) ?
    2217                 condense( elems, preMap, preFilter, context, xml ) :
    2218                 elems,
    2219
    2220             matcherOut = matcher ?
    2221                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
    2222                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
    2223
    2224                     // ...intermediate processing is necessary
    2225                     [] :
    2226
    2227                     // ...otherwise use results directly
    2228                     results :
    2229                 matcherIn;
    2230
    2231         // Find primary matches
    2232         if ( matcher ) {
    2233             matcher( matcherIn, matcherOut, context, xml );
    2234         }
    2235
    2236         // Apply postFilter
    2237         if ( postFilter ) {
    2238             temp = condense( matcherOut, postMap );
    2239             postFilter( temp, [], context, xml );
    2240
    2241             // Un-match failing elements by moving them back to matcherIn
    2242             i = temp.length;
    2243             while ( i-- ) {
    2244                 if ( (elem = temp[i]) ) {
    2245                     matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
    2246                 }
    2247             }
    2248         }
    2249
    2250         if ( seed ) {
    2251             if ( postFinder || preFilter ) {
    2252                 if ( postFinder ) {
    2253                     // Get the final matcherOut by condensing this intermediate into postFinder contexts
    2254                     temp = [];
    2255                     i = matcherOut.length;
    2256                     while ( i-- ) {
    2257                         if ( (elem = matcherOut[i]) ) {
    2258                             // Restore matcherIn since elem is not yet a final match
    2259                             temp.push( (matcherIn[i] = elem) );
    2260                         }
    2261                     }
    2262                     postFinder( null, (matcherOut = []), temp, xml );
    2263                 }
    2264
    2265                 // Move matched elements from seed to results to keep them synchronized
    2266                 i = matcherOut.length;
    2267                 while ( i-- ) {
    2268                     if ( (elem = matcherOut[i]) &&
    2269                         (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
    2270
    2271                         seed[temp] = !(results[temp] = elem);
    2272                     }
    2273                 }
    2274             }
    2275
    2276         // Add elements to results, through postFinder if defined
    2277         } else {
    2278             matcherOut = condense(
    2279                 matcherOut === results ?
    2280                     matcherOut.splice( preexisting, matcherOut.length ) :
    2281                     matcherOut
    2282             );
    2283             if ( postFinder ) {
    2284                 postFinder( null, results, matcherOut, xml );
    2285             } else {
    2286                 push.apply( results, matcherOut );
    2287             }
    2288         }
    2289     });
    2290 }
    2291
    2292 function matcherFromTokens( tokens ) {
    2293     var checkContext, matcher, j,
    2294         len = tokens.length,
    2295         leadingRelative = Expr.relative[ tokens[0].type ],
    2296         implicitRelative = leadingRelative || Expr.relative[" "],
    2297         i = leadingRelative ? 1 : 0,
    2298
    2299         // The foundational matcher ensures that elements are reachable from top-level context(s)
    2300         matchContext = addCombinator( function( elem ) {
    2301             return elem === checkContext;
    2302         }, implicitRelative, true ),
    2303         matchAnyContext = addCombinator( function( elem ) {
    2304             return indexOf.call( checkContext, elem ) > -1;
    2305         }, implicitRelative, true ),
    2306         matchers = [ function( elem, context, xml ) {
    2307             return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
    2308                 (checkContext = context).nodeType ?
    2309                     matchContext( elem, context, xml ) :
    2310                     matchAnyContext( elem, context, xml ) );
    2311         } ];
    2312
    2313     for ( ; i < len; i++ ) {
    2314         if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
    2315             matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
    2316         } else {
    2317             matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
    2318
    2319             // Return special upon seeing a positional matcher
    2320             if ( matcher[ expando ] ) {
    2321                 // Find the next relative operator (if any) for proper handling
    2322                 j = ++i;
    2323                 for ( ; j < len; j++ ) {
    2324                     if ( Expr.relative[ tokens[j].type ] ) {
    2325                         break;
    2326                     }
    2327                 }
    2328                 return setMatcher(
    2329                     i > 1 && elementMatcher( matchers ),
    2330                     i > 1 && toSelector(
    2331                         // If the preceding token was a descendant combinator, insert an implicit any-element `*`
    2332                         tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
    2333                     ).replace( rtrim, "$1" ),
    2334                     matcher,
    2335                     i < j && matcherFromTokens( tokens.slice( i, j ) ),
    2336                     j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
    2337                     j < len && toSelector( tokens )
    2338                 );
    2339             }
    2340             matchers.push( matcher );
    2341         }
    2342     }
    2343
    2344     return elementMatcher( matchers );
    2345 }
    2346
    2347 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
    2348     var bySet = setMatchers.length > 0,
    2349         byElement = elementMatchers.length > 0,
    2350         superMatcher = function( seed, context, xml, results, outermost ) {
    2351             var elem, j, matcher,
    2352                 matchedCount = 0,
    2353                 i = "0",
    2354                 unmatched = seed && [],
    2355                 setMatched = [],
    2356                 contextBackup = outermostContext,
    2357                 // We must always have either seed elements or outermost context
    2358                 elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
    2359                 // Use integer dirruns iff this is the outermost matcher
    2360                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
    2361                 len = elems.length;
    2362
    2363             if ( outermost ) {
    2364                 outermostContext = context !== document && context;
    2365             }
    2366
    2367             // Add elements passing elementMatchers directly to results
    2368             // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
    2369             // Support: IE<9, Safari
    2370             // Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
    2371             for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
    2372                 if ( byElement && elem ) {
    2373                     j = 0;
    2374                     while ( (matcher = elementMatchers[j++]) ) {
    2375                         if ( matcher( elem, context, xml ) ) {
    2376                             results.push( elem );
    2377                             break;
    2378                         }
    2379                     }
    2380                     if ( outermost ) {
    2381                         dirruns = dirrunsUnique;
    2382                     }
    2383                 }
    2384
    2385                 // Track unmatched elements for set filters
    2386                 if ( bySet ) {
    2387                     // They will have gone through all possible matchers
    2388                     if ( (elem = !matcher && elem) ) {
    2389                         matchedCount--;
    2390                     }
    2391
    2392                     // Lengthen the array for every element, matched or not
    2393                     if ( seed ) {
    2394                         unmatched.push( elem );
    2395                     }
    2396                 }
    2397             }
    2398
    2399             // Apply set filters to unmatched elements
    2400             matchedCount += i;
    2401             if ( bySet && i !== matchedCount ) {
    2402                 j = 0;
    2403                 while ( (matcher = setMatchers[j++]) ) {
    2404                     matcher( unmatched, setMatched, context, xml );
    2405                 }
    2406
    2407                 if ( seed ) {
    2408                     // Reintegrate element matches to eliminate the need for sorting
    2409                     if ( matchedCount > 0 ) {
    2410                         while ( i-- ) {
    2411                             if ( !(unmatched[i] || setMatched[i]) ) {
    2412                                 setMatched[i] = pop.call( results );
    2413                             }
    2414                         }
    2415                     }
    2416
    2417                     // Discard index placeholder values to get only actual matches
    2418                     setMatched = condense( setMatched );
    2419                 }
    2420
    2421                 // Add matches to results
    2422                 push.apply( results, setMatched );
    2423
    2424                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
    2425                 if ( outermost && !seed && setMatched.length > 0 &&
    2426                     ( matchedCount + setMatchers.length ) > 1 ) {
    2427
    2428                     Sizzle.uniqueSort( results );
    2429                 }
    2430             }
    2431
    2432             // Override manipulation of globals by nested matchers
    2433             if ( outermost ) {
    2434                 dirruns = dirrunsUnique;
    2435                 outermostContext = contextBackup;
    2436             }
    2437
    2438             return unmatched;
    2439         };
    2440
    2441     return bySet ?
    2442         markFunction( superMatcher ) :
    2443         superMatcher;
    2444 }
    2445
    2446 compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
    2447     var i,
    2448         setMatchers = [],
    2449         elementMatchers = [],
    2450         cached = compilerCache[ selector + " " ];
    2451
    2452     if ( !cached ) {
    2453         // Generate a function of recursive functions that can be used to check each element
    2454         if ( !match ) {
    2455             match = tokenize( selector );
    2456         }
    2457         i = match.length;
    2458         while ( i-- ) {
    2459             cached = matcherFromTokens( match[i] );
    2460             if ( cached[ expando ] ) {
    2461                 setMatchers.push( cached );
    2462             } else {
    2463                 elementMatchers.push( cached );
    2464             }
    2465         }
    2466
    2467         // Cache the compiled function
    2468         cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
    2469
    2470         // Save selector and tokenization
    2471         cached.selector = selector;
    2472     }
    2473     return cached;
    2474 };
    2475
    2476 /**
    2477  * A low-level selection function that works with Sizzle's compiled
    2478  *  selector functions
    2479  * @param {String|Function} selector A selector or a pre-compiled
    2480  *  selector function built with Sizzle.compile
    2481  * @param {Element} context
    2482  * @param {Array} [results]
    2483  * @param {Array} [seed] A set of elements to match against
    2484  */
    2485 select = Sizzle.select = function( selector, context, results, seed ) {
    2486     var i, tokens, token, type, find,
    2487         compiled = typeof selector === "function" && selector,
    2488         match = !seed && tokenize( (selector = compiled.selector || selector) );
    2489
    2490     results = results || [];
    2491
    2492     // Try to minimize operations if there is no seed and only one group
    2493     if ( match.length === 1 ) {
    2494
    2495         // Take a shortcut and set the context if the root selector is an ID
    2496         tokens = match[0] = match[0].slice( 0 );
    2497         if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
    2498                 support.getById && context.nodeType === 9 && documentIsHTML &&
    2499                 Expr.relative[ tokens[1].type ] ) {
    2500
    2501             context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
    2502             if ( !context ) {
    2503                 return results;
    2504
    2505             // Precompiled matchers will still verify ancestry, so step up a level
    2506             } else if ( compiled ) {
    2507                 context = context.parentNode;
    2508             }
    2509
    2510             selector = selector.slice( tokens.shift().value.length );
    2511         }
    2512
    2513         // Fetch a seed set for right-to-left matching
    2514         i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
    2515         while ( i-- ) {
    2516             token = tokens[i];
    2517
    2518             // Abort if we hit a combinator
    2519             if ( Expr.relative[ (type = token.type) ] ) {
    2520                 break;
    2521             }
    2522             if ( (find = Expr.find[ type ]) ) {
    2523                 // Search, expanding context for leading sibling combinators
    2524                 if ( (seed = find(
    2525                     token.matches[0].replace( runescape, funescape ),
    2526                     rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
    2527                 )) ) {
    2528
    2529                     // If seed is empty or no tokens remain, we can return early
    2530                     tokens.splice( i, 1 );
    2531                     selector = seed.length && toSelector( tokens );
    2532                     if ( !selector ) {
    2533                         push.apply( results, seed );
    2534                         return results;
    2535                     }
    2536
    2537                     break;
    2538                 }
    2539             }
    2540         }
    2541     }
    2542
    2543     // Compile and execute a filtering function if one is not provided
    2544     // Provide `match` to avoid retokenization if we modified the selector above
    2545     ( compiled || compile( selector, match ) )(
    2546         seed,
    2547         context,
    2548         !documentIsHTML,
    2549         results,
    2550         rsibling.test( selector ) && testContext( context.parentNode ) || context
    2551     );
    2552     return results;
    2553 };
    2554
    2555 // One-time assignments
    2556
    2557 // Sort stability
    2558 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
    2559
    2560 // Support: Chrome<14
    2561 // Always assume duplicates if they aren't passed to the comparison function
    2562 support.detectDuplicates = !!hasDuplicate;
    2563
    2564 // Initialize against the default document
    2565 setDocument();
    2566
    2567 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
    2568 // Detached nodes confoundingly follow *each other*
    2569 support.sortDetached = assert(function( div1 ) {
    2570     // Should return 1, but returns 4 (following)
    2571     return div1.compareDocumentPosition( document.createElement("div") ) & 1;
    2572 });
    2573
    2574 // Support: IE<8
    2575 // Prevent attribute/property "interpolation"
    2576 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
    2577 if ( !assert(function( div ) {
    2578     div.innerHTML = "<a href='#'></a>";
    2579     return div.firstChild.getAttribute("href") === "#" ;
    2580 }) ) {
    2581     addHandle( "type|href|height|width", function( elem, name, isXML ) {
    2582         if ( !isXML ) {
    2583             return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
    2584         }
    2585     });
    2586 }
    2587
    2588 // Support: IE<9
    2589 // Use defaultValue in place of getAttribute("value")
    2590 if ( !support.attributes || !assert(function( div ) {
    2591     div.innerHTML = "<input/>";
    2592     div.firstChild.setAttribute( "value", "" );
    2593     return div.firstChild.getAttribute( "value" ) === "";
    2594 }) ) {
    2595     addHandle( "value", function( elem, name, isXML ) {
    2596         if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
    2597             return elem.defaultValue;
    2598         }
    2599     });
    2600 }
    2601
    2602 // Support: IE<9
    2603 // Use getAttributeNode to fetch booleans when getAttribute lies
    2604 if ( !assert(function( div ) {
    2605     return div.getAttribute("disabled") == null;
    2606 }) ) {
    2607     addHandle( booleans, function( elem, name, isXML ) {
    2608         var val;
    2609         if ( !isXML ) {
    2610             return elem[ name ] === true ? name.toLowerCase() :
    2611                     (val = elem.getAttributeNode( name )) && val.specified ?
    2612                     val.value :
    2613                 null;
    2614         }
    2615     });
    2616 }
    2617
    2618 return Sizzle;
    2619
    2620 })( window );
    2621
    2622
    2623
    2624 jQuery.find = Sizzle;
    2625 jQuery.expr = Sizzle.selectors;
    2626 jQuery.expr[":"] = jQuery.expr.pseudos;
    2627 jQuery.unique = Sizzle.uniqueSort;
    2628 jQuery.text = Sizzle.getText;
    2629 jQuery.isXMLDoc = Sizzle.isXML;
    2630 jQuery.contains = Sizzle.contains;
    2631
    2632
    2633
    2634 var rneedsContext = jQuery.expr.match.needsContext;
    2635
    2636 var rsingleTag = (/^<(\w+)\s*\/?>(?:<\/\1>|)$/);
    2637
    2638
    2639
    2640 var risSimple = /^.[^:#\[\.,]*$/;
    2641
    2642 // Implement the identical functionality for filter and not
    2643 function winnow( elements, qualifier, not ) {
    2644     if ( jQuery.isFunction( qualifier ) ) {
    2645         return jQuery.grep( elements, function( elem, i ) {
    2646             /* jshint -W018 */
    2647             return !!qualifier.call( elem, i, elem ) !== not;
    2648         });
    2649
    2650     }
    2651
    2652     if ( qualifier.nodeType ) {
    2653         return jQuery.grep( elements, function( elem ) {
    2654             return ( elem === qualifier ) !== not;
    2655         });
    2656
    2657     }
    2658
    2659     if ( typeof qualifier === "string" ) {
    2660         if ( risSimple.test( qualifier ) ) {
    2661             return jQuery.filter( qualifier, elements, not );
    2662         }
    2663
    2664         qualifier = jQuery.filter( qualifier, elements );
    2665     }
    2666
    2667     return jQuery.grep( elements, function( elem ) {
    2668         return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not;
    2669     });
    2670 }
    2671
    2672 jQuery.filter = function( expr, elems, not ) {
    2673     var elem = elems[ 0 ];
    2674
    2675     if ( not ) {
    2676         expr = ":not(" + expr + ")";
    2677     }
    2678
    2679     return elems.length === 1 && elem.nodeType === 1 ?
    2680         jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
    2681         jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
    2682             return elem.nodeType === 1;
    2683         }));
    2684 };
    2685
    2686 jQuery.fn.extend({
    2687     find: function( selector ) {
    2688         var i,
    2689             ret = [],
    2690             self = this,
    2691             len = self.length;
    2692
    2693         if ( typeof selector !== "string" ) {
    2694             return this.pushStack( jQuery( selector ).filter(function() {
    2695                 for ( i = 0; i < len; i++ ) {
    2696                     if ( jQuery.contains( self[ i ], this ) ) {
    2697                         return true;
    2698                     }
    2699                 }
    2700             }) );
    2701         }
    2702
    2703         for ( i = 0; i < len; i++ ) {
    2704             jQuery.find( selector, self[ i ], ret );
    2705         }
    2706
    2707         // Needed because $( selector, context ) becomes $( context ).find( selector )
    2708         ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
    2709         ret.selector = this.selector ? this.selector + " " + selector : selector;
    2710         return ret;
    2711     },
    2712     filter: function( selector ) {
    2713         return this.pushStack( winnow(this, selector || [], false) );
    2714     },
    2715     not: function( selector ) {
    2716         return this.pushStack( winnow(this, selector || [], true) );
    2717     },
    2718     is: function( selector ) {
    2719         return !!winnow(
    2720             this,
    2721
    2722             // If this is a positional/relative selector, check membership in the returned set
    2723             // so $("p:first").is("p:last") won't return true for a doc with two "p".
    2724             typeof selector === "string" && rneedsContext.test( selector ) ?
    2725                 jQuery( selector ) :
    2726                 selector || [],
    2727             false
    2728         ).length;
    2729     }
    2730 });
    2731
    2732
    2733 // Initialize a jQuery object
    2734
    2735
    2736 // A central reference to the root jQuery(document)
    2737 var rootjQuery,
    2738
    2739     // Use the correct document accordingly with window argument (sandbox)
    2740     document = window.document,
    2741
    2742     // A simple way to check for HTML strings
    2743     // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
    2744     // Strict HTML recognition (#11290: must start with <)
    2745     rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
    2746
    2747     init = jQuery.fn.init = function( selector, context ) {
    2748         var match, elem;
    2749
    2750         // HANDLE: $(""), $(null), $(undefined), $(false)
    2751         if ( !selector ) {
    2752             return this;
    2753         }
    2754
    2755         // Handle HTML strings
    2756         if ( typeof selector === "string" ) {
    2757             if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
    2758                 // Assume that strings that start and end with <> are HTML and skip the regex check
    2759                 match = [ null, selector, null ];
    2760
    2761             } else {
    2762                 match = rquickExpr.exec( selector );
    2763             }
    2764
    2765             // Match html or make sure no context is specified for #id
    2766             if ( match && (match[1] || !context) ) {
    2767
    2768                 // HANDLE: $(html) -> $(array)
    2769                 if ( match[1] ) {
    2770                     context = context instanceof jQuery ? context[0] : context;
    2771
    2772                     // scripts is true for back-compat
    2773                     // Intentionally let the error be thrown if parseHTML is not present
    2774                     jQuery.merge( this, jQuery.parseHTML(
    2775                         match[1],
    2776                         context && context.nodeType ? context.ownerDocument || context : document,
    2777                         true
    2778                     ) );
    2779
    2780                     // HANDLE: $(html, props)
    2781                     if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
    2782                         for ( match in context ) {
    2783                             // Properties of context are called as methods if possible
    2784                             if ( jQuery.isFunction( this[ match ] ) ) {
    2785                                 this[ match ]( context[ match ] );
    2786
    2787                             // ...and otherwise set as attributes
    2788                             } else {
    2789                                 this.attr( match, context[ match ] );
    2790                             }
    2791                         }
    2792                     }
    2793
    2794                     return this;
    2795
    2796                 // HANDLE: $(#id)
    2797                 } else {
    2798                     elem = document.getElementById( match[2] );
    2799
    2800                     // Check parentNode to catch when Blackberry 4.6 returns
    2801                     // nodes that are no longer in the document #6963
    2802                     if ( elem && elem.parentNode ) {
    2803                         // Handle the case where IE and Opera return items
    2804                         // by name instead of ID
    2805                         if ( elem.id !== match[2] ) {
    2806                             return rootjQuery.find( selector );
    2807                         }
    2808
    2809                         // Otherwise, we inject the element directly into the jQuery object
    2810                         this.length = 1;
    2811                         this[0] = elem;
    2812                     }
    2813
    2814                     this.context = document;
    2815                     this.selector = selector;
    2816                     return this;
    2817                 }
    2818
    2819             // HANDLE: $(expr, $(...))
    2820             } else if ( !context || context.jquery ) {
    2821                 return ( context || rootjQuery ).find( selector );
    2822
    2823             // HANDLE: $(expr, context)
    2824             // (which is just equivalent to: $(context).find(expr)
    2825             } else {
    2826                 return this.constructor( context ).find( selector );
    2827             }
    2828
    2829         // HANDLE: $(DOMElement)
    2830         } else if ( selector.nodeType ) {
    2831             this.context = this[0] = selector;
    2832             this.length = 1;
    2833             return this;
    2834
    2835         // HANDLE: $(function)
    2836         // Shortcut for document ready
    2837         } else if ( jQuery.isFunction( selector ) ) {
    2838             return typeof rootjQuery.ready !== "undefined" ?
    2839                 rootjQuery.ready( selector ) :
    2840                 // Execute immediately if ready is not present
    2841                 selector( jQuery );
    2842         }
    2843
    2844         if ( selector.selector !== undefined ) {
    2845             this.selector = selector.selector;
    2846             this.context = selector.context;
    2847         }
    2848
    2849         return jQuery.makeArray( selector, this );
    2850     };
    2851
    2852 // Give the init function the jQuery prototype for later instantiation
    2853 init.prototype = jQuery.fn;
    2854
    2855 // Initialize central reference
    2856 rootjQuery = jQuery( document );
    2857
    2858
    2859 var rparentsprev = /^(?:parents|prev(?:Until|All))/,
    2860     // methods guaranteed to produce a unique set when starting from a unique set
    2861     guaranteedUnique = {
    2862         children: true,
    2863         contents: true,
    2864         next: true,
    2865         prev: true
    2866     };
    2867
    2868 jQuery.extend({
    2869     dir: function( elem, dir, until ) {
    2870         var matched = [],
    2871             cur = elem[ dir ];
    2872
    2873         while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
    2874             if ( cur.nodeType === 1 ) {
    2875                 matched.push( cur );
    2876             }
    2877             cur = cur[dir];
    2878         }
    2879         return matched;
    2880     },
    2881
    2882     sibling: function( n, elem ) {
    2883         var r = [];
    2884
    2885         for ( ; n; n = n.nextSibling ) {
    2886             if ( n.nodeType === 1 && n !== elem ) {
    2887                 r.push( n );
    2888             }
    2889         }
    2890
    2891         return r;
    2892     }
    2893 });
    2894
    2895 jQuery.fn.extend({
    2896     has: function( target ) {
    2897         var i,
    2898             targets = jQuery( target, this ),
    2899             len = targets.length;
    2900
    2901         return this.filter(function() {
    2902             for ( i = 0; i < len; i++ ) {
    2903                 if ( jQuery.contains( this, targets[i] ) ) {
    2904                     return true;
    2905                 }
    2906             }
    2907         });
    2908     },
    2909
    2910     closest: function( selectors, context ) {
    2911         var cur,
    2912             i = 0,
    2913             l = this.length,
    2914             matched = [],
    2915             pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
    2916                 jQuery( selectors, context || this.context ) :
    2917                 0;
    2918
    2919         for ( ; i < l; i++ ) {
    2920             for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
    2921                 // Always skip document fragments
    2922                 if ( cur.nodeType < 11 && (pos ?
    2923                     pos.index(cur) > -1 :
    2924
    2925                     // Don't pass non-elements to Sizzle
    2926                     cur.nodeType === 1 &&
    2927                         jQuery.find.matchesSelector(cur, selectors)) ) {
    2928
    2929                     matched.push( cur );
    2930                     break;
    2931                 }
    2932             }
    2933         }
    2934
    2935         return this.pushStack( matched.length > 1 ? jQuery.unique( matched ) : matched );
    2936     },
    2937
    2938     // Determine the position of an element within
    2939     // the matched set of elements
    2940     index: function( elem ) {
    2941
    2942         // No argument, return index in parent
    2943         if ( !elem ) {
    2944             return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
    2945         }
    2946
    2947         // index in selector
    2948         if ( typeof elem === "string" ) {
    2949             return jQuery.inArray( this[0], jQuery( elem ) );
    2950         }
    2951
    2952         // Locate the position of the desired element
    2953         return jQuery.inArray(
    2954             // If it receives a jQuery object, the first element is used
    2955             elem.jquery ? elem[0] : elem, this );
    2956     },
    2957
    2958     add: function( selector, context ) {
    2959         return this.pushStack(
    2960             jQuery.unique(
    2961                 jQuery.merge( this.get(), jQuery( selector, context ) )
    2962             )
    2963         );
    2964     },
    2965
    2966     addBack: function( selector ) {
    2967         return this.add( selector == null ?
    2968             this.prevObject : this.prevObject.filter(selector)
    2969         );
    2970     }
    2971 });
    2972
    2973 function sibling( cur, dir ) {
    2974     do {
    2975         cur = cur[ dir ];
    2976     } while ( cur && cur.nodeType !== 1 );
    2977
    2978     return cur;
    2979 }
    2980
    2981 jQuery.each({
    2982     parent: function( elem ) {
    2983         var parent = elem.parentNode;
    2984         return parent && parent.nodeType !== 11 ? parent : null;
    2985     },
    2986     parents: function( elem ) {
    2987         return jQuery.dir( elem, "parentNode" );
    2988     },
    2989     parentsUntil: function( elem, i, until ) {
    2990         return jQuery.dir( elem, "parentNode", until );
    2991     },
    2992     next: function( elem ) {
    2993         return sibling( elem, "nextSibling" );
    2994     },
    2995     prev: function( elem ) {
    2996         return sibling( elem, "previousSibling" );
    2997     },
    2998     nextAll: function( elem ) {
    2999         return jQuery.dir( elem, "nextSibling" );
    3000     },
    3001     prevAll: function( elem ) {
    3002         return jQuery.dir( elem, "previousSibling" );
    3003     },
    3004     nextUntil: function( elem, i, until ) {
    3005         return jQuery.dir( elem, "nextSibling", until );
    3006     },
    3007     prevUntil: function( elem, i, until ) {
    3008         return jQuery.dir( elem, "previousSibling", until );
    3009     },
    3010     siblings: function( elem ) {
    3011         return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
    3012     },
    3013     children: function( elem ) {
    3014         return jQuery.sibling( elem.firstChild );
    3015     },
    3016     contents: function( elem ) {
    3017         return jQuery.nodeName( elem, "iframe" ) ?
    3018             elem.contentDocument || elem.contentWindow.document :
    3019             jQuery.merge( [], elem.childNodes );
    3020     }
    3021 }, function( name, fn ) {
    3022     jQuery.fn[ name ] = function( until, selector ) {
    3023         var ret = jQuery.map( this, fn, until );
    3024
    3025         if ( name.slice( -5 ) !== "Until" ) {
    3026             selector = until;
    3027         }
    3028
    3029         if ( selector && typeof selector === "string" ) {
    3030             ret = jQuery.filter( selector, ret );
    3031         }
    3032
    3033         if ( this.length > 1 ) {
    3034             // Remove duplicates
    3035             if ( !guaranteedUnique[ name ] ) {
    3036                 ret = jQuery.unique( ret );
    3037             }
    3038
    3039             // Reverse order for parents* and prev-derivatives
    3040             if ( rparentsprev.test( name ) ) {
    3041                 ret = ret.reverse();
    3042             }
    3043         }
    3044
    3045         return this.pushStack( ret );
    3046     };
    3047 });
    3048 var rnotwhite = (/\S+/g);
    3049
    3050
    3051
    3052 // String to Object options format cache
    3053 var optionsCache = {};
    3054
    3055 // Convert String-formatted options into Object-formatted ones and store in cache
    3056 function createOptions( options ) {
    3057     var object = optionsCache[ options ] = {};
    3058     jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
    3059         object[ flag ] = true;
    3060     });
    3061     return object;
    3062 }
    3063
    3064 /*
    3065  * Create a callback list using the following parameters:
    3066  *
    3067  *  options: an optional list of space-separated options that will change how
    3068  *          the callback list behaves or a more traditional option object
    3069  *
    3070  * By default a callback list will act like an event callback list and can be
    3071  * "fired" multiple times.
    3072  *
    3073  * Possible options:
    3074  *
    3075  *  once:           will ensure the callback list can only be fired once (like a Deferred)
    3076  *
    3077  *  memory:         will keep track of previous values and will call any callback added
    3078  *                  after the list has been fired right away with the latest "memorized"
    3079  *                  values (like a Deferred)
    3080  *
    3081  *  unique:         will ensure a callback can only be added once (no duplicate in the list)
    3082  *
    3083  *  stopOnFalse:    interrupt callings when a callback returns false
    3084  *
    3085  */
    3086 jQuery.Callbacks = function( options ) {
    3087
    3088     // Convert options from String-formatted to Object-formatted if needed
    3089     // (we check in cache first)
    3090     options = typeof options === "string" ?
    3091         ( optionsCache[ options ] || createOptions( options ) ) :
    3092         jQuery.extend( {}, options );
    3093
    3094     var // Flag to know if list is currently firing
    3095         firing,
    3096         // Last fire value (for non-forgettable lists)
    3097         memory,
    3098         // Flag to know if list was already fired
    3099         fired,
    3100         // End of the loop when firing
    3101         firingLength,
    3102         // Index of currently firing callback (modified by remove if needed)
    3103         firingIndex,
    3104         // First callback to fire (used internally by add and fireWith)
    3105         firingStart,
    3106         // Actual callback list
    3107         list = [],
    3108         // Stack of fire calls for repeatable lists
    3109         stack = !options.once && [],
    3110         // Fire callbacks
    3111         fire = function( data ) {
    3112             memory = options.memory && data;
    3113             fired = true;
    3114             firingIndex = firingStart || 0;
    3115             firingStart = 0;
    3116             firingLength = list.length;
    3117             firing = true;
    3118             for ( ; list && firingIndex < firingLength; firingIndex++ ) {
    3119                 if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
    3120                     memory = false; // To prevent further calls using add
    3121                     break;
    3122                 }
    3123             }
    3124             firing = false;
    3125             if ( list ) {
    3126                 if ( stack ) {
    3127                     if ( stack.length ) {
    3128                         fire( stack.shift() );
    3129                     }
    3130                 } else if ( memory ) {
    3131                     list = [];
    3132                 } else {
    3133                     self.disable();
    3134                 }
    3135             }
    3136         },
    3137         // Actual Callbacks object
    3138         self = {
    3139             // Add a callback or a collection of callbacks to the list
    3140             add: function() {
    3141                 if ( list ) {
    3142                     // First, we save the current length
    3143                     var start = list.length;
    3144                     (function add( args ) {
    3145                         jQuery.each( args, function( _, arg ) {
    3146                             var type = jQuery.type( arg );
    3147                             if ( type === "function" ) {
    3148                                 if ( !options.unique || !self.has( arg ) ) {
    3149                                     list.push( arg );
    3150                                 }
    3151                             } else if ( arg && arg.length && type !== "string" ) {
    3152                                 // Inspect recursively
    3153                                 add( arg );
    3154                             }
    3155                         });
    3156                     })( arguments );
    3157                     // Do we need to add the callbacks to the
    3158                     // current firing batch?
    3159                     if ( firing ) {
    3160                         firingLength = list.length;
    3161                     // With memory, if we're not firing then
    3162                     // we should call right away
    3163                     } else if ( memory ) {
    3164                         firingStart = start;
    3165                         fire( memory );
    3166                     }
    3167                 }
    3168                 return this;
    3169             },
    3170             // Remove a callback from the list
    3171             remove: function() {
    3172                 if ( list ) {
    3173                     jQuery.each( arguments, function( _, arg ) {
    3174                         var index;
    3175                         while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
    3176                             list.splice( index, 1 );
    3177                             // Handle firing indexes
    3178                             if ( firing ) {
    3179                                 if ( index <= firingLength ) {
    3180                                     firingLength--;
    3181                                 }
    3182                                 if ( index <= firingIndex ) {
    3183                                     firingIndex--;
    3184                                 }
    3185                             }
    3186                         }
    3187                     });
    3188                 }
    3189                 return this;
    3190             },
    3191             // Check if a given callback is in the list.
    3192             // If no argument is given, return whether or not list has callbacks attached.
    3193             has: function( fn ) {
    3194                 return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
    3195             },
    3196             // Remove all callbacks from the list
    3197             empty: function() {
    3198                 list = [];
    3199                 firingLength = 0;
    3200                 return this;
    3201             },
    3202             // Have the list do nothing anymore
    3203             disable: function() {
    3204                 list = stack = memory = undefined;
    3205                 return this;
    3206             },
    3207             // Is it disabled?
    3208             disabled: function() {
    3209                 return !list;
    3210             },
    3211             // Lock the list in its current state
    3212             lock: function() {
    3213                 stack = undefined;
    3214                 if ( !memory ) {
    3215                     self.disable();
    3216                 }
    3217                 return this;
    3218             },
    3219             // Is it locked?
    3220             locked: function() {
    3221                 return !stack;
    3222             },
    3223             // Call all callbacks with the given context and arguments
    3224             fireWith: function( context, args ) {
    3225                 if ( list && ( !fired || stack ) ) {
    3226                     args = args || [];
    3227                     args = [ context, args.slice ? args.slice() : args ];
    3228                     if ( firing ) {
    3229                         stack.push( args );
    3230                     } else {
    3231                         fire( args );
    3232                     }
    3233                 }
    3234                 return this;
    3235             },
    3236             // Call all the callbacks with the given arguments
    3237             fire: function() {
    3238                 self.fireWith( this, arguments );
    3239                 return this;
    3240             },
    3241             // To know if the callbacks have already been called at least once
    3242             fired: function() {
    3243                 return !!fired;
    3244             }
    3245         };
    3246
    3247     return self;
    3248 };
    3249
    3250
    3251 jQuery.extend({
    3252
    3253     Deferred: function( func ) {
    3254         var tuples = [
    3255                 // action, add listener, listener list, final state
    3256                 [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
    3257                 [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
    3258                 [ "notify", "progress", jQuery.Callbacks("memory") ]
    3259             ],
    3260             state = "pending",
    3261             promise = {
    3262                 state: function() {
    3263                     return state;
    3264                 },
    3265                 always: function() {
    3266                     deferred.done( arguments ).fail( arguments );
    3267                     return this;
    3268                 },
    3269                 then: function( /* fnDone, fnFail, fnProgress */ ) {
    3270                     var fns = arguments;
    3271                     return jQuery.Deferred(function( newDefer ) {
    3272                         jQuery.each( tuples, function( i, tuple ) {
    3273                             var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
    3274                             // deferred[ done | fail | progress ] for forwarding actions to newDefer
    3275                             deferred[ tuple[1] ](function() {
    3276                                 var returned = fn && fn.apply( this, arguments );
    3277                                 if ( returned && jQuery.isFunction( returned.promise ) ) {
    3278                                     returned.promise()
    3279                                         .done( newDefer.resolve )
    3280                                         .fail( newDefer.reject )
    3281                                         .progress( newDefer.notify );
    3282                                 } else {
    3283                                     newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
    3284                                 }
    3285                             });
    3286                         });
    3287                         fns = null;
    3288                     }).promise();
    3289                 },
    3290                 // Get a promise for this deferred
    3291                 // If obj is provided, the promise aspect is added to the object
    3292                 promise: function( obj ) {
    3293                     return obj != null ? jQuery.extend( obj, promise ) : promise;
    3294                 }
    3295             },
    3296             deferred = {};
    3297
    3298         // Keep pipe for back-compat
    3299         promise.pipe = promise.then;
    3300
    3301         // Add list-specific methods
    3302         jQuery.each( tuples, function( i, tuple ) {
    3303             var list = tuple[ 2 ],
    3304                 stateString = tuple[ 3 ];
    3305
    3306             // promise[ done | fail | progress ] = list.add
    3307             promise[ tuple[1] ] = list.add;
    3308
    3309             // Handle state
    3310             if ( stateString ) {
    3311                 list.add(function() {
    3312                     // state = [ resolved | rejected ]
    3313                     state = stateString;
    3314
    3315                 // [ reject_list | resolve_list ].disable; progress_list.lock
    3316                 }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
    3317             }
    3318
    3319             // deferred[ resolve | reject | notify ]
    3320             deferred[ tuple[0] ] = function() {
    3321                 deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
    3322                 return this;
    3323             };
    3324             deferred[ tuple[0] + "With" ] = list.fireWith;
    3325         });
    3326
    3327         // Make the deferred a promise
    3328         promise.promise( deferred );
    3329
    3330         // Call given func if any
    3331         if ( func ) {
    3332             func.call( deferred, deferred );
    3333         }
    3334
    3335         // All done!
    3336         return deferred;
    3337     },
    3338
    3339     // Deferred helper
    3340     when: function( subordinate /* , ..., subordinateN */ ) {
    3341         var i = 0,
    3342             resolveValues = slice.call( arguments ),
    3343             length = resolveValues.length,
    3344
    3345             // the count of uncompleted subordinates
    3346             remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
    3347
    3348             // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
    3349             deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
    3350
    3351             // Update function for both resolve and progress values
    3352             updateFunc = function( i, contexts, values ) {
    3353                 return function( value ) {
    3354                     contexts[ i ] = this;
    3355                     values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
    3356                     if ( values === progressValues ) {
    3357                         deferred.notifyWith( contexts, values );
    3358
    3359                     } else if ( !(--remaining) ) {
    3360                         deferred.resolveWith( contexts, values );
    3361                     }
    3362                 };
    3363             },
    3364
    3365             progressValues, progressContexts, resolveContexts;
    3366
    3367         // add listeners to Deferred subordinates; treat others as resolved
    3368         if ( length > 1 ) {
    3369             progressValues = new Array( length );
    3370             progressContexts = new Array( length );
    3371             resolveContexts = new Array( length );
    3372             for ( ; i < length; i++ ) {
    3373                 if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
    3374                     resolveValues[ i ].promise()
    3375                         .done( updateFunc( i, resolveContexts, resolveValues ) )
    3376                         .fail( deferred.reject )
    3377                         .progress( updateFunc( i, progressContexts, progressValues ) );
    3378                 } else {
    3379                     --remaining;
    3380                 }
    3381             }
    3382         }
    3383
    3384         // if we're not waiting on anything, resolve the master
    3385         if ( !remaining ) {
    3386             deferred.resolveWith( resolveContexts, resolveValues );
    3387         }
    3388
    3389         return deferred.promise();
    3390     }
    3391 });
    3392
    3393
    3394 // The deferred used on DOM ready
    3395 var readyList;
    3396
    3397 jQuery.fn.ready = function( fn ) {
    3398     // Add the callback
    3399     jQuery.ready.promise().done( fn );
    3400
    3401     return this;
    3402 };
    3403
    3404 jQuery.extend({
    3405     // Is the DOM ready to be used? Set to true once it occurs.
    3406     isReady: false,
    3407
    3408     // A counter to track how many items to wait for before
    3409     // the ready event fires. See #6781
    3410     readyWait: 1,
    3411
    3412     // Hold (or release) the ready event
    3413     holdReady: function( hold ) {
    3414         if ( hold ) {
    3415             jQuery.readyWait++;
    3416         } else {
    3417             jQuery.ready( true );
    3418         }
    3419     },
    3420
    3421     // Handle when the DOM is ready
    3422     ready: function( wait ) {
    3423
    3424         // Abort if there are pending holds or we're already ready
    3425         if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
    3426             return;
    3427         }
    3428
    3429         // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
    3430         if ( !document.body ) {
    3431             return setTimeout( jQuery.ready );
    3432         }
    3433
    3434         // Remember that the DOM is ready
    3435         jQuery.isReady = true;
    3436
    3437         // If a normal DOM Ready event fired, decrement, and wait if need be
    3438         if ( wait !== true && --jQuery.readyWait > 0 ) {
    3439             return;
    3440         }
    3441
    3442         // If there are functions bound, to execute
    3443         readyList.resolveWith( document, [ jQuery ] );
    3444
    3445         // Trigger any bound ready events
    3446         if ( jQuery.fn.triggerHandler ) {
    3447             jQuery( document ).triggerHandler( "ready" );
    3448             jQuery( document ).off( "ready" );
    3449         }
    3450     }
    3451 });
    3452
    3453 /**
    3454  * Clean-up method for dom ready events
    3455  */
    3456 function detach() {
    3457     if ( document.addEventListener ) {
    3458         document.removeEventListener( "DOMContentLoaded", completed, false );
    3459         window.removeEventListener( "load", completed, false );
    3460
    3461     } else {
    3462         document.detachEvent( "onreadystatechange", completed );
    3463         window.detachEvent( "onload", completed );
    3464     }
    3465 }
    3466
    3467 /**
    3468  * The ready event handler and self cleanup method
    3469  */
    3470 function completed() {
    3471     // readyState === "complete" is good enough for us to call the dom ready in oldIE
    3472     if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
    3473         detach();
    3474         jQuery.ready();
    3475     }
    3476 }
    3477
    3478 jQuery.ready.promise = function( obj ) {
    3479     if ( !readyList ) {
    3480
    3481         readyList = jQuery.Deferred();
    3482
    3483         // Catch cases where $(document).ready() is called after the browser event has already occurred.
    3484         // we once tried to use readyState "interactive" here, but it caused issues like the one
    3485         // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
    3486         if ( document.readyState === "complete" ) {
    3487             // Handle it asynchronously to allow scripts the opportunity to delay ready
    3488             setTimeout( jQuery.ready );
    3489
    3490         // Standards-based browsers support DOMContentLoaded
    3491         } else if ( document.addEventListener ) {
    3492             // Use the handy event callback
    3493             document.addEventListener( "DOMContentLoaded", completed, false );
    3494
    3495             // A fallback to window.onload, that will always work
    3496             window.addEventListener( "load", completed, false );
    3497
    3498         // If IE event model is used
    3499         } else {
    3500             // Ensure firing before onload, maybe late but safe also for iframes
    3501             document.attachEvent( "onreadystatechange", completed );
    3502
    3503             // A fallback to window.onload, that will always work
    3504             window.attachEvent( "onload", completed );
    3505
    3506             // If IE and not a frame
    3507             // continually check to see if the document is ready
    3508             var top = false;
    3509
    3510             try {
    3511                 top = window.frameElement == null && document.documentElement;
    3512             } catch(e) {}
    3513
    3514             if ( top && top.doScroll ) {
    3515                 (function doScrollCheck() {
    3516                     if ( !jQuery.isReady ) {
    3517
    3518                         try {
    3519                             // Use the trick by Diego Perini
    3520                             // http://javascript.nwbox.com/IEContentLoaded/
    3521                             top.doScroll("left");
    3522                         } catch(e) {
    3523                             return setTimeout( doScrollCheck, 50 );
    3524                         }
    3525
    3526                         // detach all dom ready events
    3527                         detach();
    3528
    3529                         // and execute any waiting functions
    3530                         jQuery.ready();
    3531                     }
    3532                 })();
    3533             }
    3534         }
    3535     }
    3536     return readyList.promise( obj );
    3537 };
    3538
    3539
    3540 var strundefined = typeof undefined;
    3541
    3542
    3543
    3544 // Support: IE<9
    3545 // Iteration over object's inherited properties before its own
    3546 var i;
    3547 for ( i in jQuery( support ) ) {
    3548     break;
    3549 }
    3550 support.ownLast = i !== "0";
    3551
    3552 // Note: most support tests are defined in their respective modules.
    3553 // false until the test is run
    3554 support.inlineBlockNeedsLayout = false;
    3555
    3556 // Execute ASAP in case we need to set body.style.zoom
    3557 jQuery(function() {
    3558     // Minified: var a,b,c,d
    3559     var val, div, body, container;
    3560
    3561     body = document.getElementsByTagName( "body" )[ 0 ];
    3562     if ( !body || !body.style ) {
    3563         // Return for frameset docs that don't have a body
    3564         return;
    3565     }
    3566
    3567     // Setup
    3568     div = document.createElement( "div" );
    3569     container = document.createElement( "div" );
    3570     container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
    3571     body.appendChild( container ).appendChild( div );
    3572
    3573     if ( typeof div.style.zoom !== strundefined ) {
    3574         // Support: IE<8
    3575         // Check if natively block-level elements act like inline-block
    3576         // elements when setting their display to 'inline' and giving
    3577         // them layout
    3578         div.style.cssText = "display:inline;margin:0;border:0;padding:1px;width:1px;zoom:1";
    3579
    3580         support.inlineBlockNeedsLayout = val = div.offsetWidth === 3;
    3581         if ( val ) {
    3582             // Prevent IE 6 from affecting layout for positioned elements #11048
    3583             // Prevent IE from shrinking the body in IE 7 mode #12869
    3584             // Support: IE<8
    3585             body.style.zoom = 1;
    3586         }
    3587     }
    3588
    3589     body.removeChild( container );
    3590 });
    3591
    3592
    3593
    3594
    3595 (function() {
    3596     var div = document.createElement( "div" );
    3597
    3598     // Execute the test only if not already executed in another module.
    3599     if (support.deleteExpando == null) {
    3600         // Support: IE<9
    3601         support.deleteExpando = true;
    3602         try {
    3603             delete div.test;
    3604         } catch( e ) {
    3605             support.deleteExpando = false;
    3606         }
    3607     }
    3608
    3609     // Null elements to avoid leaks in IE.
    3610     div = null;
    3611 })();
    3612
    3613
    3614 /**
    3615  * Determines whether an object can have data
    3616  */
    3617 jQuery.acceptData = function( elem ) {
    3618     var noData = jQuery.noData[ (elem.nodeName + " ").toLowerCase() ],
    3619         nodeType = +elem.nodeType || 1;
    3620
    3621     // Do not set data on non-element DOM nodes because it will not be cleared (#8335).
    3622     return nodeType !== 1 && nodeType !== 9 ?
    3623         false :
    3624
    3625         // Nodes accept data unless otherwise specified; rejection can be conditional
    3626         !noData || noData !== true && elem.getAttribute("classid") === noData;
    3627 };
    3628
    3629
    3630 var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
    3631     rmultiDash = /([A-Z])/g;
    3632
    3633 function dataAttr( elem, key, data ) {
    3634     // If nothing was found internally, try to fetch any
    3635     // data from the HTML5 data-* attribute
    3636     if ( data === undefined && elem.nodeType === 1 ) {
    3637
    3638         var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
    3639
    3640         data = elem.getAttribute( name );
    3641
    3642         if ( typeof data === "string" ) {
    3643             try {
    3644                 data = data === "true" ? true :
    3645                     data === "false" ? false :
    3646                     data === "null" ? null :
    3647                     // Only convert to a number if it doesn't change the string
    3648                     +data + "" === data ? +data :
    3649                     rbrace.test( data ) ? jQuery.parseJSON( data ) :
    3650                     data;
    3651             } catch( e ) {}
    3652
    3653             // Make sure we set the data so it isn't changed later
    3654             jQuery.data( elem, key, data );
    3655
    3656         } else {
    3657             data = undefined;
    3658         }
    3659     }
    3660
    3661     return data;
    3662 }
    3663
    3664 // checks a cache object for emptiness
    3665 function isEmptyDataObject( obj ) {
    3666     var name;
    3667     for ( name in obj ) {
    3668
    3669         // if the public data object is empty, the private is still empty
    3670         if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
    3671             continue;
    3672         }
    3673         if ( name !== "toJSON" ) {
    3674             return false;
    3675         }
    3676     }
    3677
    3678     return true;
    3679 }
    3680
    3681 function internalData( elem, name, data, pvt /* Internal Use Only */ ) {
    3682     if ( !jQuery.acceptData( elem ) ) {
    3683         return;
    3684     }
    3685
    3686     var ret, thisCache,
    3687         internalKey = jQuery.expando,
    3688
    3689         // We have to handle DOM nodes and JS objects differently because IE6-7
    3690         // can't GC object references properly across the DOM-JS boundary
    3691         isNode = elem.nodeType,
    3692
    3693         // Only DOM nodes need the global jQuery cache; JS object data is
    3694         // attached directly to the object so GC can occur automatically
    3695         cache = isNode ? jQuery.cache : elem,
    3696
    3697         // Only defining an ID for JS objects if its cache already exists allows
    3698         // the code to shortcut on the same path as a DOM node with no cache
    3699         id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
    3700
    3701     // Avoid doing any more work than we need to when trying to get data on an
    3702     // object that has no data at all
    3703     if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) {
    3704         return;
    3705     }
    3706
    3707     if ( !id ) {
    3708         // Only DOM nodes need a new unique ID for each element since their data
    3709         // ends up in the global cache
    3710         if ( isNode ) {
    3711             id = elem[ internalKey ] = deletedIds.pop() || jQuery.guid++;
    3712         } else {
    3713             id = internalKey;
    3714         }
    3715     }
    3716
    3717     if ( !cache[ id ] ) {
    3718         // Avoid exposing jQuery metadata on plain JS objects when the object
    3719         // is serialized using JSON.stringify
    3720         cache[ id ] = isNode ? {} : { toJSON: jQuery.noop };
    3721     }
    3722
    3723     // An object can be passed to jQuery.data instead of a key/value pair; this gets
    3724     // shallow copied over onto the existing cache
    3725     if ( typeof name === "object" || typeof name === "function" ) {
    3726         if ( pvt ) {
    3727             cache[ id ] = jQuery.extend( cache[ id ], name );
    3728         } else {
    3729             cache[ id ].data = jQuery.extend( cache[ id ].data, name );
    3730         }
    3731     }
    3732
    3733     thisCache = cache[ id ];
    3734
    3735     // jQuery data() is stored in a separate object inside the object's internal data
    3736     // cache in order to avoid key collisions between internal data and user-defined
    3737     // data.
    3738     if ( !pvt ) {
    3739         if ( !thisCache.data ) {
    3740             thisCache.data = {};
    3741         }
    3742
    3743         thisCache = thisCache.data;
    3744     }
    3745
    3746     if ( data !== undefined ) {
    3747         thisCache[ jQuery.camelCase( name ) ] = data;
    3748     }
    3749
    3750     // Check for both converted-to-camel and non-converted data property names
    3751     // If a data property was specified
    3752     if ( typeof name === "string" ) {
    3753
    3754         // First Try to find as-is property data
    3755         ret = thisCache[ name ];
    3756
    3757         // Test for null|undefined property data
    3758         if ( ret == null ) {
    3759
    3760             // Try to find the camelCased property
    3761             ret = thisCache[ jQuery.camelCase( name ) ];
    3762         }
    3763     } else {
    3764         ret = thisCache;
    3765     }
    3766
    3767     return ret;
    3768 }
    3769
    3770 function internalRemoveData( elem, name, pvt ) {
    3771     if ( !jQuery.acceptData( elem ) ) {
    3772         return;
    3773     }
    3774
    3775     var thisCache, i,
    3776         isNode = elem.nodeType,
    3777
    3778         // See jQuery.data for more information
    3779         cache = isNode ? jQuery.cache : elem,
    3780         id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
    3781
    3782     // If there is already no cache entry for this object, there is no
    3783     // purpose in continuing
    3784     if ( !cache[ id ] ) {
    3785         return;
    3786     }
    3787
    3788     if ( name ) {
    3789
    3790         thisCache = pvt ? cache[ id ] : cache[ id ].data;
    3791
    3792         if ( thisCache ) {
    3793
    3794             // Support array or space separated string names for data keys
    3795             if ( !jQuery.isArray( name ) ) {
    3796
    3797                 // try the string as a key before any manipulation
    3798                 if ( name in thisCache ) {
    3799                     name = [ name ];
    3800                 } else {
    3801
    3802                     // split the camel cased version by spaces unless a key with the spaces exists
    3803                     name = jQuery.camelCase( name );
    3804                     if ( name in thisCache ) {
    3805                         name = [ name ];
    3806                     } else {
    3807                         name = name.split(" ");
    3808                     }
    3809                 }
    3810             } else {
    3811                 // If "name" is an array of keys...
    3812                 // When data is initially created, via ("key", "val") signature,
    3813                 // keys will be converted to camelCase.
    3814                 // Since there is no way to tell _how_ a key was added, remove
    3815                 // both plain key and camelCase key. #12786
    3816                 // This will only penalize the array argument path.
    3817                 name = name.concat( jQuery.map( name, jQuery.camelCase ) );
    3818             }
    3819
    3820             i = name.length;
    3821             while ( i-- ) {
    3822                 delete thisCache[ name[i] ];
    3823             }
    3824
    3825             // If there is no data left in the cache, we want to continue
    3826             // and let the cache object itself get destroyed
    3827             if ( pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache) ) {
    3828                 return;
    3829             }
    3830         }
    3831     }
    3832
    3833     // See jQuery.data for more information
    3834     if ( !pvt ) {
    3835         delete cache[ id ].data;
    3836
    3837         // Don't destroy the parent cache unless the internal data object
    3838         // had been the only thing left in it
    3839         if ( !isEmptyDataObject( cache[ id ] ) ) {
    3840             return;
    3841         }
    3842     }
    3843
    3844     // Destroy the cache
    3845     if ( isNode ) {
    3846         jQuery.cleanData( [ elem ], true );
    3847
    3848     // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
    3849     /* jshint eqeqeq: false */
    3850     } else if ( support.deleteExpando || cache != cache.window ) {
    3851         /* jshint eqeqeq: true */
    3852         delete cache[ id ];
    3853
    3854     // When all else fails, null
    3855     } else {
    3856         cache[ id ] = null;
    3857     }
    3858 }
    3859
    3860 jQuery.extend({
    3861     cache: {},
    3862
    3863     // The following elements (space-suffixed to avoid Object.prototype collisions)
    3864     // throw uncatchable exceptions if you attempt to set expando properties
    3865     noData: {
    3866         "applet ": true,
    3867         "embed ": true,
    3868         // ...but Flash objects (which have this classid) *can* handle expandos
    3869         "object ": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
    3870     },
    3871
    3872     hasData: function( elem ) {
    3873         elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
    3874         return !!elem && !isEmptyDataObject( elem );
    3875     },
    3876
    3877     data: function( elem, name, data ) {
    3878         return internalData( elem, name, data );
    3879     },
    3880
    3881     removeData: function( elem, name ) {
    3882         return internalRemoveData( elem, name );
    3883     },
    3884
    3885     // For internal use only.
    3886     _data: function( elem, name, data ) {
    3887         return internalData( elem, name, data, true );
    3888     },
    3889
    3890     _removeData: function( elem, name ) {
    3891         return internalRemoveData( elem, name, true );
    3892     }
    3893 });
    3894
    3895 jQuery.fn.extend({
    3896     data: function( key, value ) {
    3897         var i, name, data,
    3898             elem = this[0],
    3899             attrs = elem && elem.attributes;
    3900
    3901         // Special expections of .data basically thwart jQuery.access,
    3902         // so implement the relevant behavior ourselves
    3903
    3904         // Gets all values
    3905         if ( key === undefined ) {
    3906             if ( this.length ) {
    3907                 data = jQuery.data( elem );
    3908
    3909                 if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
    3910                     i = attrs.length;
    3911                     while ( i-- ) {
    3912
    3913                         // Support: IE11+
    3914                         // The attrs elements can be null (#14894)
    3915                         if ( attrs[ i ] ) {
    3916                             name = attrs[ i ].name;
    3917                             if ( name.indexOf( "data-" ) === 0 ) {
    3918                                 name = jQuery.camelCase( name.slice(5) );
    3919                                 dataAttr( elem, name, data[ name ] );
    3920                             }
    3921                         }
    3922                     }
    3923                     jQuery._data( elem, "parsedAttrs", true );
    3924                 }
    3925             }
    3926
    3927             return data;
    3928         }
    3929
    3930         // Sets multiple values
    3931         if ( typeof key === "object" ) {
    3932             return this.each(function() {
    3933                 jQuery.data( this, key );
    3934             });
    3935         }
    3936
    3937         return arguments.length > 1 ?
    3938
    3939             // Sets one value
    3940             this.each(function() {
    3941                 jQuery.data( this, key, value );
    3942             }) :
    3943
    3944             // Gets one value
    3945             // Try to fetch any internally stored data first
    3946             elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : undefined;
    3947     },
    3948
    3949     removeData: function( key ) {
    3950         return this.each(function() {
    3951             jQuery.removeData( this, key );
    3952         });
    3953     }
    3954 });
    3955
    3956
    3957 jQuery.extend({
    3958     queue: function( elem, type, data ) {
    3959         var queue;
    3960
    3961         if ( elem ) {
    3962             type = ( type || "fx" ) + "queue";
    3963             queue = jQuery._data( elem, type );
    3964
    3965             // Speed up dequeue by getting out quickly if this is just a lookup
    3966             if ( data ) {
    3967                 if ( !queue || jQuery.isArray(data) ) {
    3968                     queue = jQuery._data( elem, type, jQuery.makeArray(data) );
    3969                 } else {
    3970                     queue.push( data );
    3971                 }
    3972             }
    3973             return queue || [];
    3974         }
    3975     },
    3976
    3977     dequeue: function( elem, type ) {
    3978         type = type || "fx";
    3979
    3980         var queue = jQuery.queue( elem, type ),
    3981             startLength = queue.length,
    3982             fn = queue.shift(),
    3983             hooks = jQuery._queueHooks( elem, type ),
    3984             next = function() {
    3985                 jQuery.dequeue( elem, type );
    3986             };
    3987
    3988         // If the fx queue is dequeued, always remove the progress sentinel
    3989         if ( fn === "inprogress" ) {
    3990             fn = queue.shift();
    3991             startLength--;
    3992         }
    3993
    3994         if ( fn ) {
    3995
    3996             // Add a progress sentinel to prevent the fx queue from being
    3997             // automatically dequeued
    3998             if ( type === "fx" ) {
    3999                 queue.unshift( "inprogress" );
    4000             }
    4001
    4002             // clear up the last queue stop function
    4003             delete hooks.stop;
    4004             fn.call( elem, next, hooks );
    4005         }
    4006
    4007         if ( !startLength && hooks ) {
    4008             hooks.empty.fire();
    4009         }
    4010     },
    4011
    4012     // not intended for public consumption - generates a queueHooks object, or returns the current one
    4013     _queueHooks: function( elem, type ) {
    4014         var key = type + "queueHooks";
    4015         return jQuery._data( elem, key ) || jQuery._data( elem, key, {
    4016             empty: jQuery.Callbacks("once memory").add(function() {
    4017                 jQuery._removeData( elem, type + "queue" );
    4018                 jQuery._removeData( elem, key );
    4019             })
    4020         });
    4021     }
    4022 });
    4023
    4024 jQuery.fn.extend({
    4025     queue: function( type, data ) {
    4026         var setter = 2;
    4027
    4028         if ( typeof type !== "string" ) {
    4029             data = type;
    4030             type = "fx";
    4031             setter--;
    4032         }
    4033
    4034         if ( arguments.length < setter ) {
    4035             return jQuery.queue( this[0], type );
    4036         }
    4037
    4038         return data === undefined ?
    4039             this :
    4040             this.each(function() {
    4041                 var queue = jQuery.queue( this, type, data );
    4042
    4043                 // ensure a hooks for this queue
    4044                 jQuery._queueHooks( this, type );
    4045
    4046                 if ( type === "fx" && queue[0] !== "inprogress" ) {
    4047                     jQuery.dequeue( this, type );
    4048                 }
    4049             });
    4050     },
    4051     dequeue: function( type ) {
    4052         return this.each(function() {
    4053             jQuery.dequeue( this, type );
    4054         });
    4055     },
    4056     clearQueue: function( type ) {
    4057         return this.queue( type || "fx", [] );
    4058     },
    4059     // Get a promise resolved when queues of a certain type
    4060     // are emptied (fx is the type by default)
    4061     promise: function( type, obj ) {
    4062         var tmp,
    4063             count = 1,
    4064             defer = jQuery.Deferred(),
    4065             elements = this,
    4066             i = this.length,
    4067             resolve = function() {
    4068                 if ( !( --count ) ) {
    4069                     defer.resolveWith( elements, [ elements ] );
    4070                 }
    4071             };
    4072
    4073         if ( typeof type !== "string" ) {
    4074             obj = type;
    4075             type = undefined;
    4076         }
    4077         type = type || "fx";
    4078
    4079         while ( i-- ) {
    4080             tmp = jQuery._data( elements[ i ], type + "queueHooks" );
    4081             if ( tmp && tmp.empty ) {
    4082                 count++;
    4083                 tmp.empty.add( resolve );
    4084             }
    4085         }
    4086         resolve();
    4087         return defer.promise( obj );
    4088     }
    4089 });
    4090 var pnum = (/[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/).source;
    4091
    4092 var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
    4093
    4094 var isHidden = function( elem, el ) {
    4095         // isHidden might be called from jQuery#filter function;
    4096         // in that case, element will be second argument
    4097         elem = el || elem;
    4098         return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
    4099     };
    4100
    4101
    4102
    4103 // Multifunctional method to get and set values of a collection
    4104 // The value/s can optionally be executed if it's a function
    4105 var access = jQuery.access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
    4106     var i = 0,
    4107         length = elems.length,
    4108         bulk = key == null;
    4109
    4110     // Sets many values
    4111     if ( jQuery.type( key ) === "object" ) {
    4112         chainable = true;
    4113         for ( i in key ) {
    4114             jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
    4115         }
    4116
    4117     // Sets one value
    4118     } else if ( value !== undefined ) {
    4119         chainable = true;
    4120
    4121         if ( !jQuery.isFunction( value ) ) {
    4122             raw = true;
    4123         }
    4124
    4125         if ( bulk ) {
    4126             // Bulk operations run against the entire set
    4127             if ( raw ) {
    4128                 fn.call( elems, value );
    4129                 fn = null;
    4130
    4131             // ...except when executing function values
    4132             } else {
    4133                 bulk = fn;
    4134                 fn = function( elem, key, value ) {
    4135                     return bulk.call( jQuery( elem ), value );
    4136                 };
    4137             }
    4138         }
    4139
    4140         if ( fn ) {
    4141             for ( ; i < length; i++ ) {
    4142                 fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
    4143             }
    4144         }
    4145     }
    4146
    4147     return chainable ?
    4148         elems :
    4149
    4150         // Gets
    4151         bulk ?
    4152             fn.call( elems ) :
    4153             length ? fn( elems[0], key ) : emptyGet;
    4154 };
    4155 var rcheckableType = (/^(?:checkbox|radio)$/i);
    4156
    4157
    4158
    4159 (function() {
    4160     // Minified: var a,b,c
    4161     var input = document.createElement( "input" ),
    4162         div = document.createElement( "div" ),
    4163         fragment = document.createDocumentFragment();
    4164
    4165     // Setup
    4166     div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
    4167
    4168     // IE strips leading whitespace when .innerHTML is used
    4169     support.leadingWhitespace = div.firstChild.nodeType === 3;
    4170
    4171     // Make sure that tbody elements aren't automatically inserted
    4172     // IE will insert them into empty tables
    4173     support.tbody = !div.getElementsByTagName( "tbody" ).length;
    4174
    4175     // Make sure that link elements get serialized correctly by innerHTML
    4176     // This requires a wrapper element in IE
    4177     support.htmlSerialize = !!div.getElementsByTagName( "link" ).length;
    4178
    4179     // Makes sure cloning an html5 element does not cause problems
    4180     // Where outerHTML is undefined, this still works
    4181     support.html5Clone =
    4182         document.createElement( "nav" ).cloneNode( true ).outerHTML !== "<:nav></:nav>";
    4183
    4184     // Check if a disconnected checkbox will retain its checked
    4185     // value of true after appended to the DOM (IE6/7)
    4186     input.type = "checkbox";
    4187     input.checked = true;
    4188     fragment.appendChild( input );
    4189     support.appendChecked = input.checked;
    4190
    4191     // Make sure textarea (and checkbox) defaultValue is properly cloned
    4192     // Support: IE6-IE11+
    4193     div.innerHTML = "<textarea>x</textarea>";
    4194     support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
    4195
    4196     // #11217 - WebKit loses check when the name is after the checked attribute
    4197     fragment.appendChild( div );
    4198     div.innerHTML = "<input type='radio' checked='checked' name='t'/>";
    4199
    4200     // Support: Safari 5.1, iOS 5.1, Android 4.x, Android 2.3
    4201     // old WebKit doesn't clone checked state correctly in fragments
    4202     support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
    4203
    4204     // Support: IE<9
    4205     // Opera does not clone events (and typeof div.attachEvent === undefined).
    4206     // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
    4207     support.noCloneEvent = true;
    4208     if ( div.attachEvent ) {
    4209         div.attachEvent( "onclick", function() {
    4210             support.noCloneEvent = false;
    4211         });
    4212
    4213         div.cloneNode( true ).click();
    4214     }
    4215
    4216     // Execute the test only if not already executed in another module.
    4217     if (support.deleteExpando == null) {
    4218         // Support: IE<9
    4219         support.deleteExpando = true;
    4220         try {
    4221             delete div.test;
    4222         } catch( e ) {
    4223             support.deleteExpando = false;
    4224         }
    4225     }
    4226 })();
    4227
    4228
    4229 (function() {
    4230     var i, eventName,
    4231         div = document.createElement( "div" );
    4232
    4233     // Support: IE<9 (lack submit/change bubble), Firefox 23+ (lack focusin event)
    4234     for ( i in { submit: true, change: true, focusin: true }) {
    4235         eventName = "on" + i;
    4236
    4237         if ( !(support[ i + "Bubbles" ] = eventName in window) ) {
    4238             // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
    4239             div.setAttribute( eventName, "t" );
    4240             support[ i + "Bubbles" ] = div.attributes[ eventName ].expando === false;
    4241         }
    4242     }
    4243
    4244     // Null elements to avoid leaks in IE.
    4245     div = null;
    4246 })();
    4247
    4248
    4249 var rformElems = /^(?:input|select|textarea)$/i,
    4250     rkeyEvent = /^key/,
    4251     rmouseEvent = /^(?:mouse|pointer|contextmenu)|click/,
    4252     rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
    4253     rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
    4254
    4255 function returnTrue() {
    4256     return true;
    4257 }
    4258
    4259 function returnFalse() {
    4260     return false;
    4261 }
    4262
    4263 function safeActiveElement() {
    4264     try {
    4265         return document.activeElement;
    4266     } catch ( err ) { }
    4267 }
    4268
    4269 /*
    4270  * Helper functions for managing events -- not part of the public interface.
    4271  * Props to Dean Edwards' addEvent library for many of the ideas.
    4272  */
    4273 jQuery.event = {
    4274
    4275     global: {},
    4276
    4277     add: function( elem, types, handler, data, selector ) {
    4278         var tmp, events, t, handleObjIn,
    4279             special, eventHandle, handleObj,
    4280             handlers, type, namespaces, origType,
    4281             elemData = jQuery._data( elem );
    4282
    4283         // Don't attach events to noData or text/comment nodes (but allow plain objects)
    4284         if ( !elemData ) {
    4285             return;
    4286         }
    4287
    4288         // Caller can pass in an object of custom data in lieu of the handler
    4289         if ( handler.handler ) {
    4290             handleObjIn = handler;
    4291             handler = handleObjIn.handler;
    4292             selector = handleObjIn.selector;
    4293         }
    4294
    4295         // Make sure that the handler has a unique ID, used to find/remove it later
    4296         if ( !handler.guid ) {
    4297             handler.guid = jQuery.guid++;
    4298         }
    4299
    4300         // Init the element's event structure and main handler, if this is the first
    4301         if ( !(events = elemData.events) ) {
    4302             events = elemData.events = {};
    4303         }
    4304         if ( !(eventHandle = elemData.handle) ) {
    4305             eventHandle = elemData.handle = function( e ) {
    4306                 // Discard the second event of a jQuery.event.trigger() and
    4307                 // when an event is called after a page has unloaded
    4308                 return typeof jQuery !== strundefined && (!e || jQuery.event.triggered !== e.type) ?
    4309                     jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
    4310                     undefined;
    4311             };
    4312             // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
    4313             eventHandle.elem = elem;
    4314         }
    4315
    4316         // Handle multiple events separated by a space
    4317         types = ( types || "" ).match( rnotwhite ) || [ "" ];
    4318         t = types.length;
    4319         while ( t-- ) {
    4320             tmp = rtypenamespace.exec( types[t] ) || [];
    4321             type = origType = tmp[1];
    4322             namespaces = ( tmp[2] || "" ).split( "." ).sort();
    4323
    4324             // There *must* be a type, no attaching namespace-only handlers
    4325             if ( !type ) {
    4326                 continue;
    4327             }
    4328
    4329             // If event changes its type, use the special event handlers for the changed type
    4330             special = jQuery.event.special[ type ] || {};
    4331
    4332             // If selector defined, determine special event api type, otherwise given type
    4333             type = ( selector ? special.delegateType : special.bindType ) || type;
    4334
    4335             // Update special based on newly reset type
    4336             special = jQuery.event.special[ type ] || {};
    4337
    4338             // handleObj is passed to all event handlers
    4339             handleObj = jQuery.extend({
    4340                 type: type,
    4341                 origType: origType,
    4342                 data: data,
    4343                 handler: handler,
    4344                 guid: handler.guid,
    4345                 selector: selector,
    4346                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
    4347                 namespace: namespaces.join(".")
    4348             }, handleObjIn );
    4349
    4350             // Init the event handler queue if we're the first
    4351             if ( !(handlers = events[ type ]) ) {
    4352                 handlers = events[ type ] = [];
    4353                 handlers.delegateCount = 0;
    4354
    4355                 // Only use addEventListener/attachEvent if the special events handler returns false
    4356                 if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
    4357                     // Bind the global event handler to the element
    4358                     if ( elem.addEventListener ) {
    4359                         elem.addEventListener( type, eventHandle, false );
    4360
    4361                     } else if ( elem.attachEvent ) {
    4362                         elem.attachEvent( "on" + type, eventHandle );
    4363                     }
    4364                 }
    4365             }
    4366
    4367             if ( special.add ) {
    4368                 special.add.call( elem, handleObj );
    4369
    4370                 if ( !handleObj.handler.guid ) {
    4371                     handleObj.handler.guid = handler.guid;
    4372                 }
    4373             }
    4374
    4375             // Add to the element's handler list, delegates in front
    4376             if ( selector ) {
    4377                 handlers.splice( handlers.delegateCount++, 0, handleObj );
    4378             } else {
    4379                 handlers.push( handleObj );
    4380             }
    4381
    4382             // Keep track of which events have ever been used, for event optimization
    4383             jQuery.event.global[ type ] = true;
    4384         }
    4385
    4386         // Nullify elem to prevent memory leaks in IE
    4387         elem = null;
    4388     },
    4389
    4390     // Detach an event or set of events from an element
    4391     remove: function( elem, types, handler, selector, mappedTypes ) {
    4392         var j, handleObj, tmp,
    4393             origCount, t, events,
    4394             special, handlers, type,
    4395             namespaces, origType,
    4396             elemData = jQuery.hasData( elem ) && jQuery._data( elem );
    4397
    4398         if ( !elemData || !(events = elemData.events) ) {
    4399             return;
    4400         }
    4401
    4402         // Once for each type.namespace in types; type may be omitted
    4403         types = ( types || "" ).match( rnotwhite ) || [ "" ];
    4404         t = types.length;
    4405         while ( t-- ) {
    4406             tmp = rtypenamespace.exec( types[t] ) || [];
    4407             type = origType = tmp[1];
    4408             namespaces = ( tmp[2] || "" ).split( "." ).sort();
    4409
    4410             // Unbind all events (on this namespace, if provided) for the element
    4411             if ( !type ) {
    4412                 for ( type in events ) {
    4413                     jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
    4414                 }
    4415                 continue;
    4416             }
    4417
    4418             special = jQuery.event.special[ type ] || {};
    4419             type = ( selector ? special.delegateType : special.bindType ) || type;
    4420             handlers = events[ type ] || [];
    4421             tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
    4422
    4423             // Remove matching events
    4424             origCount = j = handlers.length;
    4425             while ( j-- ) {
    4426                 handleObj = handlers[ j ];
    4427
    4428                 if ( ( mappedTypes || origType === handleObj.origType ) &&
    4429                     ( !handler || handler.guid === handleObj.guid ) &&
    4430                     ( !tmp || tmp.test( handleObj.namespace ) ) &&
    4431                     ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
    4432                     handlers.splice( j, 1 );
    4433
    4434                     if ( handleObj.selector ) {
    4435                         handlers.delegateCount--;
    4436                     }
    4437                     if ( special.remove ) {
    4438                         special.remove.call( elem, handleObj );
    4439                     }
    4440                 }
    4441             }
    4442
    4443             // Remove generic event handler if we removed something and no more handlers exist
    4444             // (avoids potential for endless recursion during removal of special event handlers)
    4445             if ( origCount && !handlers.length ) {
    4446                 if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
    4447                     jQuery.removeEvent( elem, type, elemData.handle );
    4448                 }
    4449
    4450                 delete events[ type ];
    4451             }
    4452         }
    4453
    4454         // Remove the expando if it's no longer used
    4455         if ( jQuery.isEmptyObject( events ) ) {
    4456             delete elemData.handle;
    4457
    4458             // removeData also checks for emptiness and clears the expando if empty
    4459             // so use it instead of delete
    4460             jQuery._removeData( elem, "events" );
    4461         }
    4462     },
    4463
    4464     trigger: function( event, data, elem, onlyHandlers ) {
    4465         var handle, ontype, cur,
    4466             bubbleType, special, tmp, i,
    4467             eventPath = [ elem || document ],
    4468             type = hasOwn.call( event, "type" ) ? event.type : event,
    4469             namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
    4470
    4471         cur = tmp = elem = elem || document;
    4472
    4473         // Don't do events on text and comment nodes
    4474         if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
    4475             return;
    4476         }
    4477
    4478         // focus/blur morphs to focusin/out; ensure we're not firing them right now
    4479         if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
    4480             return;
    4481         }
    4482
    4483         if ( type.indexOf(".") >= 0 ) {
    4484             // Namespaced trigger; create a regexp to match event type in handle()
    4485             namespaces = type.split(".");
    4486             type = namespaces.shift();
    4487             namespaces.sort();
    4488         }
    4489         ontype = type.indexOf(":") < 0 && "on" + type;
    4490
    4491         // Caller can pass in a jQuery.Event object, Object, or just an event type string
    4492         event = event[ jQuery.expando ] ?
    4493             event :
    4494             new jQuery.Event( type, typeof event === "object" && event );
    4495
    4496         // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
    4497         event.isTrigger = onlyHandlers ? 2 : 3;
    4498         event.namespace = namespaces.join(".");
    4499         event.namespace_re = event.namespace ?
    4500             new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
    4501             null;
    4502
    4503         // Clean up the event in case it is being reused
    4504         event.result = undefined;
    4505         if ( !event.target ) {
    4506             event.target = elem;
    4507         }
    4508
    4509         // Clone any incoming data and prepend the event, creating the handler arg list
    4510         data = data == null ?
    4511             [ event ] :
    4512             jQuery.makeArray( data, [ event ] );
    4513
    4514         // Allow special events to draw outside the lines
    4515         special = jQuery.event.special[ type ] || {};
    4516         if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
    4517             return;
    4518         }
    4519
    4520         // Determine event propagation path in advance, per W3C events spec (#9951)
    4521         // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
    4522         if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
    4523
    4524             bubbleType = special.delegateType || type;
    4525             if ( !rfocusMorph.test( bubbleType + type ) ) {
    4526                 cur = cur.parentNode;
    4527             }
    4528             for ( ; cur; cur = cur.parentNode ) {
    4529                 eventPath.push( cur );
    4530                 tmp = cur;
    4531             }
    4532
    4533             // Only add window if we got to document (e.g., not plain obj or detached DOM)
    4534             if ( tmp === (elem.ownerDocument || document) ) {
    4535                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
    4536             }
    4537         }
    4538
    4539         // Fire handlers on the event path
    4540         i = 0;
    4541         while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
    4542
    4543             event.type = i > 1 ?
    4544                 bubbleType :
    4545                 special.bindType || type;
    4546
    4547             // jQuery handler
    4548             handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
    4549             if ( handle ) {
    4550                 handle.apply( cur, data );
    4551             }
    4552
    4553             // Native handler
    4554             handle = ontype && cur[ ontype ];
    4555             if ( handle && handle.apply && jQuery.acceptData( cur ) ) {
    4556                 event.result = handle.apply( cur, data );
    4557                 if ( event.result === false ) {
    4558                     event.preventDefault();
    4559                 }
    4560             }
    4561         }
    4562         event.type = type;
    4563
    4564         // If nobody prevented the default action, do it now
    4565         if ( !onlyHandlers && !event.isDefaultPrevented() ) {
    4566
    4567             if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
    4568                 jQuery.acceptData( elem ) ) {
    4569
    4570                 // Call a native DOM method on the target with the same name name as the event.
    4571                 // Can't use an .isFunction() check here because IE6/7 fails that test.
    4572                 // Don't do default actions on window, that's where global variables be (#6170)
    4573                 if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
    4574
    4575                     // Don't re-trigger an onFOO event when we call its FOO() method
    4576                     tmp = elem[ ontype ];
    4577
    4578                     if ( tmp ) {
    4579                         elem[ ontype ] = null;
    4580                     }
    4581
    4582                     // Prevent re-triggering of the same event, since we already bubbled it above
    4583                     jQuery.event.triggered = type;
    4584                     try {
    4585                         elem[ type ]();
    4586                     } catch ( e ) {
    4587                         // IE<9 dies on focus/blur to hidden element (#1486,#12518)
    4588                         // only reproducible on winXP IE8 native, not IE9 in IE8 mode
    4589                     }
    4590                     jQuery.event.triggered = undefined;
    4591
    4592                     if ( tmp ) {
    4593                         elem[ ontype ] = tmp;
    4594                     }
    4595                 }
    4596             }
    4597         }
    4598
    4599         return event.result;
    4600     },
    4601
    4602     dispatch: function( event ) {
    4603
    4604         // Make a writable jQuery.Event from the native event object
    4605         event = jQuery.event.fix( event );
    4606
    4607         var i, ret, handleObj, matched, j,
    4608             handlerQueue = [],
    4609             args = slice.call( arguments ),
    4610             handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
    4611             special = jQuery.event.special[ event.type ] || {};
    4612
    4613         // Use the fix-ed jQuery.Event rather than the (read-only) native event
    4614         args[0] = event;
    4615         event.delegateTarget = this;
    4616
    4617         // Call the preDispatch hook for the mapped type, and let it bail if desired
    4618         if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
    4619             return;
    4620         }
    4621
    4622         // Determine handlers
    4623         handlerQueue = jQuery.event.handlers.call( this, event, handlers );
    4624
    4625         // Run delegates first; they may want to stop propagation beneath us
    4626         i = 0;
    4627         while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
    4628             event.currentTarget = matched.elem;
    4629
    4630             j = 0;
    4631             while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
    4632
    4633                 // Triggered event must either 1) have no namespace, or
    4634                 // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
    4635                 if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
    4636
    4637                     event.handleObj = handleObj;
    4638                     event.data = handleObj.data;
    4639
    4640                     ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
    4641                             .apply( matched.elem, args );
    4642
    4643                     if ( ret !== undefined ) {
    4644                         if ( (event.result = ret) === false ) {
    4645                             event.preventDefault();
    4646                             event.stopPropagation();
    4647                         }
    4648                     }
    4649                 }
    4650             }
    4651         }
    4652
    4653         // Call the postDispatch hook for the mapped type
    4654         if ( special.postDispatch ) {
    4655             special.postDispatch.call( this, event );
    4656         }
    4657
    4658         return event.result;
    4659     },
    4660
    4661     handlers: function( event, handlers ) {
    4662         var sel, handleObj, matches, i,
    4663             handlerQueue = [],
    4664             delegateCount = handlers.delegateCount,
    4665             cur = event.target;
    4666
    4667         // Find delegate handlers
    4668         // Black-hole SVG <use> instance trees (#13180)
    4669         // Avoid non-left-click bubbling in Firefox (#3861)
    4670         if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
    4671
    4672             /* jshint eqeqeq: false */
    4673             for ( ; cur != this; cur = cur.parentNode || this ) {
    4674                 /* jshint eqeqeq: true */
    4675
    4676                 // Don't check non-elements (#13208)
    4677                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
    4678                 if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
    4679                     matches = [];
    4680                     for ( i = 0; i < delegateCount; i++ ) {
    4681                         handleObj = handlers[ i ];
    4682
    4683                         // Don't conflict with Object.prototype properties (#13203)
    4684                         sel = handleObj.selector + " ";
    4685
    4686                         if ( matches[ sel ] === undefined ) {
    4687                             matches[ sel ] = handleObj.needsContext ?
    4688                                 jQuery( sel, this ).index( cur ) >= 0 :
    4689                                 jQuery.find( sel, this, null, [ cur ] ).length;
    4690                         }
    4691                         if ( matches[ sel ] ) {
    4692                             matches.push( handleObj );
    4693                         }
    4694                     }
    4695                     if ( matches.length ) {
    4696                         handlerQueue.push({ elem: cur, handlers: matches });
    4697                     }
    4698                 }
    4699             }
    4700         }
    4701
    4702         // Add the remaining (directly-bound) handlers
    4703         if ( delegateCount < handlers.length ) {
    4704             handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
    4705         }
    4706
    4707         return handlerQueue;
    4708     },
    4709
    4710     fix: function( event ) {
    4711         if ( event[ jQuery.expando ] ) {
    4712             return event;
    4713         }
    4714
    4715         // Create a writable copy of the event object and normalize some properties
    4716         var i, prop, copy,
    4717             type = event.type,
    4718             originalEvent = event,
    4719             fixHook = this.fixHooks[ type ];
    4720
    4721         if ( !fixHook ) {
    4722             this.fixHooks[ type ] = fixHook =
    4723                 rmouseEvent.test( type ) ? this.mouseHooks :
    4724                 rkeyEvent.test( type ) ? this.keyHooks :
    4725                 {};
    4726         }
    4727         copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
    4728
    4729         event = new jQuery.Event( originalEvent );
    4730
    4731         i = copy.length;
    4732         while ( i-- ) {
    4733             prop = copy[ i ];
    4734             event[ prop ] = originalEvent[ prop ];
    4735         }
    4736
    4737         // Support: IE<9
    4738         // Fix target property (#1925)
    4739         if ( !event.target ) {
    4740             event.target = originalEvent.srcElement || document;
    4741         }
    4742
    4743         // Support: Chrome 23+, Safari?
    4744         // Target should not be a text node (#504, #13143)
    4745         if ( event.target.nodeType === 3 ) {
    4746             event.target = event.target.parentNode;
    4747         }
    4748
    4749         // Support: IE<9
    4750         // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
    4751         event.metaKey = !!event.metaKey;
    4752
    4753         return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
    4754     },
    4755
    4756     // Includes some event props shared by KeyEvent and MouseEvent
    4757     props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
    4758
    4759     fixHooks: {},
    4760
    4761     keyHooks: {
    4762         props: "char charCode key keyCode".split(" "),
    4763         filter: function( event, original ) {
    4764
    4765             // Add which for key events
    4766             if ( event.which == null ) {
    4767                 event.which = original.charCode != null ? original.charCode : original.keyCode;
    4768             }
    4769
    4770             return event;
    4771         }
    4772     },
    4773
    4774     mouseHooks: {
    4775         props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
    4776         filter: function( event, original ) {
    4777             var body, eventDoc, doc,
    4778                 button = original.button,
    4779                 fromElement = original.fromElement;
    4780
    4781             // Calculate pageX/Y if missing and clientX/Y available
    4782             if ( event.pageX == null && original.clientX != null ) {
    4783                 eventDoc = event.target.ownerDocument || document;
    4784                 doc = eventDoc.documentElement;
    4785                 body = eventDoc.body;
    4786
    4787                 event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
    4788                 event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
    4789             }
    4790
    4791             // Add relatedTarget, if necessary
    4792             if ( !event.relatedTarget && fromElement ) {
    4793                 event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
    4794             }
    4795
    4796             // Add which for click: 1 === left; 2 === middle; 3 === right
    4797             // Note: button is not normalized, so don't use it
    4798             if ( !event.which && button !== undefined ) {
    4799                 event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
    4800             }
    4801
    4802             return event;
    4803         }
    4804     },
    4805
    4806     special: {
    4807         load: {
    4808             // Prevent triggered image.load events from bubbling to window.load
    4809             noBubble: true
    4810         },
    4811         focus: {
    4812             // Fire native event if possible so blur/focus sequence is correct
    4813             trigger: function() {
    4814                 if ( this !== safeActiveElement() && this.focus ) {
    4815                     try {
    4816                         this.focus();
    4817                         return false;
    4818                     } catch ( e ) {
    4819                         // Support: IE<9
    4820                         // If we error on focus to hidden element (#1486, #12518),
    4821                         // let .trigger() run the handlers
    4822                     }
    4823                 }
    4824             },
    4825             delegateType: "focusin"
    4826         },
    4827         blur: {
    4828             trigger: function() {
    4829                 if ( this === safeActiveElement() && this.blur ) {
    4830                     this.blur();
    4831                     return false;
    4832                 }
    4833             },
    4834             delegateType: "focusout"
    4835         },
    4836         click: {
    4837             // For checkbox, fire native event so checked state will be right
    4838             trigger: function() {
    4839                 if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
    4840                     this.click();
    4841                     return false;
    4842                 }
    4843             },
    4844
    4845             // For cross-browser consistency, don't fire native .click() on links
    4846             _default: function( event ) {
    4847                 return jQuery.nodeName( event.target, "a" );
    4848             }
    4849         },
    4850
    4851         beforeunload: {
    4852             postDispatch: function( event ) {
    4853
    4854                 // Support: Firefox 20+
    4855                 // Firefox doesn't alert if the returnValue field is not set.
    4856                 if ( event.result !== undefined && event.originalEvent ) {
    4857                     event.originalEvent.returnValue = event.result;
    4858                 }
    4859             }
    4860         }
    4861     },
    4862
    4863     simulate: function( type, elem, event, bubble ) {
    4864         // Piggyback on a donor event to simulate a different one.
    4865         // Fake originalEvent to avoid donor's stopPropagation, but if the
    4866         // simulated event prevents default then we do the same on the donor.
    4867         var e = jQuery.extend(
    4868             new jQuery.Event(),
    4869             event,
    4870             {
    4871                 type: type,
    4872                 isSimulated: true,
    4873                 originalEvent: {}
    4874             }
    4875         );
    4876         if ( bubble ) {
    4877             jQuery.event.trigger( e, null, elem );
    4878         } else {
    4879             jQuery.event.dispatch.call( elem, e );
    4880         }
    4881         if ( e.isDefaultPrevented() ) {
    4882             event.preventDefault();
    4883         }
    4884     }
    4885 };
    4886
    4887 jQuery.removeEvent = document.removeEventListener ?
    4888     function( elem, type, handle ) {
    4889         if ( elem.removeEventListener ) {
    4890             elem.removeEventListener( type, handle, false );
    4891         }
    4892     } :
    4893     function( elem, type, handle ) {
    4894         var name = "on" + type;
    4895
    4896         if ( elem.detachEvent ) {
    4897
    4898             // #8545, #7054, preventing memory leaks for custom events in IE6-8
    4899             // detachEvent needed property on element, by name of that event, to properly expose it to GC
    4900             if ( typeof elem[ name ] === strundefined ) {
    4901                 elem[ name ] = null;
    4902             }
    4903
    4904             elem.detachEvent( name, handle );
    4905         }
    4906     };
    4907
    4908 jQuery.Event = function( src, props ) {
    4909     // Allow instantiation without the 'new' keyword
    4910     if ( !(this instanceof jQuery.Event) ) {
    4911         return new jQuery.Event( src, props );
    4912     }
    4913
    4914     // Event object
    4915     if ( src && src.type ) {
    4916         this.originalEvent = src;
    4917         this.type = src.type;
    4918
    4919         // Events bubbling up the document may have been marked as prevented
    4920         // by a handler lower down the tree; reflect the correct value.
    4921         this.isDefaultPrevented = src.defaultPrevented ||
    4922                 src.defaultPrevented === undefined &&
    4923                 // Support: IE < 9, Android < 4.0
    4924                 src.returnValue === false ?
    4925             returnTrue :
    4926             returnFalse;
    4927
    4928     // Event type
    4929     } else {
    4930         this.type = src;
    4931     }
    4932
    4933     // Put explicitly provided properties onto the event object
    4934     if ( props ) {
    4935         jQuery.extend( this, props );
    4936     }
    4937
    4938     // Create a timestamp if incoming event doesn't have one
    4939     this.timeStamp = src && src.timeStamp || jQuery.now();
    4940
    4941     // Mark it as fixed
    4942     this[ jQuery.expando ] = true;
    4943 };
    4944
    4945 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
    4946 // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
    4947 jQuery.Event.prototype = {
    4948     isDefaultPrevented: returnFalse,
    4949     isPropagationStopped: returnFalse,
    4950     isImmediatePropagationStopped: returnFalse,
    4951
    4952     preventDefault: function() {
    4953         var e = this.originalEvent;
    4954
    4955         this.isDefaultPrevented = returnTrue;
    4956         if ( !e ) {
    4957             return;
    4958         }
    4959
    4960         // If preventDefault exists, run it on the original event
    4961         if ( e.preventDefault ) {
    4962             e.preventDefault();
    4963
    4964         // Support: IE
    4965         // Otherwise set the returnValue property of the original event to false
    4966         } else {
    4967             e.returnValue = false;
    4968         }
    4969     },
    4970     stopPropagation: function() {
    4971         var e = this.originalEvent;
    4972
    4973         this.isPropagationStopped = returnTrue;
    4974         if ( !e ) {
    4975             return;
    4976         }
    4977         // If stopPropagation exists, run it on the original event
    4978         if ( e.stopPropagation ) {
    4979             e.stopPropagation();
    4980         }
    4981
    4982         // Support: IE
    4983         // Set the cancelBubble property of the original event to true
    4984         e.cancelBubble = true;
    4985     },
    4986     stopImmediatePropagation: function() {
    4987         var e = this.originalEvent;
    4988
    4989         this.isImmediatePropagationStopped = returnTrue;
    4990
    4991         if ( e && e.stopImmediatePropagation ) {
    4992             e.stopImmediatePropagation();
    4993         }
    4994
    4995         this.stopPropagation();
    4996     }
    4997 };
    4998
    4999 // Create mouseenter/leave events using mouseover/out and event-time checks
    5000 jQuery.each({
    5001     mouseenter: "mouseover",
    5002     mouseleave: "mouseout",
    5003     pointerenter: "pointerover",
    5004     pointerleave: "pointerout"
    5005 }, function( orig, fix ) {
    5006     jQuery.event.special[ orig ] = {
    5007         delegateType: fix,
    5008         bindType: fix,
    5009
    5010         handle: function( event ) {
    5011             var ret,
    5012                 target = this,
    5013                 related = event.relatedTarget,
    5014                 handleObj = event.handleObj;
    5015
    5016             // For mousenter/leave call the handler if related is outside the target.
    5017             // NB: No relatedTarget if the mouse left/entered the browser window
    5018             if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
    5019                 event.type = handleObj.origType;
    5020                 ret = handleObj.handler.apply( this, arguments );
    5021                 event.type = fix;
    5022             }
    5023             return ret;
    5024         }
    5025     };
    5026 });
    5027
    5028 // IE submit delegation
    5029 if ( !support.submitBubbles ) {
    5030
    5031     jQuery.event.special.submit = {
    5032         setup: function() {
    5033             // Only need this for delegated form submit events
    5034             if ( jQuery.nodeName( this, "form" ) ) {
    5035                 return false;
    5036             }
    5037
    5038             // Lazy-add a submit handler when a descendant form may potentially be submitted
    5039             jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
    5040                 // Node name check avoids a VML-related crash in IE (#9807)
    5041                 var elem = e.target,
    5042                     form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
    5043                 if ( form && !jQuery._data( form, "submitBubbles" ) ) {
    5044                     jQuery.event.add( form, "submit._submit", function( event ) {
    5045                         event._submit_bubble = true;
    5046                     });
    5047                     jQuery._data( form, "submitBubbles", true );
    5048                 }
    5049             });
    5050             // return undefined since we don't need an event listener
    5051         },
    5052
    5053         postDispatch: function( event ) {
    5054             // If form was submitted by the user, bubble the event up the tree
    5055             if ( event._submit_bubble ) {
    5056                 delete event._submit_bubble;
    5057                 if ( this.parentNode && !event.isTrigger ) {
    5058                     jQuery.event.simulate( "submit", this.parentNode, event, true );
    5059                 }
    5060             }
    5061         },
    5062
    5063         teardown: function() {
    5064             // Only need this for delegated form submit events
    5065             if ( jQuery.nodeName( this, "form" ) ) {
    5066                 return false;
    5067             }
    5068
    5069             // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
    5070             jQuery.event.remove( this, "._submit" );
    5071         }
    5072     };
    5073 }
    5074
    5075 // IE change delegation and checkbox/radio fix
    5076 if ( !support.changeBubbles ) {
    5077
    5078     jQuery.event.special.change = {
    5079
    5080         setup: function() {
    5081
    5082             if ( rformElems.test( this.nodeName ) ) {
    5083                 // IE doesn't fire change on a check/radio until blur; trigger it on click
    5084                 // after a propertychange. Eat the blur-change in special.change.handle.
    5085                 // This still fires onchange a second time for check/radio after blur.
    5086                 if ( this.type === "checkbox" || this.type === "radio" ) {
    5087                     jQuery.event.add( this, "propertychange._change", function( event ) {
    5088                         if ( event.originalEvent.propertyName === "checked" ) {
    5089                             this._just_changed = true;
    5090                         }
    5091                     });
    5092                     jQuery.event.add( this, "click._change", function( event ) {
    5093                         if ( this._just_changed && !event.isTrigger ) {
    5094                             this._just_changed = false;
    5095                         }
    5096                         // Allow triggered, simulated change events (#11500)
    5097                         jQuery.event.simulate( "change", this, event, true );
    5098                     });
    5099                 }
    5100                 return false;
    5101             }
    5102             // Delegated event; lazy-add a change handler on descendant inputs
    5103             jQuery.event.add( this, "beforeactivate._change", function( e ) {
    5104                 var elem = e.target;
    5105
    5106                 if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
    5107                     jQuery.event.add( elem, "change._change", function( event ) {
    5108                         if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
    5109                             jQuery.event.simulate( "change", this.parentNode, event, true );
    5110                         }
    5111                     });
    5112                     jQuery._data( elem, "changeBubbles", true );
    5113                 }
    5114             });
    5115         },
    5116
    5117         handle: function( event ) {
    5118             var elem = event.target;
    5119
    5120             // Swallow native change events from checkbox/radio, we already triggered them above
    5121             if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
    5122                 return event.handleObj.handler.apply( this, arguments );
    5123             }
    5124         },
    5125
    5126         teardown: function() {
    5127             jQuery.event.remove( this, "._change" );
    5128
    5129             return !rformElems.test( this.nodeName );
    5130         }
    5131     };
    5132 }
    5133
    5134 // Create "bubbling" focus and blur events
    5135 if ( !support.focusinBubbles ) {
    5136     jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
    5137
    5138         // Attach a single capturing handler on the document while someone wants focusin/focusout
    5139         var handler = function( event ) {
    5140                 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
    5141             };
    5142
    5143         jQuery.event.special[ fix ] = {
    5144             setup: function() {
    5145                 var doc = this.ownerDocument || this,
    5146                     attaches = jQuery._data( doc, fix );
    5147
    5148                 if ( !attaches ) {
    5149                     doc.addEventListener( orig, handler, true );
    5150                 }
    5151                 jQuery._data( doc, fix, ( attaches || 0 ) + 1 );
    5152             },
    5153             teardown: function() {
    5154                 var doc = this.ownerDocument || this,
    5155                     attaches = jQuery._data( doc, fix ) - 1;
    5156
    5157                 if ( !attaches ) {
    5158                     doc.removeEventListener( orig, handler, true );
    5159                     jQuery._removeData( doc, fix );
    5160                 } else {
    5161                     jQuery._data( doc, fix, attaches );
    5162                 }
    5163             }
    5164         };
    5165     });
    5166 }
    5167
    5168 jQuery.fn.extend({
    5169
    5170     on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
    5171         var type, origFn;
    5172
    5173         // Types can be a map of types/handlers
    5174         if ( typeof types === "object" ) {
    5175             // ( types-Object, selector, data )
    5176             if ( typeof selector !== "string" ) {
    5177                 // ( types-Object, data )
    5178                 data = data || selector;
    5179                 selector = undefined;
    5180             }
    5181             for ( type in types ) {
    5182                 this.on( type, selector, data, types[ type ], one );
    5183             }
    5184             return this;
    5185         }
    5186
    5187         if ( data == null && fn == null ) {
    5188             // ( types, fn )
    5189             fn = selector;
    5190             data = selector = undefined;
    5191         } else if ( fn == null ) {
    5192             if ( typeof selector === "string" ) {
    5193                 // ( types, selector, fn )
    5194                 fn = data;
    5195                 data = undefined;
    5196             } else {
    5197                 // ( types, data, fn )
    5198                 fn = data;
    5199                 data = selector;
    5200                 selector = undefined;
    5201             }
    5202         }
    5203         if ( fn === false ) {
    5204             fn = returnFalse;
    5205         } else if ( !fn ) {
    5206             return this;
    5207         }
    5208
    5209         if ( one === 1 ) {
    5210             origFn = fn;
    5211             fn = function( event ) {
    5212                 // Can use an empty set, since event contains the info
    5213                 jQuery().off( event );
    5214                 return origFn.apply( this, arguments );
    5215             };
    5216             // Use same guid so caller can remove using origFn
    5217             fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
    5218         }
    5219         return this.each( function() {
    5220             jQuery.event.add( this, types, fn, data, selector );
    5221         });
    5222     },
    5223     one: function( types, selector, data, fn ) {
    5224         return this.on( types, selector, data, fn, 1 );
    5225     },
    5226     off: function( types, selector, fn ) {
    5227         var handleObj, type;
    5228         if ( types && types.preventDefault && types.handleObj ) {
    5229             // ( event )  dispatched jQuery.Event
    5230             handleObj = types.handleObj;
    5231             jQuery( types.delegateTarget ).off(
    5232                 handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
    5233                 handleObj.selector,
    5234                 handleObj.handler
    5235             );
    5236             return this;
    5237         }
    5238         if ( typeof types === "object" ) {
    5239             // ( types-object [, selector] )
    5240             for ( type in types ) {
    5241                 this.off( type, selector, types[ type ] );
    5242             }
    5243             return this;
    5244         }
    5245         if ( selector === false || typeof selector === "function" ) {
    5246             // ( types [, fn] )
    5247             fn = selector;
    5248             selector = undefined;
    5249         }
    5250         if ( fn === false ) {
    5251             fn = returnFalse;
    5252         }
    5253         return this.each(function() {
    5254             jQuery.event.remove( this, types, fn, selector );
    5255         });
    5256     },
    5257
    5258     trigger: function( type, data ) {
    5259         return this.each(function() {
    5260             jQuery.event.trigger( type, data, this );
    5261         });
    5262     },
    5263     triggerHandler: function( type, data ) {
    5264         var elem = this[0];
    5265         if ( elem ) {
    5266             return jQuery.event.trigger( type, data, elem, true );
    5267         }
    5268     }
    5269 });
    5270
    5271
    5272 function createSafeFragment( document ) {
    5273     var list = nodeNames.split( "|" ),
    5274         safeFrag = document.createDocumentFragment();
    5275
    5276     if ( safeFrag.createElement ) {
    5277         while ( list.length ) {
    5278             safeFrag.createElement(
    5279                 list.pop()
    5280             );
    5281         }
    5282     }
    5283     return safeFrag;
    5284 }
    5285
    5286 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
    5287         "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
    5288     rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
    5289     rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
    5290     rleadingWhitespace = /^\s+/,
    5291     rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
    5292     rtagName = /<([\w:]+)/,
    5293     rtbody = /<tbody/i,
    5294     rhtml = /<|&#?\w+;/,
    5295     rnoInnerhtml = /<(?:script|style|link)/i,
    5296     // checked="checked" or checked
    5297     rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
    5298     rscriptType = /^$|\/(?:java|ecma)script/i,
    5299     rscriptTypeMasked = /^true\/(.*)/,
    5300     rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
    5301
    5302     // We have to close these tags to support XHTML (#13200)
    5303     wrapMap = {
    5304         option: [ 1, "<select multiple='multiple'>", "</select>" ],
    5305         legend: [ 1, "<fieldset>", "</fieldset>" ],
    5306         area: [ 1, "<map>", "</map>" ],
    5307         param: [ 1, "<object>", "</object>" ],
    5308         thead: [ 1, "<table>", "</table>" ],
    5309         tr: [ 2, "<table><tbody>", "</tbody></table>" ],
    5310         col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
    5311         td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
    5312
    5313         // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
    5314         // unless wrapped in a div with non-breaking characters in front of it.
    5315         _default: support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
    5316     },
    5317     safeFragment = createSafeFragment( document ),
    5318     fragmentDiv = safeFragment.appendChild( document.createElement("div") );
    5319
    5320 wrapMap.optgroup = wrapMap.option;
    5321 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
    5322 wrapMap.th = wrapMap.td;
    5323
    5324 function getAll( context, tag ) {
    5325     var elems, elem,
    5326         i = 0,
    5327         found = typeof context.getElementsByTagName !== strundefined ? context.getElementsByTagName( tag || "*" ) :
    5328             typeof context.querySelectorAll !== strundefined ? context.querySelectorAll( tag || "*" ) :
    5329             undefined;
    5330
    5331     if ( !found ) {
    5332         for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
    5333             if ( !tag || jQuery.nodeName( elem, tag ) ) {
    5334                 found.push( elem );
    5335             } else {
    5336                 jQuery.merge( found, getAll( elem, tag ) );
    5337             }
    5338         }
    5339     }
    5340
    5341     return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
    5342         jQuery.merge( [ context ], found ) :
    5343         found;
    5344 }
    5345
    5346 // Used in buildFragment, fixes the defaultChecked property
    5347 function fixDefaultChecked( elem ) {
    5348     if ( rcheckableType.test( elem.type ) ) {
    5349         elem.defaultChecked = elem.checked;
    5350     }
    5351 }
    5352
    5353 // Support: IE<8
    5354 // Manipulating tables requires a tbody
    5355 function manipulationTarget( elem, content ) {
    5356     return jQuery.nodeName( elem, "table" ) &&
    5357         jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ?
    5358
    5359         elem.getElementsByTagName("tbody")[0] ||
    5360             elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
    5361         elem;
    5362 }
    5363
    5364 // Replace/restore the type attribute of script elements for safe DOM manipulation
    5365 function disableScript( elem ) {
    5366     elem.type = (jQuery.find.attr( elem, "type" ) !== null) + "/" + elem.type;
    5367     return elem;
    5368 }
    5369 function restoreScript( elem ) {
    5370     var match = rscriptTypeMasked.exec( elem.type );
    5371     if ( match ) {
    5372         elem.type = match[1];
    5373     } else {
    5374         elem.removeAttribute("type");
    5375     }
    5376     return elem;
    5377 }
    5378
    5379 // Mark scripts as having already been evaluated
    5380 function setGlobalEval( elems, refElements ) {
    5381     var elem,
    5382         i = 0;
    5383     for ( ; (elem = elems[i]) != null; i++ ) {
    5384         jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
    5385     }
    5386 }
    5387
    5388 function cloneCopyEvent( src, dest ) {
    5389
    5390     if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
    5391         return;
    5392     }
    5393
    5394     var type, i, l,
    5395         oldData = jQuery._data( src ),
    5396         curData = jQuery._data( dest, oldData ),
    5397         events = oldData.events;
    5398
    5399     if ( events ) {
    5400         delete curData.handle;
    5401         curData.events = {};
    5402
    5403         for ( type in events ) {
    5404             for ( i = 0, l = events[ type ].length; i < l; i++ ) {
    5405                 jQuery.event.add( dest, type, events[ type ][ i ] );
    5406             }
    5407         }
    5408     }
    5409
    5410     // make the cloned public data object a copy from the original
    5411     if ( curData.data ) {
    5412         curData.data = jQuery.extend( {}, curData.data );
    5413     }
    5414 }
    5415
    5416 function fixCloneNodeIssues( src, dest ) {
    5417     var nodeName, e, data;
    5418
    5419     // We do not need to do anything for non-Elements
    5420     if ( dest.nodeType !== 1 ) {
    5421         return;
    5422     }
    5423
    5424     nodeName = dest.nodeName.toLowerCase();
    5425
    5426     // IE6-8 copies events bound via attachEvent when using cloneNode.
    5427     if ( !support.noCloneEvent && dest[ jQuery.expando ] ) {
    5428         data = jQuery._data( dest );
    5429
    5430         for ( e in data.events ) {
    5431             jQuery.removeEvent( dest, e, data.handle );
    5432         }
    5433
    5434         // Event data gets referenced instead of copied if the expando gets copied too
    5435         dest.removeAttribute( jQuery.expando );
    5436     }
    5437
    5438     // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
    5439     if ( nodeName === "script" && dest.text !== src.text ) {
    5440         disableScript( dest ).text = src.text;
    5441         restoreScript( dest );
    5442
    5443     // IE6-10 improperly clones children of object elements using classid.
    5444     // IE10 throws NoModificationAllowedError if parent is null, #12132.
    5445     } else if ( nodeName === "object" ) {
    5446         if ( dest.parentNode ) {
    5447             dest.outerHTML = src.outerHTML;
    5448         }
    5449
    5450         // This path appears unavoidable for IE9. When cloning an object
    5451         // element in IE9, the outerHTML strategy above is not sufficient.
    5452         // If the src has innerHTML and the destination does not,
    5453         // copy the src.innerHTML into the dest.innerHTML. #10324
    5454         if ( support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
    5455             dest.innerHTML = src.innerHTML;
    5456         }
    5457
    5458     } else if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
    5459         // IE6-8 fails to persist the checked state of a cloned checkbox
    5460         // or radio button. Worse, IE6-7 fail to give the cloned element
    5461         // a checked appearance if the defaultChecked value isn't also set
    5462
    5463         dest.defaultChecked = dest.checked = src.checked;
    5464
    5465         // IE6-7 get confused and end up setting the value of a cloned
    5466         // checkbox/radio button to an empty string instead of "on"
    5467         if ( dest.value !== src.value ) {
    5468             dest.value = src.value;
    5469         }
    5470
    5471     // IE6-8 fails to return the selected option to the default selected
    5472     // state when cloning options
    5473     } else if ( nodeName === "option" ) {
    5474         dest.defaultSelected = dest.selected = src.defaultSelected;
    5475
    5476     // IE6-8 fails to set the defaultValue to the correct value when
    5477     // cloning other types of input fields
    5478     } else if ( nodeName === "input" || nodeName === "textarea" ) {
    5479         dest.defaultValue = src.defaultValue;
    5480     }
    5481 }
    5482
    5483 jQuery.extend({
    5484     clone: function( elem, dataAndEvents, deepDataAndEvents ) {
    5485         var destElements, node, clone, i, srcElements,
    5486             inPage = jQuery.contains( elem.ownerDocument, elem );
    5487
    5488         if ( support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
    5489             clone = elem.cloneNode( true );
    5490
    5491         // IE<=8 does not properly clone detached, unknown element nodes
    5492         } else {
    5493             fragmentDiv.innerHTML = elem.outerHTML;
    5494             fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
    5495         }
    5496
    5497         if ( (!support.noCloneEvent || !support.noCloneChecked) &&
    5498                 (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
    5499
    5500             // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
    5501             destElements = getAll( clone );
    5502             srcElements = getAll( elem );
    5503
    5504             // Fix all IE cloning issues
    5505             for ( i = 0; (node = srcElements[i]) != null; ++i ) {
    5506                 // Ensure that the destination node is not null; Fixes #9587
    5507                 if ( destElements[i] ) {
    5508                     fixCloneNodeIssues( node, destElements[i] );
    5509                 }
    5510             }
    5511         }
    5512
    5513         // Copy the events from the original to the clone
    5514         if ( dataAndEvents ) {
    5515             if ( deepDataAndEvents ) {
    5516                 srcElements = srcElements || getAll( elem );
    5517                 destElements = destElements || getAll( clone );
    5518
    5519                 for ( i = 0; (node = srcElements[i]) != null; i++ ) {
    5520                     cloneCopyEvent( node, destElements[i] );
    5521                 }
    5522             } else {
    5523                 cloneCopyEvent( elem, clone );
    5524             }
    5525         }
    5526
    5527         // Preserve script evaluation history
    5528         destElements = getAll( clone, "script" );
    5529         if ( destElements.length > 0 ) {
    5530             setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
    5531         }
    5532
    5533         destElements = srcElements = node = null;
    5534
    5535         // Return the cloned set
    5536         return clone;
    5537     },
    5538
    5539     buildFragment: function( elems, context, scripts, selection ) {
    5540         var j, elem, contains,
    5541             tmp, tag, tbody, wrap,
    5542             l = elems.length,
    5543
    5544             // Ensure a safe fragment
    5545             safe = createSafeFragment( context ),
    5546
    5547             nodes = [],
    5548             i = 0;
    5549
    5550         for ( ; i < l; i++ ) {
    5551             elem = elems[ i ];
    5552
    5553             if ( elem || elem === 0 ) {
    5554
    5555                 // Add nodes directly
    5556                 if ( jQuery.type( elem ) === "object" ) {
    5557                     jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
    5558
    5559                 // Convert non-html into a text node
    5560                 } else if ( !rhtml.test( elem ) ) {
    5561                     nodes.push( context.createTextNode( elem ) );
    5562
    5563                 // Convert html into DOM nodes
    5564                 } else {
    5565                     tmp = tmp || safe.appendChild( context.createElement("div") );
    5566
    5567                     // Deserialize a standard representation
    5568                     tag = (rtagName.exec( elem ) || [ "", "" ])[ 1 ].toLowerCase();
    5569                     wrap = wrapMap[ tag ] || wrapMap._default;
    5570
    5571                     tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
    5572
    5573                     // Descend through wrappers to the right content
    5574                     j = wrap[0];
    5575                     while ( j-- ) {
    5576                         tmp = tmp.lastChild;
    5577                     }
    5578
    5579                     // Manually add leading whitespace removed by IE
    5580                     if ( !support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
    5581                         nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
    5582                     }
    5583
    5584                     // Remove IE's autoinserted <tbody> from table fragments
    5585                     if ( !support.tbody ) {
    5586
    5587                         // String was a <table>, *may* have spurious <tbody>
    5588                         elem = tag === "table" && !rtbody.test( elem ) ?
    5589                             tmp.firstChild :
    5590
    5591                             // String was a bare <thead> or <tfoot>
    5592                             wrap[1] === "<table>" && !rtbody.test( elem ) ?
    5593                                 tmp :
    5594                                 0;
    5595
    5596                         j = elem && elem.childNodes.length;
    5597                         while ( j-- ) {
    5598                             if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
    5599                                 elem.removeChild( tbody );
    5600                             }
    5601                         }
    5602                     }
    5603
    5604                     jQuery.merge( nodes, tmp.childNodes );
    5605
    5606                     // Fix #12392 for WebKit and IE > 9
    5607                     tmp.textContent = "";
    5608
    5609                     // Fix #12392 for oldIE
    5610                     while ( tmp.firstChild ) {
    5611                         tmp.removeChild( tmp.firstChild );
    5612                     }
    5613
    5614                     // Remember the top-level container for proper cleanup
    5615                     tmp = safe.lastChild;
    5616                 }
    5617             }
    5618         }
    5619
    5620         // Fix #11356: Clear elements from fragment
    5621         if ( tmp ) {
    5622             safe.removeChild( tmp );
    5623         }
    5624
    5625         // Reset defaultChecked for any radios and checkboxes
    5626         // about to be appended to the DOM in IE 6/7 (#8060)
    5627         if ( !support.appendChecked ) {
    5628             jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
    5629         }
    5630
    5631         i = 0;
    5632         while ( (elem = nodes[ i++ ]) ) {
    5633
    5634             // #4087 - If origin and destination elements are the same, and this is
    5635             // that element, do not do anything
    5636             if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
    5637                 continue;
    5638             }
    5639
    5640             contains = jQuery.contains( elem.ownerDocument, elem );
    5641
    5642             // Append to fragment
    5643             tmp = getAll( safe.appendChild( elem ), "script" );
    5644
    5645             // Preserve script evaluation history
    5646             if ( contains ) {
    5647                 setGlobalEval( tmp );
    5648             }
    5649
    5650             // Capture executables
    5651             if ( scripts ) {
    5652                 j = 0;
    5653                 while ( (elem = tmp[ j++ ]) ) {
    5654                     if ( rscriptType.test( elem.type || "" ) ) {
    5655                         scripts.push( elem );
    5656                     }
    5657                 }
    5658             }
    5659         }
    5660
    5661         tmp = null;
    5662
    5663         return safe;
    5664     },
    5665
    5666     cleanData: function( elems, /* internal */ acceptData ) {
    5667         var elem, type, id, data,
    5668             i = 0,
    5669             internalKey = jQuery.expando,
    5670             cache = jQuery.cache,
    5671             deleteExpando = support.deleteExpando,
    5672             special = jQuery.event.special;
    5673
    5674         for ( ; (elem = elems[i]) != null; i++ ) {
    5675             if ( acceptData || jQuery.acceptData( elem ) ) {
    5676
    5677                 id = elem[ internalKey ];
    5678                 data = id && cache[ id ];
    5679
    5680                 if ( data ) {
    5681                     if ( data.events ) {
    5682                         for ( type in data.events ) {
    5683                             if ( special[ type ] ) {
    5684                                 jQuery.event.remove( elem, type );
    5685
    5686                             // This is a shortcut to avoid jQuery.event.remove's overhead
    5687                             } else {
    5688                                 jQuery.removeEvent( elem, type, data.handle );
    5689                             }
    5690                         }
    5691                     }
    5692
    5693                     // Remove cache only if it was not already removed by jQuery.event.remove
    5694                     if ( cache[ id ] ) {
    5695
    5696                         delete cache[ id ];
    5697
    5698                         // IE does not allow us to delete expando properties from nodes,
    5699                         // nor does it have a removeAttribute function on Document nodes;
    5700                         // we must handle all of these cases
    5701                         if ( deleteExpando ) {
    5702                             delete elem[ internalKey ];
    5703
    5704                         } else if ( typeof elem.removeAttribute !== strundefined ) {
    5705                             elem.removeAttribute( internalKey );
    5706
    5707                         } else {
    5708                             elem[ internalKey ] = null;
    5709                         }
    5710
    5711                         deletedIds.push( id );
    5712                     }
    5713                 }
    5714             }
    5715         }
    5716     }
    5717 });
    5718
    5719 jQuery.fn.extend({
    5720     text: function( value ) {
    5721         return access( this, function( value ) {
    5722             return value === undefined ?
    5723                 jQuery.text( this ) :
    5724                 this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
    5725         }, null, value, arguments.length );
    5726     },
    5727
    5728     append: function() {
    5729         return this.domManip( arguments, function( elem ) {
    5730             if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
    5731                 var target = manipulationTarget( this, elem );
    5732                 target.appendChild( elem );
    5733             }
    5734         });
    5735     },
    5736
    5737     prepend: function() {
    5738         return this.domManip( arguments, function( elem ) {
    5739             if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
    5740                 var target = manipulationTarget( this, elem );
    5741                 target.insertBefore( elem, target.firstChild );
    5742             }
    5743         });
    5744     },
    5745
    5746     before: function() {
    5747         return this.domManip( arguments, function( elem ) {
    5748             if ( this.parentNode ) {
    5749                 this.parentNode.insertBefore( elem, this );
    5750             }
    5751         });
    5752     },
    5753
    5754     after: function() {
    5755         return this.domManip( arguments, function( elem ) {
    5756             if ( this.parentNode ) {
    5757                 this.parentNode.insertBefore( elem, this.nextSibling );
    5758             }
    5759         });
    5760     },
    5761
    5762     remove: function( selector, keepData /* Internal Use Only */ ) {
    5763         var elem,
    5764             elems = selector ? jQuery.filter( selector, this ) : this,
    5765             i = 0;
    5766
    5767         for ( ; (elem = elems[i]) != null; i++ ) {
    5768
    5769             if ( !keepData && elem.nodeType === 1 ) {
    5770                 jQuery.cleanData( getAll( elem ) );
    5771             }
    5772
    5773             if ( elem.parentNode ) {
    5774                 if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
    5775                     setGlobalEval( getAll( elem, "script" ) );
    5776                 }
    5777                 elem.parentNode.removeChild( elem );
    5778             }
    5779         }
    5780
    5781         return this;
    5782     },
    5783
    5784     empty: function() {
    5785         var elem,
    5786             i = 0;
    5787
    5788         for ( ; (elem = this[i]) != null; i++ ) {
    5789             // Remove element nodes and prevent memory leaks
    5790             if ( elem.nodeType === 1 ) {
    5791                 jQuery.cleanData( getAll( elem, false ) );
    5792             }
    5793
    5794             // Remove any remaining nodes
    5795             while ( elem.firstChild ) {
    5796                 elem.removeChild( elem.firstChild );
    5797             }
    5798
    5799             // If this is a select, ensure that it displays empty (#12336)
    5800             // Support: IE<9
    5801             if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
    5802                 elem.options.length = 0;
    5803             }
    5804         }
    5805
    5806         return this;
    5807     },
    5808
    5809     clone: function( dataAndEvents, deepDataAndEvents ) {
    5810         dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
    5811         deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
    5812
    5813         return this.map(function() {
    5814             return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
    5815         });
    5816     },
    5817
    5818     html: function( value ) {
    5819         return access( this, function( value ) {
    5820             var elem = this[ 0 ] || {},
    5821                 i = 0,
    5822                 l = this.length;
    5823
    5824             if ( value === undefined ) {
    5825                 return elem.nodeType === 1 ?
    5826                     elem.innerHTML.replace( rinlinejQuery, "" ) :
    5827                     undefined;
    5828             }
    5829
    5830             // See if we can take a shortcut and just use innerHTML
    5831             if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
    5832                 ( support.htmlSerialize || !rnoshimcache.test( value )  ) &&
    5833                 ( support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
    5834                 !wrapMap[ (rtagName.exec( value ) || [ "", "" ])[ 1 ].toLowerCase() ] ) {
    5835
    5836                 value = value.replace( rxhtmlTag, "<$1></$2>" );
    5837
    5838                 try {
    5839                     for (; i < l; i++ ) {
    5840                         // Remove element nodes and prevent memory leaks
    5841                         elem = this[i] || {};
    5842                         if ( elem.nodeType === 1 ) {
    5843                             jQuery.cleanData( getAll( elem, false ) );
    5844                             elem.innerHTML = value;
    5845                         }
    5846                     }
    5847
    5848                     elem = 0;
    5849
    5850                 // If using innerHTML throws an exception, use the fallback method
    5851                 } catch(e) {}
    5852             }
    5853
    5854             if ( elem ) {
    5855                 this.empty().append( value );
    5856             }
    5857         }, null, value, arguments.length );
    5858     },
    5859
    5860     replaceWith: function() {
    5861         var arg = arguments[ 0 ];
    5862
    5863         // Make the changes, replacing each context element with the new content
    5864         this.domManip( arguments, function( elem ) {
    5865             arg = this.parentNode;
    5866
    5867             jQuery.cleanData( getAll( this ) );
    5868
    5869             if ( arg ) {
    5870                 arg.replaceChild( elem, this );
    5871             }
    5872         });
    5873
    5874         // Force removal if there was no new content (e.g., from empty arguments)
    5875         return arg && (arg.length || arg.nodeType) ? this : this.remove();
    5876     },
    5877
    5878     detach: function( selector ) {
    5879         return this.remove( selector, true );
    5880     },
    5881
    5882     domManip: function( args, callback ) {
    5883
    5884         // Flatten any nested arrays
    5885         args = concat.apply( [], args );
    5886
    5887         var first, node, hasScripts,
    5888             scripts, doc, fragment,
    5889             i = 0,
    5890             l = this.length,
    5891             set = this,
    5892             iNoClone = l - 1,
    5893             value = args[0],
    5894             isFunction = jQuery.isFunction( value );
    5895
    5896         // We can't cloneNode fragments that contain checked, in WebKit
    5897         if ( isFunction ||
    5898                 ( l > 1 && typeof value === "string" &&
    5899                     !support.checkClone && rchecked.test( value ) ) ) {
    5900             return this.each(function( index ) {
    5901                 var self = set.eq( index );
    5902                 if ( isFunction ) {
    5903                     args[0] = value.call( this, index, self.html() );
    5904                 }
    5905                 self.domManip( args, callback );
    5906             });
    5907         }
    5908
    5909         if ( l ) {
    5910             fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, this );
    5911             first = fragment.firstChild;
    5912
    5913             if ( fragment.childNodes.length === 1 ) {
    5914                 fragment = first;
    5915             }
    5916
    5917             if ( first ) {
    5918                 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
    5919                 hasScripts = scripts.length;
    5920
    5921                 // Use the original fragment for the last item instead of the first because it can end up
    5922                 // being emptied incorrectly in certain situations (#8070).
    5923                 for ( ; i < l; i++ ) {
    5924                     node = fragment;
    5925
    5926                     if ( i !== iNoClone ) {
    5927                         node = jQuery.clone( node, true, true );
    5928
    5929                         // Keep references to cloned scripts for later restoration
    5930                         if ( hasScripts ) {
    5931                             jQuery.merge( scripts, getAll( node, "script" ) );
    5932                         }
    5933                     }
    5934
    5935                     callback.call( this[i], node, i );
    5936                 }
    5937
    5938                 if ( hasScripts ) {
    5939                     doc = scripts[ scripts.length - 1 ].ownerDocument;
    5940
    5941                     // Reenable scripts
    5942                     jQuery.map( scripts, restoreScript );
    5943
    5944                     // Evaluate executable scripts on first document insertion
    5945                     for ( i = 0; i < hasScripts; i++ ) {
    5946                         node = scripts[ i ];
    5947                         if ( rscriptType.test( node.type || "" ) &&
    5948                             !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
    5949
    5950                             if ( node.src ) {
    5951                                 // Optional AJAX dependency, but won't run scripts if not present
    5952                                 if ( jQuery._evalUrl ) {
    5953                                     jQuery._evalUrl( node.src );
    5954                                 }
    5955                             } else {
    5956                                 jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
    5957                             }
    5958                         }
    5959                     }
    5960                 }
    5961
    5962                 // Fix #11809: Avoid leaking memory
    5963                 fragment = first = null;
    5964             }
    5965         }
    5966
    5967         return this;
    5968     }
    5969 });
    5970
    5971 jQuery.each({
    5972     appendTo: "append",
    5973     prependTo: "prepend",
    5974     insertBefore: "before",
    5975     insertAfter: "after",
    5976     replaceAll: "replaceWith"
    5977 }, function( name, original ) {
    5978     jQuery.fn[ name ] = function( selector ) {
    5979         var elems,
    5980             i = 0,
    5981             ret = [],
    5982             insert = jQuery( selector ),
    5983             last = insert.length - 1;
    5984
    5985         for ( ; i <= last; i++ ) {
    5986             elems = i === last ? this : this.clone(true);
    5987             jQuery( insert[i] )[ original ]( elems );
    5988
    5989             // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
    5990             push.apply( ret, elems.get() );
    5991         }
    5992
    5993         return this.pushStack( ret );
    5994     };
    5995 });
    5996
    5997
    5998 var iframe,
    5999     elemdisplay = {};
    6000
    6001 /**
    6002  * Retrieve the actual display of a element
    6003  * @param {String} name nodeName of the element
    6004  * @param {Object} doc Document object
    6005  */
    6006 // Called only from within defaultDisplay
    6007 function actualDisplay( name, doc ) {
    6008     var style,
    6009         elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
    6010
    6011         // getDefaultComputedStyle might be reliably used only on attached element
    6012         display = window.getDefaultComputedStyle && ( style = window.getDefaultComputedStyle( elem[ 0 ] ) ) ?
    6013
    6014             // Use of this method is a temporary fix (more like optmization) until something better comes along,
    6015             // since it was removed from specification and supported only in FF
    6016             style.display : jQuery.css( elem[ 0 ], "display" );
    6017
    6018     // We don't have any data stored on the element,
    6019     // so use "detach" method as fast way to get rid of the element
    6020     elem.detach();
    6021
    6022     return display;
    6023 }
    6024
    6025 /**
    6026  * Try to determine the default display value of an element
    6027  * @param {String} nodeName
    6028  */
    6029 function defaultDisplay( nodeName ) {
    6030     var doc = document,
    6031         display = elemdisplay[ nodeName ];
    6032
    6033     if ( !display ) {
    6034         display = actualDisplay( nodeName, doc );
    6035
    6036         // If the simple way fails, read from inside an iframe
    6037         if ( display === "none" || !display ) {
    6038
    6039             // Use the already-created iframe if possible
    6040             iframe = (iframe || jQuery( "<iframe frameborder='0' width='0' height='0'/>" )).appendTo( doc.documentElement );
    6041
    6042             // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
    6043             doc = ( iframe[ 0 ].contentWindow || iframe[ 0 ].contentDocument ).document;
    6044
    6045             // Support: IE
    6046             doc.write();
    6047             doc.close();
    6048
    6049             display = actualDisplay( nodeName, doc );
    6050             iframe.detach();
    6051         }
    6052
    6053         // Store the correct default display
    6054         elemdisplay[ nodeName ] = display;
    6055     }
    6056
    6057     return display;
    6058 }
    6059
    6060
    6061 (function() {
    6062     var shrinkWrapBlocksVal;
    6063
    6064     support.shrinkWrapBlocks = function() {
    6065         if ( shrinkWrapBlocksVal != null ) {
    6066             return shrinkWrapBlocksVal;
    6067         }
    6068
    6069         // Will be changed later if needed.
    6070         shrinkWrapBlocksVal = false;
    6071
    6072         // Minified: var b,c,d
    6073         var div, body, container;
    6074
    6075         body = document.getElementsByTagName( "body" )[ 0 ];
    6076         if ( !body || !body.style ) {
    6077             // Test fired too early or in an unsupported environment, exit.
    6078             return;
    6079         }
    6080
    6081         // Setup
    6082         div = document.createElement( "div" );
    6083         container = document.createElement( "div" );
    6084         container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
    6085         body.appendChild( container ).appendChild( div );
    6086
    6087         // Support: IE6
    6088         // Check if elements with layout shrink-wrap their children
    6089         if ( typeof div.style.zoom !== strundefined ) {
    6090             // Reset CSS: box-sizing; display; margin; border
    6091             div.style.cssText =
    6092                 // Support: Firefox<29, Android 2.3
    6093                 // Vendor-prefix box-sizing
    6094                 "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
    6095                 "box-sizing:content-box;display:block;margin:0;border:0;" +
    6096                 "padding:1px;width:1px;zoom:1";
    6097             div.appendChild( document.createElement( "div" ) ).style.width = "5px";
    6098             shrinkWrapBlocksVal = div.offsetWidth !== 3;
    6099         }
    6100
    6101         body.removeChild( container );
    6102
    6103         return shrinkWrapBlocksVal;
    6104     };
    6105
    6106 })();
    6107 var rmargin = (/^margin/);
    6108
    6109 var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
    6110
    6111
    6112
    6113 var getStyles, curCSS,
    6114     rposition = /^(top|right|bottom|left)$/;
    6115
    6116 if ( window.getComputedStyle ) {
    6117     getStyles = function( elem ) {
    6118         return elem.ownerDocument.defaultView.getComputedStyle( elem, null );
    6119     };
    6120
    6121     curCSS = function( elem, name, computed ) {
    6122         var width, minWidth, maxWidth, ret,
    6123             style = elem.style;
    6124
    6125         computed = computed || getStyles( elem );
    6126
    6127         // getPropertyValue is only needed for .css('filter') in IE9, see #12537
    6128         ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined;
    6129
    6130         if ( computed ) {
    6131
    6132             if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
    6133                 ret = jQuery.style( elem, name );
    6134             }
    6135
    6136             // A tribute to the "awesome hack by Dean Edwards"
    6137             // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
    6138             // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
    6139             // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
    6140             if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
    6141
    6142                 // Remember the original values
    6143                 width = style.width;
    6144                 minWidth = style.minWidth;
    6145                 maxWidth = style.maxWidth;
    6146
    6147                 // Put in the new values to get a computed value out
    6148                 style.minWidth = style.maxWidth = style.width = ret;
    6149                 ret = computed.width;
    6150
    6151                 // Revert the changed values
    6152                 style.width = width;
    6153                 style.minWidth = minWidth;
    6154                 style.maxWidth = maxWidth;
    6155             }
    6156         }
    6157
    6158         // Support: IE
    6159         // IE returns zIndex value as an integer.
    6160         return ret === undefined ?
    6161             ret :
    6162             ret + "";
    6163     };
    6164 } else if ( document.documentElement.currentStyle ) {
    6165     getStyles = function( elem ) {
    6166         return elem.currentStyle;
    6167     };
    6168
    6169     curCSS = function( elem, name, computed ) {
    6170         var left, rs, rsLeft, ret,
    6171             style = elem.style;
    6172
    6173         computed = computed || getStyles( elem );
    6174         ret = computed ? computed[ name ] : undefined;
    6175
    6176         // Avoid setting ret to empty string here
    6177         // so we don't default to auto
    6178         if ( ret == null && style && style[ name ] ) {
    6179             ret = style[ name ];
    6180         }
    6181
    6182         // From the awesome hack by Dean Edwards
    6183         // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
    6184
    6185         // If we're not dealing with a regular pixel number
    6186         // but a number that has a weird ending, we need to convert it to pixels
    6187         // but not position css attributes, as those are proportional to the parent element instead
    6188         // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
    6189         if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
    6190
    6191             // Remember the original values
    6192             left = style.left;
    6193             rs = elem.runtimeStyle;
    6194             rsLeft = rs && rs.left;
    6195
    6196             // Put in the new values to get a computed value out
    6197             if ( rsLeft ) {
    6198                 rs.left = elem.currentStyle.left;
    6199             }
    6200             style.left = name === "fontSize" ? "1em" : ret;
    6201             ret = style.pixelLeft + "px";
    6202
    6203             // Revert the changed values
    6204             style.left = left;
    6205             if ( rsLeft ) {
    6206                 rs.left = rsLeft;
    6207             }
    6208         }
    6209
    6210         // Support: IE
    6211         // IE returns zIndex value as an integer.
    6212         return ret === undefined ?
    6213             ret :
    6214             ret + "" || "auto";
    6215     };
    6216 }
    6217
    6218
    6219
    6220
    6221 function addGetHookIf( conditionFn, hookFn ) {
    6222     // Define the hook, we'll check on the first run if it's really needed.
    6223     return {
    6224         get: function() {
    6225             var condition = conditionFn();
    6226
    6227             if ( condition == null ) {
    6228                 // The test was not ready at this point; screw the hook this time
    6229                 // but check again when needed next time.
    6230                 return;
    6231             }
    6232
    6233             if ( condition ) {
    6234                 // Hook not needed (or it's not possible to use it due to missing dependency),
    6235                 // remove it.
    6236                 // Since there are no other hooks for marginRight, remove the whole object.
    6237                 delete this.get;
    6238                 return;
    6239             }
    6240
    6241             // Hook needed; redefine it so that the support test is not executed again.
    6242
    6243             return (this.get = hookFn).apply( this, arguments );
    6244         }
    6245     };
    6246 }
    6247
    6248
    6249 (function() {
    6250     // Minified: var b,c,d,e,f,g, h,i
    6251     var div, style, a, pixelPositionVal, boxSizingReliableVal,
    6252         reliableHiddenOffsetsVal, reliableMarginRightVal;
    6253
    6254     // Setup
    6255     div = document.createElement( "div" );
    6256     div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
    6257     a = div.getElementsByTagName( "a" )[ 0 ];
    6258     style = a && a.style;
    6259
    6260     // Finish early in limited (non-browser) environments
    6261     if ( !style ) {
    6262         return;
    6263     }
    6264
    6265     style.cssText = "float:left;opacity:.5";
    6266
    6267     // Support: IE<9
    6268     // Make sure that element opacity exists (as opposed to filter)
    6269     support.opacity = style.opacity === "0.5";
    6270
    6271     // Verify style float existence
    6272     // (IE uses styleFloat instead of cssFloat)
    6273     support.cssFloat = !!style.cssFloat;
    6274
    6275     div.style.backgroundClip = "content-box";
    6276     div.cloneNode( true ).style.backgroundClip = "";
    6277     support.clearCloneStyle = div.style.backgroundClip === "content-box";
    6278
    6279     // Support: Firefox<29, Android 2.3
    6280     // Vendor-prefix box-sizing
    6281     support.boxSizing = style.boxSizing === "" || style.MozBoxSizing === "" ||
    6282         style.WebkitBoxSizing === "";
    6283
    6284     jQuery.extend(support, {
    6285         reliableHiddenOffsets: function() {
    6286             if ( reliableHiddenOffsetsVal == null ) {
    6287                 computeStyleTests();
    6288             }
    6289             return reliableHiddenOffsetsVal;
    6290         },
    6291
    6292         boxSizingReliable: function() {
    6293             if ( boxSizingReliableVal == null ) {
    6294                 computeStyleTests();
    6295             }
    6296             return boxSizingReliableVal;
    6297         },
    6298
    6299         pixelPosition: function() {
    6300             if ( pixelPositionVal == null ) {
    6301                 computeStyleTests();
    6302             }
    6303             return pixelPositionVal;
    6304         },
    6305
    6306         // Support: Android 2.3
    6307         reliableMarginRight: function() {
    6308             if ( reliableMarginRightVal == null ) {
    6309                 computeStyleTests();
    6310             }
    6311             return reliableMarginRightVal;
    6312         }
    6313     });
    6314
    6315     function computeStyleTests() {
    6316         // Minified: var b,c,d,j
    6317         var div, body, container, contents;
    6318
    6319         body = document.getElementsByTagName( "body" )[ 0 ];
    6320         if ( !body || !body.style ) {
    6321             // Test fired too early or in an unsupported environment, exit.
    6322             return;
    6323         }
    6324
    6325         // Setup
    6326         div = document.createElement( "div" );
    6327         container = document.createElement( "div" );
    6328         container.style.cssText = "position:absolute;border:0;width:0;height:0;top:0;left:-9999px";
    6329         body.appendChild( container ).appendChild( div );
    6330
    6331         div.style.cssText =
    6332             // Support: Firefox<29, Android 2.3
    6333             // Vendor-prefix box-sizing
    6334             "-webkit-box-sizing:border-box;-moz-box-sizing:border-box;" +
    6335             "box-sizing:border-box;display:block;margin-top:1%;top:1%;" +
    6336             "border:1px;padding:1px;width:4px;position:absolute";
    6337
    6338         // Support: IE<9
    6339         // Assume reasonable values in the absence of getComputedStyle
    6340         pixelPositionVal = boxSizingReliableVal = false;
    6341         reliableMarginRightVal = true;
    6342
    6343         // Check for getComputedStyle so that this code is not run in IE<9.
    6344         if ( window.getComputedStyle ) {
    6345             pixelPositionVal = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
    6346             boxSizingReliableVal =
    6347                 ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
    6348
    6349             // Support: Android 2.3
    6350             // Div with explicit width and no margin-right incorrectly
    6351             // gets computed margin-right based on width of container (#3333)
    6352             // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
    6353             contents = div.appendChild( document.createElement( "div" ) );
    6354
    6355             // Reset CSS: box-sizing; display; margin; border; padding
    6356             contents.style.cssText = div.style.cssText =
    6357                 // Support: Firefox<29, Android 2.3
    6358                 // Vendor-prefix box-sizing
    6359                 "-webkit-box-sizing:content-box;-moz-box-sizing:content-box;" +
    6360                 "box-sizing:content-box;display:block;margin:0;border:0;padding:0";
    6361             contents.style.marginRight = contents.style.width = "0";
    6362             div.style.width = "1px";
    6363
    6364             reliableMarginRightVal =
    6365                 !parseFloat( ( window.getComputedStyle( contents, null ) || {} ).marginRight );
    6366         }
    6367
    6368         // Support: IE8
    6369         // Check if table cells still have offsetWidth/Height when they are set
    6370         // to display:none and there are still other visible table cells in a
    6371         // table row; if so, offsetWidth/Height are not reliable for use when
    6372         // determining if an element has been hidden directly using
    6373         // display:none (it is still safe to use offsets if a parent element is
    6374         // hidden; don safety goggles and see bug #4512 for more information).
    6375         div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
    6376         contents = div.getElementsByTagName( "td" );
    6377         contents[ 0 ].style.cssText = "margin:0;border:0;padding:0;display:none";
    6378         reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
    6379         if ( reliableHiddenOffsetsVal ) {
    6380             contents[ 0 ].style.display = "";
    6381             contents[ 1 ].style.display = "none";
    6382             reliableHiddenOffsetsVal = contents[ 0 ].offsetHeight === 0;
    6383         }
    6384
    6385         body.removeChild( container );
    6386     }
    6387
    6388 })();
    6389
    6390
    6391 // A method for quickly swapping in/out CSS properties to get correct calculations.
    6392 jQuery.swap = function( elem, options, callback, args ) {
    6393     var ret, name,
    6394         old = {};
    6395
    6396     // Remember the old values, and insert the new ones
    6397     for ( name in options ) {
    6398         old[ name ] = elem.style[ name ];
    6399         elem.style[ name ] = options[ name ];
    6400     }
    6401
    6402     ret = callback.apply( elem, args || [] );
    6403
    6404     // Revert the old values
    6405     for ( name in options ) {
    6406         elem.style[ name ] = old[ name ];
    6407     }
    6408
    6409     return ret;
    6410 };
    6411
    6412
    6413 var
    6414         ralpha = /alpha\([^)]*\)/i,
    6415     ropacity = /opacity\s*=\s*([^)]*)/,
    6416
    6417     // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
    6418     // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
    6419     rdisplayswap = /^(none|table(?!-c[ea]).+)/,
    6420     rnumsplit = new RegExp( "^(" + pnum + ")(.*)$", "i" ),
    6421     rrelNum = new RegExp( "^([+-])=(" + pnum + ")", "i" ),
    6422
    6423     cssShow = { position: "absolute", visibility: "hidden", display: "block" },
    6424     cssNormalTransform = {
    6425         letterSpacing: "0",
    6426         fontWeight: "400"
    6427     },
    6428
    6429     cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
    6430
    6431
    6432 // return a css property mapped to a potentially vendor prefixed property
    6433 function vendorPropName( style, name ) {
    6434
    6435     // shortcut for names that are not vendor prefixed
    6436     if ( name in style ) {
    6437         return name;
    6438     }
    6439
    6440     // check for vendor prefixed names
    6441     var capName = name.charAt(0).toUpperCase() + name.slice(1),
    6442         origName = name,
    6443         i = cssPrefixes.length;
    6444
    6445     while ( i-- ) {
    6446         name = cssPrefixes[ i ] + capName;
    6447         if ( name in style ) {
    6448             return name;
    6449         }
    6450     }
    6451
    6452     return origName;
    6453 }
    6454
    6455 function showHide( elements, show ) {
    6456     var display, elem, hidden,
    6457         values = [],
    6458         index = 0,
    6459         length = elements.length;
    6460
    6461     for ( ; index < length; index++ ) {
    6462         elem = elements[ index ];
    6463         if ( !elem.style ) {
    6464             continue;
    6465         }
    6466
    6467         values[ index ] = jQuery._data( elem, "olddisplay" );
    6468         display = elem.style.display;
    6469         if ( show ) {
    6470             // Reset the inline display of this element to learn if it is
    6471             // being hidden by cascaded rules or not
    6472             if ( !values[ index ] && display === "none" ) {
    6473                 elem.style.display = "";
    6474             }
    6475
    6476             // Set elements which have been overridden with display: none
    6477             // in a stylesheet to whatever the default browser style is
    6478             // for such an element
    6479             if ( elem.style.display === "" && isHidden( elem ) ) {
    6480                 values[ index ] = jQuery._data( elem, "olddisplay", defaultDisplay(elem.nodeName) );
    6481             }
    6482         } else {
    6483             hidden = isHidden( elem );
    6484
    6485             if ( display && display !== "none" || !hidden ) {
    6486                 jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
    6487             }
    6488         }
    6489     }
    6490
    6491     // Set the display of most of the elements in a second loop
    6492     // to avoid the constant reflow
    6493     for ( index = 0; index < length; index++ ) {
    6494         elem = elements[ index ];
    6495         if ( !elem.style ) {
    6496             continue;
    6497         }
    6498         if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
    6499             elem.style.display = show ? values[ index ] || "" : "none";
    6500         }
    6501     }
    6502
    6503     return elements;
    6504 }
    6505
    6506 function setPositiveNumber( elem, value, subtract ) {
    6507     var matches = rnumsplit.exec( value );
    6508     return matches ?
    6509         // Guard against undefined "subtract", e.g., when used as in cssHooks
    6510         Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
    6511         value;
    6512 }
    6513
    6514 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
    6515     var i = extra === ( isBorderBox ? "border" : "content" ) ?
    6516         // If we already have the right measurement, avoid augmentation
    6517         4 :
    6518         // Otherwise initialize for horizontal or vertical properties
    6519         name === "width" ? 1 : 0,
    6520
    6521         val = 0;
    6522
    6523     for ( ; i < 4; i += 2 ) {
    6524         // both box models exclude margin, so add it if we want it
    6525         if ( extra === "margin" ) {
    6526             val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
    6527         }
    6528
    6529         if ( isBorderBox ) {
    6530             // border-box includes padding, so remove it if we want content
    6531             if ( extra === "content" ) {
    6532                 val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
    6533             }
    6534
    6535             // at this point, extra isn't border nor margin, so remove border
    6536             if ( extra !== "margin" ) {
    6537                 val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
    6538             }
    6539         } else {
    6540             // at this point, extra isn't content, so add padding
    6541             val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
    6542
    6543             // at this point, extra isn't content nor padding, so add border
    6544             if ( extra !== "padding" ) {
    6545                 val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
    6546             }
    6547         }
    6548     }
    6549
    6550     return val;
    6551 }
    6552
    6553 function getWidthOrHeight( elem, name, extra ) {
    6554
    6555     // Start with offset property, which is equivalent to the border-box value
    6556     var valueIsBorderBox = true,
    6557         val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
    6558         styles = getStyles( elem ),
    6559         isBorderBox = support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
    6560
    6561     // some non-html elements return undefined for offsetWidth, so check for null/undefined
    6562     // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
    6563     // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
    6564     if ( val <= 0 || val == null ) {
    6565         // Fall back to computed then uncomputed css if necessary
    6566         val = curCSS( elem, name, styles );
    6567         if ( val < 0 || val == null ) {
    6568             val = elem.style[ name ];
    6569         }
    6570
    6571         // Computed unit is not pixels. Stop here and return.
    6572         if ( rnumnonpx.test(val) ) {
    6573             return val;
    6574         }
    6575
    6576         // we need the check for style in case a browser which returns unreliable values
    6577         // for getComputedStyle silently falls back to the reliable elem.style
    6578         valueIsBorderBox = isBorderBox && ( support.boxSizingReliable() || val === elem.style[ name ] );
    6579
    6580         // Normalize "", auto, and prepare for extra
    6581         val = parseFloat( val ) || 0;
    6582     }
    6583
    6584     // use the active box-sizing model to add/subtract irrelevant styles
    6585     return ( val +
    6586         augmentWidthOrHeight(
    6587             elem,
    6588             name,
    6589             extra || ( isBorderBox ? "border" : "content" ),
    6590             valueIsBorderBox,
    6591             styles
    6592         )
    6593     ) + "px";
    6594 }
    6595
    6596 jQuery.extend({
    6597     // Add in style property hooks for overriding the default
    6598     // behavior of getting and setting a style property
    6599     cssHooks: {
    6600         opacity: {
    6601             get: function( elem, computed ) {
    6602                 if ( computed ) {
    6603                     // We should always get a number back from opacity
    6604                     var ret = curCSS( elem, "opacity" );
    6605                     return ret === "" ? "1" : ret;
    6606                 }
    6607             }
    6608         }
    6609     },
    6610
    6611     // Don't automatically add "px" to these possibly-unitless properties
    6612     cssNumber: {
    6613         "columnCount": true,
    6614         "fillOpacity": true,
    6615         "flexGrow": true,
    6616         "flexShrink": true,
    6617         "fontWeight": true,
    6618         "lineHeight": true,
    6619         "opacity": true,
    6620         "order": true,
    6621         "orphans": true,
    6622         "widows": true,
    6623         "zIndex": true,
    6624         "zoom": true
    6625     },
    6626
    6627     // Add in properties whose names you wish to fix before
    6628     // setting or getting the value
    6629     cssProps: {
    6630         // normalize float css property
    6631         "float": support.cssFloat ? "cssFloat" : "styleFloat"
    6632     },
    6633
    6634     // Get and set the style property on a DOM Node
    6635     style: function( elem, name, value, extra ) {
    6636         // Don't set styles on text and comment nodes
    6637         if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
    6638             return;
    6639         }
    6640
    6641         // Make sure that we're working with the right name
    6642         var ret, type, hooks,
    6643             origName = jQuery.camelCase( name ),
    6644             style = elem.style;
    6645
    6646         name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
    6647
    6648         // gets hook for the prefixed version
    6649         // followed by the unprefixed version
    6650         hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
    6651
    6652         // Check if we're setting a value
    6653         if ( value !== undefined ) {
    6654             type = typeof value;
    6655
    6656             // convert relative number strings (+= or -=) to relative numbers. #7345
    6657             if ( type === "string" && (ret = rrelNum.exec( value )) ) {
    6658                 value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
    6659                 // Fixes bug #9237
    6660                 type = "number";
    6661             }
    6662
    6663             // Make sure that null and NaN values aren't set. See: #7116
    6664             if ( value == null || value !== value ) {
    6665                 return;
    6666             }
    6667
    6668             // If a number was passed in, add 'px' to the (except for certain CSS properties)
    6669             if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
    6670                 value += "px";
    6671             }
    6672
    6673             // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
    6674             // but it would mean to define eight (for every problematic property) identical functions
    6675             if ( !support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
    6676                 style[ name ] = "inherit";
    6677             }
    6678
    6679             // If a hook was provided, use that value, otherwise just set the specified value
    6680             if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
    6681
    6682                 // Support: IE
    6683                 // Swallow errors from 'invalid' CSS values (#5509)
    6684                 try {
    6685                     style[ name ] = value;
    6686                 } catch(e) {}
    6687             }
    6688
    6689         } else {
    6690             // If a hook was provided get the non-computed value from there
    6691             if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
    6692                 return ret;
    6693             }
    6694
    6695             // Otherwise just get the value from the style object
    6696             return style[ name ];
    6697         }
    6698     },
    6699
    6700     css: function( elem, name, extra, styles ) {
    6701         var num, val, hooks,
    6702             origName = jQuery.camelCase( name );
    6703
    6704         // Make sure that we're working with the right name
    6705         name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
    6706
    6707         // gets hook for the prefixed version
    6708         // followed by the unprefixed version
    6709         hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
    6710
    6711         // If a hook was provided get the computed value from there
    6712         if ( hooks && "get" in hooks ) {
    6713             val = hooks.get( elem, true, extra );
    6714         }
    6715
    6716         // Otherwise, if a way to get the computed value exists, use that
    6717         if ( val === undefined ) {
    6718             val = curCSS( elem, name, styles );
    6719         }
    6720
    6721         //convert "normal" to computed value
    6722         if ( val === "normal" && name in cssNormalTransform ) {
    6723             val = cssNormalTransform[ name ];
    6724         }
    6725
    6726         // Return, converting to number if forced or a qualifier was provided and val looks numeric
    6727         if ( extra === "" || extra ) {
    6728             num = parseFloat( val );
    6729             return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
    6730         }
    6731         return val;
    6732     }
    6733 });
    6734
    6735 jQuery.each([ "height", "width" ], function( i, name ) {
    6736     jQuery.cssHooks[ name ] = {
    6737         get: function( elem, computed, extra ) {
    6738             if ( computed ) {
    6739                 // certain elements can have dimension info if we invisibly show them
    6740                 // however, it must have a current display style that would benefit from this
    6741                 return rdisplayswap.test( jQuery.css( elem, "display" ) ) && elem.offsetWidth === 0 ?
    6742                     jQuery.swap( elem, cssShow, function() {
    6743                         return getWidthOrHeight( elem, name, extra );
    6744                     }) :
    6745                     getWidthOrHeight( elem, name, extra );
    6746             }
    6747         },
    6748
    6749         set: function( elem, value, extra ) {
    6750             var styles = extra && getStyles( elem );
    6751             return setPositiveNumber( elem, value, extra ?
    6752                 augmentWidthOrHeight(
    6753                     elem,
    6754                     name,
    6755                     extra,
    6756                     support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
    6757                     styles
    6758                 ) : 0
    6759             );
    6760         }
    6761     };
    6762 });
    6763
    6764 if ( !support.opacity ) {
    6765     jQuery.cssHooks.opacity = {
    6766         get: function( elem, computed ) {
    6767             // IE uses filters for opacity
    6768             return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
    6769                 ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
    6770                 computed ? "1" : "";
    6771         },
    6772
    6773         set: function( elem, value ) {
    6774             var style = elem.style,
    6775                 currentStyle = elem.currentStyle,
    6776                 opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
    6777                 filter = currentStyle && currentStyle.filter || style.filter || "";
    6778
    6779             // IE has trouble with opacity if it does not have layout
    6780             // Force it by setting the zoom level
    6781             style.zoom = 1;
    6782
    6783             // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
    6784             // if value === "", then remove inline opacity #12685
    6785             if ( ( value >= 1 || value === "" ) &&
    6786                     jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
    6787                     style.removeAttribute ) {
    6788
    6789                 // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
    6790                 // if "filter:" is present at all, clearType is disabled, we want to avoid this
    6791                 // style.removeAttribute is IE Only, but so apparently is this code path...
    6792                 style.removeAttribute( "filter" );
    6793
    6794                 // if there is no filter style applied in a css rule or unset inline opacity, we are done
    6795                 if ( value === "" || currentStyle && !currentStyle.filter ) {
    6796                     return;
    6797                 }
    6798             }
    6799
    6800             // otherwise, set new filter values
    6801             style.filter = ralpha.test( filter ) ?
    6802                 filter.replace( ralpha, opacity ) :
    6803                 filter + " " + opacity;
    6804         }
    6805     };
    6806 }
    6807
    6808 jQuery.cssHooks.marginRight = addGetHookIf( support.reliableMarginRight,
    6809     function( elem, computed ) {
    6810         if ( computed ) {
    6811             // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
    6812             // Work around by temporarily setting element display to inline-block
    6813             return jQuery.swap( elem, { "display": "inline-block" },
    6814                 curCSS, [ elem, "marginRight" ] );
    6815         }
    6816     }
    6817 );
    6818
    6819 // These hooks are used by animate to expand properties
    6820 jQuery.each({
    6821     margin: "",
    6822     padding: "",
    6823     border: "Width"
    6824 }, function( prefix, suffix ) {
    6825     jQuery.cssHooks[ prefix + suffix ] = {
    6826         expand: function( value ) {
    6827             var i = 0,
    6828                 expanded = {},
    6829
    6830                 // assumes a single number if not a string
    6831                 parts = typeof value === "string" ? value.split(" ") : [ value ];
    6832
    6833             for ( ; i < 4; i++ ) {
    6834                 expanded[ prefix + cssExpand[ i ] + suffix ] =
    6835                     parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
    6836             }
    6837
    6838             return expanded;
    6839         }
    6840     };
    6841
    6842     if ( !rmargin.test( prefix ) ) {
    6843         jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
    6844     }
    6845 });
    6846
    6847 jQuery.fn.extend({
    6848     css: function( name, value ) {
    6849         return access( this, function( elem, name, value ) {
    6850             var styles, len,
    6851                 map = {},
    6852                 i = 0;
    6853
    6854             if ( jQuery.isArray( name ) ) {
    6855                 styles = getStyles( elem );
    6856                 len = name.length;
    6857
    6858                 for ( ; i < len; i++ ) {
    6859                     map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
    6860                 }
    6861
    6862                 return map;
    6863             }
    6864
    6865             return value !== undefined ?
    6866                 jQuery.style( elem, name, value ) :
    6867                 jQuery.css( elem, name );
    6868         }, name, value, arguments.length > 1 );
    6869     },
    6870     show: function() {
    6871         return showHide( this, true );
    6872     },
    6873     hide: function() {
    6874         return showHide( this );
    6875     },
    6876     toggle: function( state ) {
    6877         if ( typeof state === "boolean" ) {
    6878             return state ? this.show() : this.hide();
    6879         }
    6880
    6881         return this.each(function() {
    6882             if ( isHidden( this ) ) {
    6883                 jQuery( this ).show();
    6884             } else {
    6885                 jQuery( this ).hide();
    6886             }
    6887         });
    6888     }
    6889 });
    6890
    6891
    6892 function Tween( elem, options, prop, end, easing ) {
    6893     return new Tween.prototype.init( elem, options, prop, end, easing );
    6894 }
    6895 jQuery.Tween = Tween;
    6896
    6897 Tween.prototype = {
    6898     constructor: Tween,
    6899     init: function( elem, options, prop, end, easing, unit ) {
    6900         this.elem = elem;
    6901         this.prop = prop;
    6902         this.easing = easing || "swing";
    6903         this.options = options;
    6904         this.start = this.now = this.cur();
    6905         this.end = end;
    6906         this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
    6907     },
    6908     cur: function() {
    6909         var hooks = Tween.propHooks[ this.prop ];
    6910
    6911         return hooks && hooks.get ?
    6912             hooks.get( this ) :
    6913             Tween.propHooks._default.get( this );
    6914     },
    6915     run: function( percent ) {
    6916         var eased,
    6917             hooks = Tween.propHooks[ this.prop ];
    6918
    6919         if ( this.options.duration ) {
    6920             this.pos = eased = jQuery.easing[ this.easing ](
    6921                 percent, this.options.duration * percent, 0, 1, this.options.duration
    6922             );
    6923         } else {
    6924             this.pos = eased = percent;
    6925         }
    6926         this.now = ( this.end - this.start ) * eased + this.start;
    6927
    6928         if ( this.options.step ) {
    6929             this.options.step.call( this.elem, this.now, this );
    6930         }
    6931
    6932         if ( hooks && hooks.set ) {
    6933             hooks.set( this );
    6934         } else {
    6935             Tween.propHooks._default.set( this );
    6936         }
    6937         return this;
    6938     }
    6939 };
    6940
    6941 Tween.prototype.init.prototype = Tween.prototype;
    6942
    6943 Tween.propHooks = {
    6944     _default: {
    6945         get: function( tween ) {
    6946             var result;
    6947
    6948             if ( tween.elem[ tween.prop ] != null &&
    6949                 (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
    6950                 return tween.elem[ tween.prop ];
    6951             }
    6952
    6953             // passing an empty string as a 3rd parameter to .css will automatically
    6954             // attempt a parseFloat and fallback to a string if the parse fails
    6955             // so, simple values such as "10px" are parsed to Float.
    6956             // complex values such as "rotate(1rad)" are returned as is.
    6957             result = jQuery.css( tween.elem, tween.prop, "" );
    6958             // Empty strings, null, undefined and "auto" are converted to 0.
    6959             return !result || result === "auto" ? 0 : result;
    6960         },
    6961         set: function( tween ) {
    6962             // use step hook for back compat - use cssHook if its there - use .style if its
    6963             // available and use plain properties where available
    6964             if ( jQuery.fx.step[ tween.prop ] ) {
    6965                 jQuery.fx.step[ tween.prop ]( tween );
    6966             } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
    6967                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
    6968             } else {
    6969                 tween.elem[ tween.prop ] = tween.now;
    6970             }
    6971         }
    6972     }
    6973 };
    6974
    6975 // Support: IE <=9
    6976 // Panic based approach to setting things on disconnected nodes
    6977
    6978 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
    6979     set: function( tween ) {
    6980         if ( tween.elem.nodeType && tween.elem.parentNode ) {
    6981             tween.elem[ tween.prop ] = tween.now;
    6982         }
    6983     }
    6984 };
    6985
    6986 jQuery.easing = {
    6987     linear: function( p ) {
    6988         return p;
    6989     },
    6990     swing: function( p ) {
    6991         return 0.5 - Math.cos( p * Math.PI ) / 2;
    6992     }
    6993 };
    6994
    6995 jQuery.fx = Tween.prototype.init;
    6996
    6997 // Back Compat <1.8 extension point
    6998 jQuery.fx.step = {};
    6999
    7000
    7001
    7002
    7003 var
    7004     fxNow, timerId,
    7005     rfxtypes = /^(?:toggle|show|hide)$/,
    7006     rfxnum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" ),
    7007     rrun = /queueHooks$/,
    7008     animationPrefilters = [ defaultPrefilter ],
    7009     tweeners = {
    7010         "*": [ function( prop, value ) {
    7011             var tween = this.createTween( prop, value ),
    7012                 target = tween.cur(),
    7013                 parts = rfxnum.exec( value ),
    7014                 unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
    7015
    7016                 // Starting value computation is required for potential unit mismatches
    7017                 start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
    7018                     rfxnum.exec( jQuery.css( tween.elem, prop ) ),
    7019                 scale = 1,
    7020                 maxIterations = 20;
    7021
    7022             if ( start && start[ 3 ] !== unit ) {
    7023                 // Trust units reported by jQuery.css
    7024                 unit = unit || start[ 3 ];
    7025
    7026                 // Make sure we update the tween properties later on
    7027                 parts = parts || [];
    7028
    7029                 // Iteratively approximate from a nonzero starting point
    7030                 start = +target || 1;
    7031
    7032                 do {
    7033                     // If previous iteration zeroed out, double until we get *something*
    7034                     // Use a string for doubling factor so we don't accidentally see scale as unchanged below
    7035                     scale = scale || ".5";
    7036
    7037                     // Adjust and apply
    7038                     start = start / scale;
    7039                     jQuery.style( tween.elem, prop, start + unit );
    7040
    7041                 // Update scale, tolerating zero or NaN from tween.cur()
    7042                 // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
    7043                 } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
    7044             }
    7045
    7046             // Update tween properties
    7047             if ( parts ) {
    7048                 start = tween.start = +start || +target || 0;
    7049                 tween.unit = unit;
    7050                 // If a +=/-= token was provided, we're doing a relative animation
    7051                 tween.end = parts[ 1 ] ?
    7052                     start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
    7053                     +parts[ 2 ];
    7054             }
    7055
    7056             return tween;
    7057         } ]
    7058     };
    7059
    7060 // Animations created synchronously will run synchronously
    7061 function createFxNow() {
    7062     setTimeout(function() {
    7063         fxNow = undefined;
    7064     });
    7065     return ( fxNow = jQuery.now() );
    7066 }
    7067
    7068 // Generate parameters to create a standard animation
    7069 function genFx( type, includeWidth ) {
    7070     var which,
    7071         attrs = { height: type },
    7072         i = 0;
    7073
    7074     // if we include width, step value is 1 to do all cssExpand values,
    7075     // if we don't include width, step value is 2 to skip over Left and Right
    7076     includeWidth = includeWidth ? 1 : 0;
    7077     for ( ; i < 4 ; i += 2 - includeWidth ) {
    7078         which = cssExpand[ i ];
    7079         attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
    7080     }
    7081
    7082     if ( includeWidth ) {
    7083         attrs.opacity = attrs.width = type;
    7084     }
    7085
    7086     return attrs;
    7087 }
    7088
    7089 function createTween( value, prop, animation ) {
    7090     var tween,
    7091         collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
    7092         index = 0,
    7093         length = collection.length;
    7094     for ( ; index < length; index++ ) {
    7095         if ( (tween = collection[ index ].call( animation, prop, value )) ) {
    7096
    7097             // we're done with this property
    7098             return tween;
    7099         }
    7100     }
    7101 }
    7102
    7103 function defaultPrefilter( elem, props, opts ) {
    7104     /* jshint validthis: true */
    7105     var prop, value, toggle, tween, hooks, oldfire, display, checkDisplay,
    7106         anim = this,
    7107         orig = {},
    7108         style = elem.style,
    7109         hidden = elem.nodeType && isHidden( elem ),
    7110         dataShow = jQuery._data( elem, "fxshow" );
    7111
    7112     // handle queue: false promises
    7113     if ( !opts.queue ) {
    7114         hooks = jQuery._queueHooks( elem, "fx" );
    7115         if ( hooks.unqueued == null ) {
    7116             hooks.unqueued = 0;
    7117             oldfire = hooks.empty.fire;
    7118             hooks.empty.fire = function() {
    7119                 if ( !hooks.unqueued ) {
    7120                     oldfire();
    7121                 }
    7122             };
    7123         }
    7124         hooks.unqueued++;
    7125
    7126         anim.always(function() {
    7127             // doing this makes sure that the complete handler will be called
    7128             // before this completes
    7129             anim.always(function() {
    7130                 hooks.unqueued--;
    7131                 if ( !jQuery.queue( elem, "fx" ).length ) {
    7132                     hooks.empty.fire();
    7133                 }
    7134             });
    7135         });
    7136     }
    7137
    7138     // height/width overflow pass
    7139     if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
    7140         // Make sure that nothing sneaks out
    7141         // Record all 3 overflow attributes because IE does not
    7142         // change the overflow attribute when overflowX and
    7143         // overflowY are set to the same value
    7144         opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
    7145
    7146         // Set display property to inline-block for height/width
    7147         // animations on inline elements that are having width/height animated
    7148         display = jQuery.css( elem, "display" );
    7149
    7150         // Test default display if display is currently "none"
    7151         checkDisplay = display === "none" ?
    7152             jQuery._data( elem, "olddisplay" ) || defaultDisplay( elem.nodeName ) : display;
    7153
    7154         if ( checkDisplay === "inline" && jQuery.css( elem, "float" ) === "none" ) {
    7155
    7156             // inline-level elements accept inline-block;
    7157             // block-level elements need to be inline with layout
    7158             if ( !support.inlineBlockNeedsLayout || defaultDisplay( elem.nodeName ) === "inline" ) {
    7159                 style.display = "inline-block";
    7160             } else {
    7161                 style.zoom = 1;
    7162             }
    7163         }
    7164     }
    7165
    7166     if ( opts.overflow ) {
    7167         style.overflow = "hidden";
    7168         if ( !support.shrinkWrapBlocks() ) {
    7169             anim.always(function() {
    7170                 style.overflow = opts.overflow[ 0 ];
    7171                 style.overflowX = opts.overflow[ 1 ];
    7172                 style.overflowY = opts.overflow[ 2 ];
    7173             });
    7174         }
    7175     }
    7176
    7177     // show/hide pass
    7178     for ( prop in props ) {
    7179         value = props[ prop ];
    7180         if ( rfxtypes.exec( value ) ) {
    7181             delete props[ prop ];
    7182             toggle = toggle || value === "toggle";
    7183             if ( value === ( hidden ? "hide" : "show" ) ) {
    7184
    7185                 // If there is dataShow left over from a stopped hide or show and we are going to proceed with show, we should pretend to be hidden
    7186                 if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
    7187                     hidden = true;
    7188                 } else {
    7189                     continue;
    7190                 }
    7191             }
    7192             orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
    7193
    7194         // Any non-fx value stops us from restoring the original display value
    7195         } else {
    7196             display = undefined;
    7197         }
    7198     }
    7199
    7200     if ( !jQuery.isEmptyObject( orig ) ) {
    7201         if ( dataShow ) {
    7202             if ( "hidden" in dataShow ) {
    7203                 hidden = dataShow.hidden;
    7204             }
    7205         } else {
    7206             dataShow = jQuery._data( elem, "fxshow", {} );
    7207         }
    7208
    7209         // store state if its toggle - enables .stop().toggle() to "reverse"
    7210         if ( toggle ) {
    7211             dataShow.hidden = !hidden;
    7212         }
    7213         if ( hidden ) {
    7214             jQuery( elem ).show();
    7215         } else {
    7216             anim.done(function() {
    7217                 jQuery( elem ).hide();
    7218             });
    7219         }
    7220         anim.done(function() {
    7221             var prop;
    7222             jQuery._removeData( elem, "fxshow" );
    7223             for ( prop in orig ) {
    7224                 jQuery.style( elem, prop, orig[ prop ] );
    7225             }
    7226         });
    7227         for ( prop in orig ) {
    7228             tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
    7229
    7230             if ( !( prop in dataShow ) ) {
    7231                 dataShow[ prop ] = tween.start;
    7232                 if ( hidden ) {
    7233                     tween.end = tween.start;
    7234                     tween.start = prop === "width" || prop === "height" ? 1 : 0;
    7235                 }
    7236             }
    7237         }
    7238
    7239     // If this is a noop like .hide().hide(), restore an overwritten display value
    7240     } else if ( (display === "none" ? defaultDisplay( elem.nodeName ) : display) === "inline" ) {
    7241         style.display = display;
    7242     }
    7243 }
    7244
    7245 function propFilter( props, specialEasing ) {
    7246     var index, name, easing, value, hooks;
    7247
    7248     // camelCase, specialEasing and expand cssHook pass
    7249     for ( index in props ) {
    7250         name = jQuery.camelCase( index );
    7251         easing = specialEasing[ name ];
    7252         value = props[ index ];
    7253         if ( jQuery.isArray( value ) ) {
    7254             easing = value[ 1 ];
    7255             value = props[ index ] = value[ 0 ];
    7256         }
    7257
    7258         if ( index !== name ) {
    7259             props[ name ] = value;
    7260             delete props[ index ];
    7261         }
    7262
    7263         hooks = jQuery.cssHooks[ name ];
    7264         if ( hooks && "expand" in hooks ) {
    7265             value = hooks.expand( value );
    7266             delete props[ name ];
    7267
    7268             // not quite $.extend, this wont overwrite keys already present.
    7269             // also - reusing 'index' from above because we have the correct "name"
    7270             for ( index in value ) {
    7271                 if ( !( index in props ) ) {
    7272                     props[ index ] = value[ index ];
    7273                     specialEasing[ index ] = easing;
    7274                 }
    7275             }
    7276         } else {
    7277             specialEasing[ name ] = easing;
    7278         }
    7279     }
    7280 }
    7281
    7282 function Animation( elem, properties, options ) {
    7283     var result,
    7284         stopped,
    7285         index = 0,
    7286         length = animationPrefilters.length,
    7287         deferred = jQuery.Deferred().always( function() {
    7288             // don't match elem in the :animated selector
    7289             delete tick.elem;
    7290         }),
    7291         tick = function() {
    7292             if ( stopped ) {
    7293                 return false;
    7294             }
    7295             var currentTime = fxNow || createFxNow(),
    7296                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
    7297                 // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
    7298                 temp = remaining / animation.duration || 0,
    7299                 percent = 1 - temp,
    7300                 index = 0,
    7301                 length = animation.tweens.length;
    7302
    7303             for ( ; index < length ; index++ ) {
    7304                 animation.tweens[ index ].run( percent );
    7305             }
    7306
    7307             deferred.notifyWith( elem, [ animation, percent, remaining ]);
    7308
    7309             if ( percent < 1 && length ) {
    7310                 return remaining;
    7311             } else {
    7312                 deferred.resolveWith( elem, [ animation ] );
    7313                 return false;
    7314             }
    7315         },
    7316         animation = deferred.promise({
    7317             elem: elem,
    7318             props: jQuery.extend( {}, properties ),
    7319             opts: jQuery.extend( true, { specialEasing: {} }, options ),
    7320             originalProperties: properties,
    7321             originalOptions: options,
    7322             startTime: fxNow || createFxNow(),
    7323             duration: options.duration,
    7324             tweens: [],
    7325             createTween: function( prop, end ) {
    7326                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
    7327                         animation.opts.specialEasing[ prop ] || animation.opts.easing );
    7328                 animation.tweens.push( tween );
    7329                 return tween;
    7330             },
    7331             stop: function( gotoEnd ) {
    7332                 var index = 0,
    7333                     // if we are going to the end, we want to run all the tweens
    7334                     // otherwise we skip this part
    7335                     length = gotoEnd ? animation.tweens.length : 0;
    7336                 if ( stopped ) {
    7337                     return this;
    7338                 }
    7339                 stopped = true;
    7340                 for ( ; index < length ; index++ ) {
    7341                     animation.tweens[ index ].run( 1 );
    7342                 }
    7343
    7344                 // resolve when we played the last frame
    7345                 // otherwise, reject
    7346                 if ( gotoEnd ) {
    7347                     deferred.resolveWith( elem, [ animation, gotoEnd ] );
    7348                 } else {
    7349                     deferred.rejectWith( elem, [ animation, gotoEnd ] );
    7350                 }
    7351                 return this;
    7352             }
    7353         }),
    7354         props = animation.props;
    7355
    7356     propFilter( props, animation.opts.specialEasing );
    7357
    7358     for ( ; index < length ; index++ ) {
    7359         result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
    7360         if ( result ) {
    7361             return result;
    7362         }
    7363     }
    7364
    7365     jQuery.map( props, createTween, animation );
    7366
    7367     if ( jQuery.isFunction( animation.opts.start ) ) {
    7368         animation.opts.start.call( elem, animation );
    7369     }
    7370
    7371     jQuery.fx.timer(
    7372         jQuery.extend( tick, {
    7373             elem: elem,
    7374             anim: animation,
    7375             queue: animation.opts.queue
    7376         })
    7377     );
    7378
    7379     // attach callbacks from options
    7380     return animation.progress( animation.opts.progress )
    7381         .done( animation.opts.done, animation.opts.complete )
    7382         .fail( animation.opts.fail )
    7383         .always( animation.opts.always );
    7384 }
    7385
    7386 jQuery.Animation = jQuery.extend( Animation, {
    7387     tweener: function( props, callback ) {
    7388         if ( jQuery.isFunction( props ) ) {
    7389             callback = props;
    7390             props = [ "*" ];
    7391         } else {
    7392             props = props.split(" ");
    7393         }
    7394
    7395         var prop,
    7396             index = 0,
    7397             length = props.length;
    7398
    7399         for ( ; index < length ; index++ ) {
    7400             prop = props[ index ];
    7401             tweeners[ prop ] = tweeners[ prop ] || [];
    7402             tweeners[ prop ].unshift( callback );
    7403         }
    7404     },
    7405
    7406     prefilter: function( callback, prepend ) {
    7407         if ( prepend ) {
    7408             animationPrefilters.unshift( callback );
    7409         } else {
    7410             animationPrefilters.push( callback );
    7411         }
    7412     }
    7413 });
    7414
    7415 jQuery.speed = function( speed, easing, fn ) {
    7416     var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
    7417         complete: fn || !fn && easing ||
    7418             jQuery.isFunction( speed ) && speed,
    7419         duration: speed,
    7420         easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
    7421     };
    7422
    7423     opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
    7424         opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
    7425
    7426     // normalize opt.queue - true/undefined/null -> "fx"
    7427     if ( opt.queue == null || opt.queue === true ) {
    7428         opt.queue = "fx";
    7429     }
    7430
    7431     // Queueing
    7432     opt.old = opt.complete;
    7433
    7434     opt.complete = function() {
    7435         if ( jQuery.isFunction( opt.old ) ) {
    7436             opt.old.call( this );
    7437         }
    7438
    7439         if ( opt.queue ) {
    7440             jQuery.dequeue( this, opt.queue );
    7441         }
    7442     };
    7443
    7444     return opt;
    7445 };
    7446
    7447 jQuery.fn.extend({
    7448     fadeTo: function( speed, to, easing, callback ) {
    7449
    7450         // show any hidden elements after setting opacity to 0
    7451         return this.filter( isHidden ).css( "opacity", 0 ).show()
    7452
    7453             // animate to the value specified
    7454             .end().animate({ opacity: to }, speed, easing, callback );
    7455     },
    7456     animate: function( prop, speed, easing, callback ) {
    7457         var empty = jQuery.isEmptyObject( prop ),
    7458             optall = jQuery.speed( speed, easing, callback ),
    7459             doAnimation = function() {
    7460                 // Operate on a copy of prop so per-property easing won't be lost
    7461                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
    7462
    7463                 // Empty animations, or finishing resolves immediately
    7464                 if ( empty || jQuery._data( this, "finish" ) ) {
    7465                     anim.stop( true );
    7466                 }
    7467             };
    7468             doAnimation.finish = doAnimation;
    7469
    7470         return empty || optall.queue === false ?
    7471             this.each( doAnimation ) :
    7472             this.queue( optall.queue, doAnimation );
    7473     },
    7474     stop: function( type, clearQueue, gotoEnd ) {
    7475         var stopQueue = function( hooks ) {
    7476             var stop = hooks.stop;
    7477             delete hooks.stop;
    7478             stop( gotoEnd );
    7479         };
    7480
    7481         if ( typeof type !== "string" ) {
    7482             gotoEnd = clearQueue;
    7483             clearQueue = type;
    7484             type = undefined;
    7485         }
    7486         if ( clearQueue && type !== false ) {
    7487             this.queue( type || "fx", [] );
    7488         }
    7489
    7490         return this.each(function() {
    7491             var dequeue = true,
    7492                 index = type != null && type + "queueHooks",
    7493                 timers = jQuery.timers,
    7494                 data = jQuery._data( this );
    7495
    7496             if ( index ) {
    7497                 if ( data[ index ] && data[ index ].stop ) {
    7498                     stopQueue( data[ index ] );
    7499                 }
    7500             } else {
    7501                 for ( index in data ) {
    7502                     if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
    7503                         stopQueue( data[ index ] );
    7504                     }
    7505                 }
    7506             }
    7507
    7508             for ( index = timers.length; index--; ) {
    7509                 if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
    7510                     timers[ index ].anim.stop( gotoEnd );
    7511                     dequeue = false;
    7512                     timers.splice( index, 1 );
    7513                 }
    7514             }
    7515
    7516             // start the next in the queue if the last step wasn't forced
    7517             // timers currently will call their complete callbacks, which will dequeue
    7518             // but only if they were gotoEnd
    7519             if ( dequeue || !gotoEnd ) {
    7520                 jQuery.dequeue( this, type );
    7521             }
    7522         });
    7523     },
    7524     finish: function( type ) {
    7525         if ( type !== false ) {
    7526             type = type || "fx";
    7527         }
    7528         return this.each(function() {
    7529             var index,
    7530                 data = jQuery._data( this ),
    7531                 queue = data[ type + "queue" ],
    7532                 hooks = data[ type + "queueHooks" ],
    7533                 timers = jQuery.timers,
    7534                 length = queue ? queue.length : 0;
    7535
    7536             // enable finishing flag on private data
    7537             data.finish = true;
    7538
    7539             // empty the queue first
    7540             jQuery.queue( this, type, [] );
    7541
    7542             if ( hooks && hooks.stop ) {
    7543                 hooks.stop.call( this, true );
    7544             }
    7545
    7546             // look for any active animations, and finish them
    7547             for ( index = timers.length; index--; ) {
    7548                 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
    7549                     timers[ index ].anim.stop( true );
    7550                     timers.splice( index, 1 );
    7551                 }
    7552             }
    7553
    7554             // look for any animations in the old queue and finish them
    7555             for ( index = 0; index < length; index++ ) {
    7556                 if ( queue[ index ] && queue[ index ].finish ) {
    7557                     queue[ index ].finish.call( this );
    7558                 }
    7559             }
    7560
    7561             // turn off finishing flag
    7562             delete data.finish;
    7563         });
    7564     }
    7565 });
    7566
    7567 jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
    7568     var cssFn = jQuery.fn[ name ];
    7569     jQuery.fn[ name ] = function( speed, easing, callback ) {
    7570         return speed == null || typeof speed === "boolean" ?
    7571             cssFn.apply( this, arguments ) :
    7572             this.animate( genFx( name, true ), speed, easing, callback );
    7573     };
    7574 });
    7575
    7576 // Generate shortcuts for custom animations
    7577 jQuery.each({
    7578     slideDown: genFx("show"),
    7579     slideUp: genFx("hide"),
    7580     slideToggle: genFx("toggle"),
    7581     fadeIn: { opacity: "show" },
    7582     fadeOut: { opacity: "hide" },
    7583     fadeToggle: { opacity: "toggle" }
    7584 }, function( name, props ) {
    7585     jQuery.fn[ name ] = function( speed, easing, callback ) {
    7586         return this.animate( props, speed, easing, callback );
    7587     };
    7588 });
    7589
    7590 jQuery.timers = [];
    7591 jQuery.fx.tick = function() {
    7592     var timer,
    7593         timers = jQuery.timers,
    7594         i = 0;
    7595
    7596     fxNow = jQuery.now();
    7597
    7598     for ( ; i < timers.length; i++ ) {
    7599         timer = timers[ i ];
    7600         // Checks the timer has not already been removed
    7601         if ( !timer() && timers[ i ] === timer ) {
    7602             timers.splice( i--, 1 );
    7603         }
    7604     }
    7605
    7606     if ( !timers.length ) {
    7607         jQuery.fx.stop();
    7608     }
    7609     fxNow = undefined;
    7610 };
    7611
    7612 jQuery.fx.timer = function( timer ) {
    7613     jQuery.timers.push( timer );
    7614     if ( timer() ) {
    7615         jQuery.fx.start();
    7616     } else {
    7617         jQuery.timers.pop();
    7618     }
    7619 };
    7620
    7621 jQuery.fx.interval = 13;
    7622
    7623 jQuery.fx.start = function() {
    7624     if ( !timerId ) {
    7625         timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
    7626     }
    7627 };
    7628
    7629 jQuery.fx.stop = function() {
    7630     clearInterval( timerId );
    7631     timerId = null;
    7632 };
    7633
    7634 jQuery.fx.speeds = {
    7635     slow: 600,
    7636     fast: 200,
    7637     // Default speed
    7638     _default: 400
    7639 };
    7640
    7641
    7642 // Based off of the plugin by Clint Helfers, with permission.
    7643 // http://blindsignals.com/index.php/2009/07/jquery-delay/
    7644 jQuery.fn.delay = function( time, type ) {
    7645     time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
    7646     type = type || "fx";
    7647
    7648     return this.queue( type, function( next, hooks ) {
    7649         var timeout = setTimeout( next, time );
    7650         hooks.stop = function() {
    7651             clearTimeout( timeout );
    7652         };
    7653     });
    7654 };
    7655
    7656
    7657 (function() {
    7658     // Minified: var a,b,c,d,e
    7659     var input, div, select, a, opt;
    7660
    7661     // Setup
    7662     div = document.createElement( "div" );
    7663     div.setAttribute( "className", "t" );
    7664     div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
    7665     a = div.getElementsByTagName("a")[ 0 ];
    7666
    7667     // First batch of tests.
    7668     select = document.createElement("select");
    7669     opt = select.appendChild( document.createElement("option") );
    7670     input = div.getElementsByTagName("input")[ 0 ];
    7671
    7672     a.style.cssText = "top:1px";
    7673
    7674     // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
    7675     support.getSetAttribute = div.className !== "t";
    7676
    7677     // Get the style information from getAttribute
    7678     // (IE uses .cssText instead)
    7679     support.style = /top/.test( a.getAttribute("style") );
    7680
    7681     // Make sure that URLs aren't manipulated
    7682     // (IE normalizes it by default)
    7683     support.hrefNormalized = a.getAttribute("href") === "/a";
    7684
    7685     // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
    7686     support.checkOn = !!input.value;
    7687
    7688     // Make sure that a selected-by-default option has a working selected property.
    7689     // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
    7690     support.optSelected = opt.selected;
    7691
    7692     // Tests for enctype support on a form (#6743)
    7693     support.enctype = !!document.createElement("form").enctype;
    7694
    7695     // Make sure that the options inside disabled selects aren't marked as disabled
    7696     // (WebKit marks them as disabled)
    7697     select.disabled = true;
    7698     support.optDisabled = !opt.disabled;
    7699
    7700     // Support: IE8 only
    7701     // Check if we can trust getAttribute("value")
    7702     input = document.createElement( "input" );
    7703     input.setAttribute( "value", "" );
    7704     support.input = input.getAttribute( "value" ) === "";
    7705
    7706     // Check if an input maintains its value after becoming a radio
    7707     input.value = "t";
    7708     input.setAttribute( "type", "radio" );
    7709     support.radioValue = input.value === "t";
    7710 })();
    7711
    7712
    7713 var rreturn = /\r/g;
    7714
    7715 jQuery.fn.extend({
    7716     val: function( value ) {
    7717         var hooks, ret, isFunction,
    7718             elem = this[0];
    7719
    7720         if ( !arguments.length ) {
    7721             if ( elem ) {
    7722                 hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
    7723
    7724                 if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
    7725                     return ret;
    7726                 }
    7727
    7728                 ret = elem.value;
    7729
    7730                 return typeof ret === "string" ?
    7731                     // handle most common string cases
    7732                     ret.replace(rreturn, "") :
    7733                     // handle cases where value is null/undef or number
    7734                     ret == null ? "" : ret;
    7735             }
    7736
    7737             return;
    7738         }
    7739
    7740         isFunction = jQuery.isFunction( value );
    7741
    7742         return this.each(function( i ) {
    7743             var val;
    7744
    7745             if ( this.nodeType !== 1 ) {
    7746                 return;
    7747             }
    7748
    7749             if ( isFunction ) {
    7750                 val = value.call( this, i, jQuery( this ).val() );
    7751             } else {
    7752                 val = value;
    7753             }
    7754
    7755             // Treat null/undefined as ""; convert numbers to string
    7756             if ( val == null ) {
    7757                 val = "";
    7758             } else if ( typeof val === "number" ) {
    7759                 val += "";
    7760             } else if ( jQuery.isArray( val ) ) {
    7761                 val = jQuery.map( val, function( value ) {
    7762                     return value == null ? "" : value + "";
    7763                 });
    7764             }
    7765
    7766             hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
    7767
    7768             // If set returns undefined, fall back to normal setting
    7769             if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
    7770                 this.value = val;
    7771             }
    7772         });
    7773     }
    7774 });
    7775
    7776 jQuery.extend({
    7777     valHooks: {
    7778         option: {
    7779             get: function( elem ) {
    7780                 var val = jQuery.find.attr( elem, "value" );
    7781                 return val != null ?
    7782                     val :
    7783                     // Support: IE10-11+
    7784                     // option.text throws exceptions (#14686, #14858)
    7785                     jQuery.trim( jQuery.text( elem ) );
    7786             }
    7787         },
    7788         select: {
    7789             get: function( elem ) {
    7790                 var value, option,
    7791                     options = elem.options,
    7792                     index = elem.selectedIndex,
    7793                     one = elem.type === "select-one" || index < 0,
    7794                     values = one ? null : [],
    7795                     max = one ? index + 1 : options.length,
    7796                     i = index < 0 ?
    7797                         max :
    7798                         one ? index : 0;
    7799
    7800                 // Loop through all the selected options
    7801                 for ( ; i < max; i++ ) {
    7802                     option = options[ i ];
    7803
    7804                     // oldIE doesn't update selected after form reset (#2551)
    7805                     if ( ( option.selected || i === index ) &&
    7806                             // Don't return options that are disabled or in a disabled optgroup
    7807                             ( support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
    7808                             ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
    7809
    7810                         // Get the specific value for the option
    7811                         value = jQuery( option ).val();
    7812
    7813                         // We don't need an array for one selects
    7814                         if ( one ) {
    7815                             return value;
    7816                         }
    7817
    7818                         // Multi-Selects return an array
    7819                         values.push( value );
    7820                     }
    7821                 }
    7822
    7823                 return values;
    7824             },
    7825
    7826             set: function( elem, value ) {
    7827                 var optionSet, option,
    7828                     options = elem.options,
    7829                     values = jQuery.makeArray( value ),
    7830                     i = options.length;
    7831
    7832                 while ( i-- ) {
    7833                     option = options[ i ];
    7834
    7835                     if ( jQuery.inArray( jQuery.valHooks.option.get( option ), values ) >= 0 ) {
    7836
    7837                         // Support: IE6
    7838                         // When new option element is added to select box we need to
    7839                         // force reflow of newly added node in order to workaround delay
    7840                         // of initialization properties
    7841                         try {
    7842                             option.selected = optionSet = true;
    7843
    7844                         } catch ( _ ) {
    7845
    7846                             // Will be executed only in IE6
    7847                             option.scrollHeight;
    7848                         }
    7849
    7850                     } else {
    7851                         option.selected = false;
    7852                     }
    7853                 }
    7854
    7855                 // Force browsers to behave consistently when non-matching value is set
    7856                 if ( !optionSet ) {
    7857                     elem.selectedIndex = -1;
    7858                 }
    7859
    7860                 return options;
    7861             }
    7862         }
    7863     }
    7864 });
    7865
    7866 // Radios and checkboxes getter/setter
    7867 jQuery.each([ "radio", "checkbox" ], function() {
    7868     jQuery.valHooks[ this ] = {
    7869         set: function( elem, value ) {
    7870             if ( jQuery.isArray( value ) ) {
    7871                 return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
    7872             }
    7873         }
    7874     };
    7875     if ( !support.checkOn ) {
    7876         jQuery.valHooks[ this ].get = function( elem ) {
    7877             // Support: Webkit
    7878             // "" is returned instead of "on" if a value isn't specified
    7879             return elem.getAttribute("value") === null ? "on" : elem.value;
    7880         };
    7881     }
    7882 });
    7883
    7884
    7885
    7886
    7887 var nodeHook, boolHook,
    7888     attrHandle = jQuery.expr.attrHandle,
    7889     ruseDefault = /^(?:checked|selected)$/i,
    7890     getSetAttribute = support.getSetAttribute,
    7891     getSetInput = support.input;
    7892
    7893 jQuery.fn.extend({
    7894     attr: function( name, value ) {
    7895         return access( this, jQuery.attr, name, value, arguments.length > 1 );
    7896     },
    7897
    7898     removeAttr: function( name ) {
    7899         return this.each(function() {
    7900             jQuery.removeAttr( this, name );
    7901         });
    7902     }
    7903 });
    7904
    7905 jQuery.extend({
    7906     attr: function( elem, name, value ) {
    7907         var hooks, ret,
    7908             nType = elem.nodeType;
    7909
    7910         // don't get/set attributes on text, comment and attribute nodes
    7911         if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
    7912             return;
    7913         }
    7914
    7915         // Fallback to prop when attributes are not supported
    7916         if ( typeof elem.getAttribute === strundefined ) {
    7917             return jQuery.prop( elem, name, value );
    7918         }
    7919
    7920         // All attributes are lowercase
    7921         // Grab necessary hook if one is defined
    7922         if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
    7923             name = name.toLowerCase();
    7924             hooks = jQuery.attrHooks[ name ] ||
    7925                 ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
    7926         }
    7927
    7928         if ( value !== undefined ) {
    7929
    7930             if ( value === null ) {
    7931                 jQuery.removeAttr( elem, name );
    7932
    7933             } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
    7934                 return ret;
    7935
    7936             } else {
    7937                 elem.setAttribute( name, value + "" );
    7938                 return value;
    7939             }
    7940
    7941         } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
    7942             return ret;
    7943
    7944         } else {
    7945             ret = jQuery.find.attr( elem, name );
    7946
    7947             // Non-existent attributes return null, we normalize to undefined
    7948             return ret == null ?
    7949                 undefined :
    7950                 ret;
    7951         }
    7952     },
    7953
    7954     removeAttr: function( elem, value ) {
    7955         var name, propName,
    7956             i = 0,
    7957             attrNames = value && value.match( rnotwhite );
    7958
    7959         if ( attrNames && elem.nodeType === 1 ) {
    7960             while ( (name = attrNames[i++]) ) {
    7961                 propName = jQuery.propFix[ name ] || name;
    7962
    7963                 // Boolean attributes get special treatment (#10870)
    7964                 if ( jQuery.expr.match.bool.test( name ) ) {
    7965                     // Set corresponding property to false
    7966                     if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
    7967                         elem[ propName ] = false;
    7968                     // Support: IE<9
    7969                     // Also clear defaultChecked/defaultSelected (if appropriate)
    7970                     } else {
    7971                         elem[ jQuery.camelCase( "default-" + name ) ] =
    7972                             elem[ propName ] = false;
    7973                     }
    7974
    7975                 // See #9699 for explanation of this approach (setting first, then removal)
    7976                 } else {
    7977                     jQuery.attr( elem, name, "" );
    7978                 }
    7979
    7980                 elem.removeAttribute( getSetAttribute ? name : propName );
    7981             }
    7982         }
    7983     },
    7984
    7985     attrHooks: {
    7986         type: {
    7987             set: function( elem, value ) {
    7988                 if ( !support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
    7989                     // Setting the type on a radio button after the value resets the value in IE6-9
    7990                     // Reset value to default in case type is set after value during creation
    7991                     var val = elem.value;
    7992                     elem.setAttribute( "type", value );
    7993                     if ( val ) {
    7994                         elem.value = val;
    7995                     }
    7996                     return value;
    7997                 }
    7998             }
    7999         }
    8000     }
    8001 });
    8002
    8003 // Hook for boolean attributes
    8004 boolHook = {
    8005     set: function( elem, value, name ) {
    8006         if ( value === false ) {
    8007             // Remove boolean attributes when set to false
    8008             jQuery.removeAttr( elem, name );
    8009         } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
    8010             // IE<8 needs the *property* name
    8011             elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
    8012
    8013         // Use defaultChecked and defaultSelected for oldIE
    8014         } else {
    8015             elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
    8016         }
    8017
    8018         return name;
    8019     }
    8020 };
    8021
    8022 // Retrieve booleans specially
    8023 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
    8024
    8025     var getter = attrHandle[ name ] || jQuery.find.attr;
    8026
    8027     attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
    8028         function( elem, name, isXML ) {
    8029             var ret, handle;
    8030             if ( !isXML ) {
    8031                 // Avoid an infinite loop by temporarily removing this function from the getter
    8032                 handle = attrHandle[ name ];
    8033                 attrHandle[ name ] = ret;
    8034                 ret = getter( elem, name, isXML ) != null ?
    8035                     name.toLowerCase() :
    8036                     null;
    8037                 attrHandle[ name ] = handle;
    8038             }
    8039             return ret;
    8040         } :
    8041         function( elem, name, isXML ) {
    8042             if ( !isXML ) {
    8043                 return elem[ jQuery.camelCase( "default-" + name ) ] ?
    8044                     name.toLowerCase() :
    8045                     null;
    8046             }
    8047         };
    8048 });
    8049
    8050 // fix oldIE attroperties
    8051 if ( !getSetInput || !getSetAttribute ) {
    8052     jQuery.attrHooks.value = {
    8053         set: function( elem, value, name ) {
    8054             if ( jQuery.nodeName( elem, "input" ) ) {
    8055                 // Does not return so that setAttribute is also used
    8056                 elem.defaultValue = value;
    8057             } else {
    8058                 // Use nodeHook if defined (#1954); otherwise setAttribute is fine
    8059                 return nodeHook && nodeHook.set( elem, value, name );
    8060             }
    8061         }
    8062     };
    8063 }
    8064
    8065 // IE6/7 do not support getting/setting some attributes with get/setAttribute
    8066 if ( !getSetAttribute ) {
    8067
    8068     // Use this for any attribute in IE6/7
    8069     // This fixes almost every IE6/7 issue
    8070     nodeHook = {
    8071         set: function( elem, value, name ) {
    8072             // Set the existing or create a new attribute node
    8073             var ret = elem.getAttributeNode( name );
    8074             if ( !ret ) {
    8075                 elem.setAttributeNode(
    8076                     (ret = elem.ownerDocument.createAttribute( name ))
    8077                 );
    8078             }
    8079
    8080             ret.value = value += "";
    8081
    8082             // Break association with cloned elements by also using setAttribute (#9646)
    8083             if ( name === "value" || value === elem.getAttribute( name ) ) {
    8084                 return value;
    8085             }
    8086         }
    8087     };
    8088
    8089     // Some attributes are constructed with empty-string values when not defined
    8090     attrHandle.id = attrHandle.name = attrHandle.coords =
    8091         function( elem, name, isXML ) {
    8092             var ret;
    8093             if ( !isXML ) {
    8094                 return (ret = elem.getAttributeNode( name )) && ret.value !== "" ?
    8095                     ret.value :
    8096                     null;
    8097             }
    8098         };
    8099
    8100     // Fixing value retrieval on a button requires this module
    8101     jQuery.valHooks.button = {
    8102         get: function( elem, name ) {
    8103             var ret = elem.getAttributeNode( name );
    8104             if ( ret && ret.specified ) {
    8105                 return ret.value;
    8106             }
    8107         },
    8108         set: nodeHook.set
    8109     };
    8110
    8111     // Set contenteditable to false on removals(#10429)
    8112     // Setting to empty string throws an error as an invalid value
    8113     jQuery.attrHooks.contenteditable = {
    8114         set: function( elem, value, name ) {
    8115             nodeHook.set( elem, value === "" ? false : value, name );
    8116         }
    8117     };
    8118
    8119     // Set width and height to auto instead of 0 on empty string( Bug #8150 )
    8120     // This is for removals
    8121     jQuery.each([ "width", "height" ], function( i, name ) {
    8122         jQuery.attrHooks[ name ] = {
    8123             set: function( elem, value ) {
    8124                 if ( value === "" ) {
    8125                     elem.setAttribute( name, "auto" );
    8126                     return value;
    8127                 }
    8128             }
    8129         };
    8130     });
    8131 }
    8132
    8133 if ( !support.style ) {
    8134     jQuery.attrHooks.style = {
    8135         get: function( elem ) {
    8136             // Return undefined in the case of empty string
    8137             // Note: IE uppercases css property names, but if we were to .toLowerCase()
    8138             // .cssText, that would destroy case senstitivity in URL's, like in "background"
    8139             return elem.style.cssText || undefined;
    8140         },
    8141         set: function( elem, value ) {
    8142             return ( elem.style.cssText = value + "" );
    8143         }
    8144     };
    8145 }
    8146
    8147
    8148
    8149
    8150 var rfocusable = /^(?:input|select|textarea|button|object)$/i,
    8151     rclickable = /^(?:a|area)$/i;
    8152
    8153 jQuery.fn.extend({
    8154     prop: function( name, value ) {
    8155         return access( this, jQuery.prop, name, value, arguments.length > 1 );
    8156     },
    8157
    8158     removeProp: function( name ) {
    8159         name = jQuery.propFix[ name ] || name;
    8160         return this.each(function() {
    8161             // try/catch handles cases where IE balks (such as removing a property on window)
    8162             try {
    8163                 this[ name ] = undefined;
    8164                 delete this[ name ];
    8165             } catch( e ) {}
    8166         });
    8167     }
    8168 });
    8169
    8170 jQuery.extend({
    8171     propFix: {
    8172         "for": "htmlFor",
    8173         "class": "className"
    8174     },
    8175
    8176     prop: function( elem, name, value ) {
    8177         var ret, hooks, notxml,
    8178             nType = elem.nodeType;
    8179
    8180         // don't get/set properties on text, comment and attribute nodes
    8181         if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
    8182             return;
    8183         }
    8184
    8185         notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
    8186
    8187         if ( notxml ) {
    8188             // Fix name and attach hooks
    8189             name = jQuery.propFix[ name ] || name;
    8190             hooks = jQuery.propHooks[ name ];
    8191         }
    8192
    8193         if ( value !== undefined ) {
    8194             return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
    8195                 ret :
    8196                 ( elem[ name ] = value );
    8197
    8198         } else {
    8199             return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
    8200                 ret :
    8201                 elem[ name ];
    8202         }
    8203     },
    8204
    8205     propHooks: {
    8206         tabIndex: {
    8207             get: function( elem ) {
    8208                 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
    8209                 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
    8210                 // Use proper attribute retrieval(#12072)
    8211                 var tabindex = jQuery.find.attr( elem, "tabindex" );
    8212
    8213                 return tabindex ?
    8214                     parseInt( tabindex, 10 ) :
    8215                     rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
    8216                         0 :
    8217                         -1;
    8218             }
    8219         }
    8220     }
    8221 });
    8222
    8223 // Some attributes require a special call on IE
    8224 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
    8225 if ( !support.hrefNormalized ) {
    8226     // href/src property should get the full normalized URL (#10299/#12915)
    8227     jQuery.each([ "href", "src" ], function( i, name ) {
    8228         jQuery.propHooks[ name ] = {
    8229             get: function( elem ) {
    8230                 return elem.getAttribute( name, 4 );
    8231             }
    8232         };
    8233     });
    8234 }
    8235
    8236 // Support: Safari, IE9+
    8237 // mis-reports the default selected property of an option
    8238 // Accessing the parent's selectedIndex property fixes it
    8239 if ( !support.optSelected ) {
    8240     jQuery.propHooks.selected = {
    8241         get: function( elem ) {
    8242             var parent = elem.parentNode;
    8243
    8244             if ( parent ) {
    8245                 parent.selectedIndex;
    8246
    8247                 // Make sure that it also works with optgroups, see #5701
    8248                 if ( parent.parentNode ) {
    8249                     parent.parentNode.selectedIndex;
    8250                 }
    8251             }
    8252             return null;
    8253         }
    8254     };
    8255 }
    8256
    8257 jQuery.each([
    8258     "tabIndex",
    8259     "readOnly",
    8260     "maxLength",
    8261     "cellSpacing",
    8262     "cellPadding",
    8263     "rowSpan",
    8264     "colSpan",
    8265     "useMap",
    8266     "frameBorder",
    8267     "contentEditable"
    8268 ], function() {
    8269     jQuery.propFix[ this.toLowerCase() ] = this;
    8270 });
    8271
    8272 // IE6/7 call enctype encoding
    8273 if ( !support.enctype ) {
    8274     jQuery.propFix.enctype = "encoding";
    8275 }
    8276
    8277
    8278
    8279
    8280 var rclass = /[\t\r\n\f]/g;
    8281
    8282 jQuery.fn.extend({
    8283     addClass: function( value ) {
    8284         var classes, elem, cur, clazz, j, finalValue,
    8285             i = 0,
    8286             len = this.length,
    8287             proceed = typeof value === "string" && value;
    8288
    8289         if ( jQuery.isFunction( value ) ) {
    8290             return this.each(function( j ) {
    8291                 jQuery( this ).addClass( value.call( this, j, this.className ) );
    8292             });
    8293         }
    8294
    8295         if ( proceed ) {
    8296             // The disjunction here is for better compressibility (see removeClass)
    8297             classes = ( value || "" ).match( rnotwhite ) || [];
    8298
    8299             for ( ; i < len; i++ ) {
    8300                 elem = this[ i ];
    8301                 cur = elem.nodeType === 1 && ( elem.className ?
    8302                     ( " " + elem.className + " " ).replace( rclass, " " ) :
    8303                     " "
    8304                 );
    8305
    8306                 if ( cur ) {
    8307                     j = 0;
    8308                     while ( (clazz = classes[j++]) ) {
    8309                         if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
    8310                             cur += clazz + " ";
    8311                         }
    8312                     }
    8313
    8314                     // only assign if different to avoid unneeded rendering.
    8315                     finalValue = jQuery.trim( cur );
    8316                     if ( elem.className !== finalValue ) {
    8317                         elem.className = finalValue;
    8318                     }
    8319                 }
    8320             }
    8321         }
    8322
    8323         return this;
    8324     },
    8325
    8326     removeClass: function( value ) {
    8327         var classes, elem, cur, clazz, j, finalValue,
    8328             i = 0,
    8329             len = this.length,
    8330             proceed = arguments.length === 0 || typeof value === "string" && value;
    8331
    8332         if ( jQuery.isFunction( value ) ) {
    8333             return this.each(function( j ) {
    8334                 jQuery( this ).removeClass( value.call( this, j, this.className ) );
    8335             });
    8336         }
    8337         if ( proceed ) {
    8338             classes = ( value || "" ).match( rnotwhite ) || [];
    8339
    8340             for ( ; i < len; i++ ) {
    8341                 elem = this[ i ];
    8342                 // This expression is here for better compressibility (see addClass)
    8343                 cur = elem.nodeType === 1 && ( elem.className ?
    8344                     ( " " + elem.className + " " ).replace( rclass, " " ) :
    8345                     ""
    8346                 );
    8347
    8348                 if ( cur ) {
    8349                     j = 0;
    8350                     while ( (clazz = classes[j++]) ) {
    8351                         // Remove *all* instances
    8352                         while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
    8353                             cur = cur.replace( " " + clazz + " ", " " );
    8354                         }
    8355                     }
    8356
    8357                     // only assign if different to avoid unneeded rendering.
    8358                     finalValue = value ? jQuery.trim( cur ) : "";
    8359                     if ( elem.className !== finalValue ) {
    8360                         elem.className = finalValue;
    8361                     }
    8362                 }
    8363             }
    8364         }
    8365
    8366         return this;
    8367     },
    8368
    8369     toggleClass: function( value, stateVal ) {
    8370         var type = typeof value;
    8371
    8372         if ( typeof stateVal === "boolean" && type === "string" ) {
    8373             return stateVal ? this.addClass( value ) : this.removeClass( value );
    8374         }
    8375
    8376         if ( jQuery.isFunction( value ) ) {
    8377             return this.each(function( i ) {
    8378                 jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
    8379             });
    8380         }
    8381
    8382         return this.each(function() {
    8383             if ( type === "string" ) {
    8384                 // toggle individual class names
    8385                 var className,
    8386                     i = 0,
    8387                     self = jQuery( this ),
    8388                     classNames = value.match( rnotwhite ) || [];
    8389
    8390                 while ( (className = classNames[ i++ ]) ) {
    8391                     // check each className given, space separated list
    8392                     if ( self.hasClass( className ) ) {
    8393                         self.removeClass( className );
    8394                     } else {
    8395                         self.addClass( className );
    8396                     }
    8397                 }
    8398
    8399             // Toggle whole class name
    8400             } else if ( type === strundefined || type === "boolean" ) {
    8401                 if ( this.className ) {
    8402                     // store className if set
    8403                     jQuery._data( this, "__className__", this.className );
    8404                 }
    8405
    8406                 // If the element has a class name or if we're passed "false",
    8407                 // then remove the whole classname (if there was one, the above saved it).
    8408                 // Otherwise bring back whatever was previously saved (if anything),
    8409                 // falling back to the empty string if nothing was stored.
    8410                 this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
    8411             }
    8412         });
    8413     },
    8414
    8415     hasClass: function( selector ) {
    8416         var className = " " + selector + " ",
    8417             i = 0,
    8418             l = this.length;
    8419         for ( ; i < l; i++ ) {
    8420             if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
    8421                 return true;
    8422             }
    8423         }
    8424
    8425         return false;
    8426     }
    8427 });
    8428
    8429
    8430
    8431
    8432 // Return jQuery for attributes-only inclusion
    8433
    8434
    8435 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
    8436     "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
    8437     "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
    8438
    8439     // Handle event binding
    8440     jQuery.fn[ name ] = function( data, fn ) {
    8441         return arguments.length > 0 ?
    8442             this.on( name, null, data, fn ) :
    8443             this.trigger( name );
    8444     };
    8445 });
    8446
    8447 jQuery.fn.extend({
    8448     hover: function( fnOver, fnOut ) {
    8449         return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
    8450     },
    8451
    8452     bind: function( types, data, fn ) {
    8453         return this.on( types, null, data, fn );
    8454     },
    8455     unbind: function( types, fn ) {
    8456         return this.off( types, null, fn );
    8457     },
    8458
    8459     delegate: function( selector, types, data, fn ) {
    8460         return this.on( types, selector, data, fn );
    8461     },
    8462     undelegate: function( selector, types, fn ) {
    8463         // ( namespace ) or ( selector, types [, fn] )
    8464         return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
    8465     }
    8466 });
    8467
    8468
    8469 var nonce = jQuery.now();
    8470
    8471 var rquery = (/\?/);
    8472
    8473
    8474
    8475 var rvalidtokens = /(,)|(\[|{)|(}|])|"(?:[^"\\\r\n]|\\["\\\/bfnrt]|\\u[\da-fA-F]{4})*"\s*:?|true|false|null|-?(?!0\d)\d+(?:\.\d+|)(?:[eE][+-]?\d+|)/g;
    8476
    8477 jQuery.parseJSON = function( data ) {
    8478     // Attempt to parse using the native JSON parser first
    8479     if ( window.JSON && window.JSON.parse ) {
    8480         // Support: Android 2.3
    8481         // Workaround failure to string-cast null input
    8482         return window.JSON.parse( data + "" );
    8483     }
    8484
    8485     var requireNonComma,
    8486         depth = null,
    8487         str = jQuery.trim( data + "" );
    8488
    8489     // Guard against invalid (and possibly dangerous) input by ensuring that nothing remains
    8490     // after removing valid tokens
    8491     return str && !jQuery.trim( str.replace( rvalidtokens, function( token, comma, open, close ) {
    8492
    8493         // Force termination if we see a misplaced comma
    8494         if ( requireNonComma && comma ) {
    8495             depth = 0;
    8496         }
    8497
    8498         // Perform no more replacements after returning to outermost depth
    8499         if ( depth === 0 ) {
    8500             return token;
    8501         }
    8502
    8503         // Commas must not follow "[", "{", or ","
    8504         requireNonComma = open || comma;
    8505
    8506         // Determine new depth
    8507         // array/object open ("[" or "{"): depth += true - false (increment)
    8508         // array/object close ("]" or "}"): depth += false - true (decrement)
    8509         // other cases ("," or primitive): depth += true - true (numeric cast)
    8510         depth += !close - !open;
    8511
    8512         // Remove this token
    8513         return "";
    8514     }) ) ?
    8515         ( Function( "return " + str ) )() :
    8516         jQuery.error( "Invalid JSON: " + data );
    8517 };
    8518
    8519
    8520 // Cross-browser xml parsing
    8521 jQuery.parseXML = function( data ) {
    8522     var xml, tmp;
    8523     if ( !data || typeof data !== "string" ) {
    8524         return null;
    8525     }
    8526     try {
    8527         if ( window.DOMParser ) { // Standard
    8528             tmp = new DOMParser();
    8529             xml = tmp.parseFromString( data, "text/xml" );
    8530         } else { // IE
    8531             xml = new ActiveXObject( "Microsoft.XMLDOM" );
    8532             xml.async = "false";
    8533             xml.loadXML( data );
    8534         }
    8535     } catch( e ) {
    8536         xml = undefined;
    8537     }
    8538     if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
    8539         jQuery.error( "Invalid XML: " + data );
    8540     }
    8541     return xml;
    8542 };
    8543
    8544
    8545 var
    8546     // Document location
    8547     ajaxLocParts,
    8548     ajaxLocation,
    8549
    8550     rhash = /#.*$/,
    8551     rts = /([?&])_=[^&]*/,
    8552     rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
    8553     // #7653, #8125, #8152: local protocol detection
    8554     rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
    8555     rnoContent = /^(?:GET|HEAD)$/,
    8556     rprotocol = /^\/\//,
    8557     rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
    8558
    8559     /* Prefilters
    8560      * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
    8561      * 2) These are called:
    8562      *    - BEFORE asking for a transport
    8563      *    - AFTER param serialization (s.data is a string if s.processData is true)
    8564      * 3) key is the dataType
    8565      * 4) the catchall symbol "*" can be used
    8566      * 5) execution will start with transport dataType and THEN continue down to "*" if needed
    8567      */
    8568     prefilters = {},
    8569
    8570     /* Transports bindings
    8571      * 1) key is the dataType
    8572      * 2) the catchall symbol "*" can be used
    8573      * 3) selection will start with transport dataType and THEN go to "*" if needed
    8574      */
    8575     transports = {},
    8576
    8577     // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
    8578     allTypes = "*/".concat("*");
    8579
    8580 // #8138, IE may throw an exception when accessing
    8581 // a field from window.location if document.domain has been set
    8582 try {
    8583     ajaxLocation = location.href;
    8584 } catch( e ) {
    8585     // Use the href attribute of an A element
    8586     // since IE will modify it given document.location
    8587     ajaxLocation = document.createElement( "a" );
    8588     ajaxLocation.href = "";
    8589     ajaxLocation = ajaxLocation.href;
    8590 }
    8591
    8592 // Segment location into parts
    8593 ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
    8594
    8595 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
    8596 function addToPrefiltersOrTransports( structure ) {
    8597
    8598     // dataTypeExpression is optional and defaults to "*"
    8599     return function( dataTypeExpression, func ) {
    8600
    8601         if ( typeof dataTypeExpression !== "string" ) {
    8602             func = dataTypeExpression;
    8603             dataTypeExpression = "*";
    8604         }
    8605
    8606         var dataType,
    8607             i = 0,
    8608             dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
    8609
    8610         if ( jQuery.isFunction( func ) ) {
    8611             // For each dataType in the dataTypeExpression
    8612             while ( (dataType = dataTypes[i++]) ) {
    8613                 // Prepend if requested
    8614                 if ( dataType.charAt( 0 ) === "+" ) {
    8615                     dataType = dataType.slice( 1 ) || "*";
    8616                     (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
    8617
    8618                 // Otherwise append
    8619                 } else {
    8620                     (structure[ dataType ] = structure[ dataType ] || []).push( func );
    8621                 }
    8622             }
    8623         }
    8624     };
    8625 }
    8626
    8627 // Base inspection function for prefilters and transports
    8628 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
    8629
    8630     var inspected = {},
    8631         seekingTransport = ( structure === transports );
    8632
    8633     function inspect( dataType ) {
    8634         var selected;
    8635         inspected[ dataType ] = true;
    8636         jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
    8637             var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
    8638             if ( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
    8639                 options.dataTypes.unshift( dataTypeOrTransport );
    8640                 inspect( dataTypeOrTransport );
    8641                 return false;
    8642             } else if ( seekingTransport ) {
    8643                 return !( selected = dataTypeOrTransport );
    8644             }
    8645         });
    8646         return selected;
    8647     }
    8648
    8649     return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
    8650 }
    8651
    8652 // A special extend for ajax options
    8653 // that takes "flat" options (not to be deep extended)
    8654 // Fixes #9887
    8655 function ajaxExtend( target, src ) {
    8656     var deep, key,
    8657         flatOptions = jQuery.ajaxSettings.flatOptions || {};
    8658
    8659     for ( key in src ) {
    8660         if ( src[ key ] !== undefined ) {
    8661             ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
    8662         }
    8663     }
    8664     if ( deep ) {
    8665         jQuery.extend( true, target, deep );
    8666     }
    8667
    8668     return target;
    8669 }
    8670
    8671 /* Handles responses to an ajax request:
    8672  * - finds the right dataType (mediates between content-type and expected dataType)
    8673  * - returns the corresponding response
    8674  */
    8675 function ajaxHandleResponses( s, jqXHR, responses ) {
    8676     var firstDataType, ct, finalDataType, type,
    8677         contents = s.contents,
    8678         dataTypes = s.dataTypes;
    8679
    8680     // Remove auto dataType and get content-type in the process
    8681     while ( dataTypes[ 0 ] === "*" ) {
    8682         dataTypes.shift();
    8683         if ( ct === undefined ) {
    8684             ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
    8685         }
    8686     }
    8687
    8688     // Check if we're dealing with a known content-type
    8689     if ( ct ) {
    8690         for ( type in contents ) {
    8691             if ( contents[ type ] && contents[ type ].test( ct ) ) {
    8692                 dataTypes.unshift( type );
    8693                 break;
    8694             }
    8695         }
    8696     }
    8697
    8698     // Check to see if we have a response for the expected dataType
    8699     if ( dataTypes[ 0 ] in responses ) {
    8700         finalDataType = dataTypes[ 0 ];
    8701     } else {
    8702         // Try convertible dataTypes
    8703         for ( type in responses ) {
    8704             if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
    8705                 finalDataType = type;
    8706                 break;
    8707             }
    8708             if ( !firstDataType ) {
    8709                 firstDataType = type;
    8710             }
    8711         }
    8712         // Or just use first one
    8713         finalDataType = finalDataType || firstDataType;
    8714     }
    8715
    8716     // If we found a dataType
    8717     // We add the dataType to the list if needed
    8718     // and return the corresponding response
    8719     if ( finalDataType ) {
    8720         if ( finalDataType !== dataTypes[ 0 ] ) {
    8721             dataTypes.unshift( finalDataType );
    8722         }
    8723         return responses[ finalDataType ];
    8724     }
    8725 }
    8726
    8727 /* Chain conversions given the request and the original response
    8728  * Also sets the responseXXX fields on the jqXHR instance
    8729  */
    8730 function ajaxConvert( s, response, jqXHR, isSuccess ) {
    8731     var conv2, current, conv, tmp, prev,
    8732         converters = {},
    8733         // Work with a copy of dataTypes in case we need to modify it for conversion
    8734         dataTypes = s.dataTypes.slice();
    8735
    8736     // Create converters map with lowercased keys
    8737     if ( dataTypes[ 1 ] ) {
    8738         for ( conv in s.converters ) {
    8739             converters[ conv.toLowerCase() ] = s.converters[ conv ];
    8740         }
    8741     }
    8742
    8743     current = dataTypes.shift();
    8744
    8745     // Convert to each sequential dataType
    8746     while ( current ) {
    8747
    8748         if ( s.responseFields[ current ] ) {
    8749             jqXHR[ s.responseFields[ current ] ] = response;
    8750         }
    8751
    8752         // Apply the dataFilter if provided
    8753         if ( !prev && isSuccess && s.dataFilter ) {
    8754             response = s.dataFilter( response, s.dataType );
    8755         }
    8756
    8757         prev = current;
    8758         current = dataTypes.shift();
    8759
    8760         if ( current ) {
    8761
    8762             // There's only work to do if current dataType is non-auto
    8763             if ( current === "*" ) {
    8764
    8765                 current = prev;
    8766
    8767             // Convert response if prev dataType is non-auto and differs from current
    8768             } else if ( prev !== "*" && prev !== current ) {
    8769
    8770                 // Seek a direct converter
    8771                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
    8772
    8773                 // If none found, seek a pair
    8774                 if ( !conv ) {
    8775                     for ( conv2 in converters ) {
    8776
    8777                         // If conv2 outputs current
    8778                         tmp = conv2.split( " " );
    8779                         if ( tmp[ 1 ] === current ) {
    8780
    8781                             // If prev can be converted to accepted input
    8782                             conv = converters[ prev + " " + tmp[ 0 ] ] ||
    8783                                 converters[ "* " + tmp[ 0 ] ];
    8784                             if ( conv ) {
    8785                                 // Condense equivalence converters
    8786                                 if ( conv === true ) {
    8787                                     conv = converters[ conv2 ];
    8788
    8789                                 // Otherwise, insert the intermediate dataType
    8790                                 } else if ( converters[ conv2 ] !== true ) {
    8791                                     current = tmp[ 0 ];
    8792                                     dataTypes.unshift( tmp[ 1 ] );
    8793                                 }
    8794                                 break;
    8795                             }
    8796                         }
    8797                     }
    8798                 }
    8799
    8800                 // Apply converter (if not an equivalence)
    8801                 if ( conv !== true ) {
    8802
    8803                     // Unless errors are allowed to bubble, catch and return them
    8804                     if ( conv && s[ "throws" ] ) {
    8805                         response = conv( response );
    8806                     } else {
    8807                         try {
    8808                             response = conv( response );
    8809                         } catch ( e ) {
    8810                             return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
    8811                         }
    8812                     }
    8813                 }
    8814             }
    8815         }
    8816     }
    8817
    8818     return { state: "success", data: response };
    8819 }
    8820
    8821 jQuery.extend({
    8822
    8823     // Counter for holding the number of active queries
    8824     active: 0,
    8825
    8826     // Last-Modified header cache for next request
    8827     lastModified: {},
    8828     etag: {},
    8829
    8830     ajaxSettings: {
    8831         url: ajaxLocation,
    8832         type: "GET",
    8833         isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
    8834         global: true,
    8835         processData: true,
    8836         async: true,
    8837         contentType: "application/x-www-form-urlencoded; charset=UTF-8",
    8838         /*
    8839         timeout: 0,
    8840         data: null,
    8841         dataType: null,
    8842         username: null,
    8843         password: null,
    8844         cache: null,
    8845         throws: false,
    8846         traditional: false,
    8847         headers: {},
    8848         */
    8849
    8850         accepts: {
    8851             "*": allTypes,
    8852             text: "text/plain",
    8853             html: "text/html",
    8854             xml: "application/xml, text/xml",
    8855             json: "application/json, text/javascript"
    8856         },
    8857
    8858         contents: {
    8859             xml: /xml/,
    8860             html: /html/,
    8861             json: /json/
    8862         },
    8863
    8864         responseFields: {
    8865             xml: "responseXML",
    8866             text: "responseText",
    8867             json: "responseJSON"
    8868         },
    8869
    8870         // Data converters
    8871         // Keys separate source (or catchall "*") and destination types with a single space
    8872         converters: {
    8873
    8874             // Convert anything to text
    8875             "* text": String,
    8876
    8877             // Text to html (true = no transformation)
    8878             "text html": true,
    8879
    8880             // Evaluate text as a json expression
    8881             "text json": jQuery.parseJSON,
    8882
    8883             // Parse text as xml
    8884             "text xml": jQuery.parseXML
    8885         },
    8886
    8887         // For options that shouldn't be deep extended:
    8888         // you can add your own custom options here if
    8889         // and when you create one that shouldn't be
    8890         // deep extended (see ajaxExtend)
    8891         flatOptions: {
    8892             url: true,
    8893             context: true
    8894         }
    8895     },
    8896
    8897     // Creates a full fledged settings object into target
    8898     // with both ajaxSettings and settings fields.
    8899     // If target is omitted, writes into ajaxSettings.
    8900     ajaxSetup: function( target, settings ) {
    8901         return settings ?
    8902
    8903             // Building a settings object
    8904             ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
    8905
    8906             // Extending ajaxSettings
    8907             ajaxExtend( jQuery.ajaxSettings, target );
    8908     },
    8909
    8910     ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
    8911     ajaxTransport: addToPrefiltersOrTransports( transports ),
    8912
    8913     // Main method
    8914     ajax: function( url, options ) {
    8915
    8916         // If url is an object, simulate pre-1.5 signature
    8917         if ( typeof url === "object" ) {
    8918             options = url;
    8919             url = undefined;
    8920         }
    8921
    8922         // Force options to be an object
    8923         options = options || {};
    8924
    8925         var // Cross-domain detection vars
    8926             parts,
    8927             // Loop variable
    8928             i,
    8929             // URL without anti-cache param
    8930             cacheURL,
    8931             // Response headers as string
    8932             responseHeadersString,
    8933             // timeout handle
    8934             timeoutTimer,
    8935
    8936             // To know if global events are to be dispatched
    8937             fireGlobals,
    8938
    8939             transport,
    8940             // Response headers
    8941             responseHeaders,
    8942             // Create the final options object
    8943             s = jQuery.ajaxSetup( {}, options ),
    8944             // Callbacks context
    8945             callbackContext = s.context || s,
    8946             // Context for global events is callbackContext if it is a DOM node or jQuery collection
    8947             globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
    8948                 jQuery( callbackContext ) :
    8949                 jQuery.event,
    8950             // Deferreds
    8951             deferred = jQuery.Deferred(),
    8952             completeDeferred = jQuery.Callbacks("once memory"),
    8953             // Status-dependent callbacks
    8954             statusCode = s.statusCode || {},
    8955             // Headers (they are sent all at once)
    8956             requestHeaders = {},
    8957             requestHeadersNames = {},
    8958             // The jqXHR state
    8959             state = 0,
    8960             // Default abort message
    8961             strAbort = "canceled",
    8962             // Fake xhr
    8963             jqXHR = {
    8964                 readyState: 0,
    8965
    8966                 // Builds headers hashtable if needed
    8967                 getResponseHeader: function( key ) {
    8968                     var match;
    8969                     if ( state === 2 ) {
    8970                         if ( !responseHeaders ) {
    8971                             responseHeaders = {};
    8972                             while ( (match = rheaders.exec( responseHeadersString )) ) {
    8973                                 responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
    8974                             }
    8975                         }
    8976                         match = responseHeaders[ key.toLowerCase() ];
    8977                     }
    8978                     return match == null ? null : match;
    8979                 },
    8980
    8981                 // Raw string
    8982                 getAllResponseHeaders: function() {
    8983                     return state === 2 ? responseHeadersString : null;
    8984                 },
    8985
    8986                 // Caches the header
    8987                 setRequestHeader: function( name, value ) {
    8988                     var lname = name.toLowerCase();
    8989                     if ( !state ) {
    8990                         name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
    8991                         requestHeaders[ name ] = value;
    8992                     }
    8993                     return this;
    8994                 },
    8995
    8996                 // Overrides response content-type header
    8997                 overrideMimeType: function( type ) {
    8998                     if ( !state ) {
    8999                         s.mimeType = type;
    9000                     }
    9001                     return this;
    9002                 },
    9003
    9004                 // Status-dependent callbacks
    9005                 statusCode: function( map ) {
    9006                     var code;
    9007                     if ( map ) {
    9008                         if ( state < 2 ) {
    9009                             for ( code in map ) {
    9010                                 // Lazy-add the new callback in a way that preserves old ones
    9011                                 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
    9012                             }
    9013                         } else {
    9014                             // Execute the appropriate callbacks
    9015                             jqXHR.always( map[ jqXHR.status ] );
    9016                         }
    9017                     }
    9018                     return this;
    9019                 },
    9020
    9021                 // Cancel the request
    9022                 abort: function( statusText ) {
    9023                     var finalText = statusText || strAbort;
    9024                     if ( transport ) {
    9025                         transport.abort( finalText );
    9026                     }
    9027                     done( 0, finalText );
    9028                     return this;
    9029                 }
    9030             };
    9031
    9032         // Attach deferreds
    9033         deferred.promise( jqXHR ).complete = completeDeferred.add;
    9034         jqXHR.success = jqXHR.done;
    9035         jqXHR.error = jqXHR.fail;
    9036
    9037         // Remove hash character (#7531: and string promotion)
    9038         // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
    9039         // Handle falsy url in the settings object (#10093: consistency with old signature)
    9040         // We also use the url parameter if available
    9041         s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
    9042
    9043         // Alias method option to type as per ticket #12004
    9044         s.type = options.method || options.type || s.method || s.type;
    9045
    9046         // Extract dataTypes list
    9047         s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
    9048
    9049         // A cross-domain request is in order when we have a protocol:host:port mismatch
    9050         if ( s.crossDomain == null ) {
    9051             parts = rurl.exec( s.url.toLowerCase() );
    9052             s.crossDomain = !!( parts &&
    9053                 ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
    9054                     ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
    9055                         ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
    9056             );
    9057         }
    9058
    9059         // Convert data if not already a string
    9060         if ( s.data && s.processData && typeof s.data !== "string" ) {
    9061             s.data = jQuery.param( s.data, s.traditional );
    9062         }
    9063
    9064         // Apply prefilters
    9065         inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
    9066
    9067         // If request was aborted inside a prefilter, stop there
    9068         if ( state === 2 ) {
    9069             return jqXHR;
    9070         }
    9071
    9072         // We can fire global events as of now if asked to
    9073         fireGlobals = s.global;
    9074
    9075         // Watch for a new set of requests
    9076         if ( fireGlobals && jQuery.active++ === 0 ) {
    9077             jQuery.event.trigger("ajaxStart");
    9078         }
    9079
    9080         // Uppercase the type
    9081         s.type = s.type.toUpperCase();
    9082
    9083         // Determine if request has content
    9084         s.hasContent = !rnoContent.test( s.type );
    9085
    9086         // Save the URL in case we're toying with the If-Modified-Since
    9087         // and/or If-None-Match header later on
    9088         cacheURL = s.url;
    9089
    9090         // More options handling for requests with no content
    9091         if ( !s.hasContent ) {
    9092
    9093             // If data is available, append data to url
    9094             if ( s.data ) {
    9095                 cacheURL = ( s.url += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
    9096                 // #9682: remove data so that it's not used in an eventual retry
    9097                 delete s.data;
    9098             }
    9099
    9100             // Add anti-cache in url if needed
    9101             if ( s.cache === false ) {
    9102                 s.url = rts.test( cacheURL ) ?
    9103
    9104                     // If there is already a '_' parameter, set its value
    9105                     cacheURL.replace( rts, "$1_=" + nonce++ ) :
    9106
    9107                     // Otherwise add one to the end
    9108                     cacheURL + ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + nonce++;
    9109             }
    9110         }
    9111
    9112         // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
    9113         if ( s.ifModified ) {
    9114             if ( jQuery.lastModified[ cacheURL ] ) {
    9115                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
    9116             }
    9117             if ( jQuery.etag[ cacheURL ] ) {
    9118                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
    9119             }
    9120         }
    9121
    9122         // Set the correct header, if data is being sent
    9123         if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
    9124             jqXHR.setRequestHeader( "Content-Type", s.contentType );
    9125         }
    9126
    9127         // Set the Accepts header for the server, depending on the dataType
    9128         jqXHR.setRequestHeader(
    9129             "Accept",
    9130             s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
    9131                 s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
    9132                 s.accepts[ "*" ]
    9133         );
    9134
    9135         // Check for headers option
    9136         for ( i in s.headers ) {
    9137             jqXHR.setRequestHeader( i, s.headers[ i ] );
    9138         }
    9139
    9140         // Allow custom headers/mimetypes and early abort
    9141         if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
    9142             // Abort if not done already and return
    9143             return jqXHR.abort();
    9144         }
    9145
    9146         // aborting is no longer a cancellation
    9147         strAbort = "abort";
    9148
    9149         // Install callbacks on deferreds
    9150         for ( i in { success: 1, error: 1, complete: 1 } ) {
    9151             jqXHR[ i ]( s[ i ] );
    9152         }
    9153
    9154         // Get transport
    9155         transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
    9156
    9157         // If no transport, we auto-abort
    9158         if ( !transport ) {
    9159             done( -1, "No Transport" );
    9160         } else {
    9161             jqXHR.readyState = 1;
    9162
    9163             // Send global event
    9164             if ( fireGlobals ) {
    9165                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
    9166             }
    9167             // Timeout
    9168             if ( s.async && s.timeout > 0 ) {
    9169                 timeoutTimer = setTimeout(function() {
    9170                     jqXHR.abort("timeout");
    9171                 }, s.timeout );
    9172             }
    9173
    9174             try {
    9175                 state = 1;
    9176                 transport.send( requestHeaders, done );
    9177             } catch ( e ) {
    9178                 // Propagate exception as error if not done
    9179                 if ( state < 2 ) {
    9180                     done( -1, e );
    9181                 // Simply rethrow otherwise
    9182                 } else {
    9183                     throw e;
    9184                 }
    9185             }
    9186         }
    9187
    9188         // Callback for when everything is done
    9189         function done( status, nativeStatusText, responses, headers ) {
    9190             var isSuccess, success, error, response, modified,
    9191                 statusText = nativeStatusText;
    9192
    9193             // Called once
    9194             if ( state === 2 ) {
    9195                 return;
    9196             }
    9197
    9198             // State is "done" now
    9199             state = 2;
    9200
    9201             // Clear timeout if it exists
    9202             if ( timeoutTimer ) {
    9203                 clearTimeout( timeoutTimer );
    9204             }
    9205
    9206             // Dereference transport for early garbage collection
    9207             // (no matter how long the jqXHR object will be used)
    9208             transport = undefined;
    9209
    9210             // Cache response headers
    9211             responseHeadersString = headers || "";
    9212
    9213             // Set readyState
    9214             jqXHR.readyState = status > 0 ? 4 : 0;
    9215
    9216             // Determine if successful
    9217             isSuccess = status >= 200 && status < 300 || status === 304;
    9218
    9219             // Get response data
    9220             if ( responses ) {
    9221                 response = ajaxHandleResponses( s, jqXHR, responses );
    9222             }
    9223
    9224             // Convert no matter what (that way responseXXX fields are always set)
    9225             response = ajaxConvert( s, response, jqXHR, isSuccess );
    9226
    9227             // If successful, handle type chaining
    9228             if ( isSuccess ) {
    9229
    9230                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
    9231                 if ( s.ifModified ) {
    9232                     modified = jqXHR.getResponseHeader("Last-Modified");
    9233                     if ( modified ) {
    9234                         jQuery.lastModified[ cacheURL ] = modified;
    9235                     }
    9236                     modified = jqXHR.getResponseHeader("etag");
    9237                     if ( modified ) {
    9238                         jQuery.etag[ cacheURL ] = modified;
    9239                     }
    9240                 }
    9241
    9242                 // if no content
    9243                 if ( status === 204 || s.type === "HEAD" ) {
    9244                     statusText = "nocontent";
    9245
    9246                 // if not modified
    9247                 } else if ( status === 304 ) {
    9248                     statusText = "notmodified";
    9249
    9250                 // If we have data, let's convert it
    9251                 } else {
    9252                     statusText = response.state;
    9253                     success = response.data;
    9254                     error = response.error;
    9255                     isSuccess = !error;
    9256                 }
    9257             } else {
    9258                 // We extract error from statusText
    9259                 // then normalize statusText and status for non-aborts
    9260                 error = statusText;
    9261                 if ( status || !statusText ) {
    9262                     statusText = "error";
    9263                     if ( status < 0 ) {
    9264                         status = 0;
    9265                     }
    9266                 }
    9267             }
    9268
    9269             // Set data for the fake xhr object
    9270             jqXHR.status = status;
    9271             jqXHR.statusText = ( nativeStatusText || statusText ) + "";
    9272
    9273             // Success/Error
    9274             if ( isSuccess ) {
    9275                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
    9276             } else {
    9277                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
    9278             }
    9279
    9280             // Status-dependent callbacks
    9281             jqXHR.statusCode( statusCode );
    9282             statusCode = undefined;
    9283
    9284             if ( fireGlobals ) {
    9285                 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
    9286                     [ jqXHR, s, isSuccess ? success : error ] );
    9287             }
    9288
    9289             // Complete
    9290             completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
    9291
    9292             if ( fireGlobals ) {
    9293                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
    9294                 // Handle the global AJAX counter
    9295                 if ( !( --jQuery.active ) ) {
    9296                     jQuery.event.trigger("ajaxStop");
    9297                 }
    9298             }
    9299         }
    9300
    9301         return jqXHR;
    9302     },
    9303
    9304     getJSON: function( url, data, callback ) {
    9305         return jQuery.get( url, data, callback, "json" );
    9306     },
    9307
    9308     getScript: function( url, callback ) {
    9309         return jQuery.get( url, undefined, callback, "script" );
    9310     }
    9311 });
    9312
    9313 jQuery.each( [ "get", "post" ], function( i, method ) {
    9314     jQuery[ method ] = function( url, data, callback, type ) {
    9315         // shift arguments if data argument was omitted
    9316         if ( jQuery.isFunction( data ) ) {
    9317             type = type || callback;
    9318             callback = data;
    9319             data = undefined;
    9320         }
    9321
    9322         return jQuery.ajax({
    9323             url: url,
    9324             type: method,
    9325             dataType: type,
    9326             data: data,
    9327             success: callback
    9328         });
    9329     };
    9330 });
    9331
    9332 // Attach a bunch of functions for handling common AJAX events
    9333 jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ) {
    9334     jQuery.fn[ type ] = function( fn ) {
    9335         return this.on( type, fn );
    9336     };
    9337 });
    9338
    9339
    9340 jQuery._evalUrl = function( url ) {
    9341     return jQuery.ajax({
    9342         url: url,
    9343         type: "GET",
    9344         dataType: "script",
    9345         async: false,
    9346         global: false,
    9347         "throws": true
    9348     });
    9349 };
    9350
    9351
    9352 jQuery.fn.extend({
    9353     wrapAll: function( html ) {
    9354         if ( jQuery.isFunction( html ) ) {
    9355             return this.each(function(i) {
    9356                 jQuery(this).wrapAll( html.call(this, i) );
    9357             });
    9358         }
    9359
    9360         if ( this[0] ) {
    9361             // The elements to wrap the target around
    9362             var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
    9363
    9364             if ( this[0].parentNode ) {
    9365                 wrap.insertBefore( this[0] );
    9366             }
    9367
    9368             wrap.map(function() {
    9369                 var elem = this;
    9370
    9371                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
    9372                     elem = elem.firstChild;
    9373                 }
    9374
    9375                 return elem;
    9376             }).append( this );
    9377         }
    9378
    9379         return this;
    9380     },
    9381
    9382     wrapInner: function( html ) {
    9383         if ( jQuery.isFunction( html ) ) {
    9384             return this.each(function(i) {
    9385                 jQuery(this).wrapInner( html.call(this, i) );
    9386             });
    9387         }
    9388
    9389         return this.each(function() {
    9390             var self = jQuery( this ),
    9391                 contents = self.contents();
    9392
    9393             if ( contents.length ) {
    9394                 contents.wrapAll( html );
    9395
    9396             } else {
    9397                 self.append( html );
    9398             }
    9399         });
    9400     },
    9401
    9402     wrap: function( html ) {
    9403         var isFunction = jQuery.isFunction( html );
    9404
    9405         return this.each(function(i) {
    9406             jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
    9407         });
    9408     },
    9409
    9410     unwrap: function() {
    9411         return this.parent().each(function() {
    9412             if ( !jQuery.nodeName( this, "body" ) ) {
    9413                 jQuery( this ).replaceWith( this.childNodes );
    9414             }
    9415         }).end();
    9416     }
    9417 });
    9418
    9419
    9420 jQuery.expr.filters.hidden = function( elem ) {
    9421     // Support: Opera <= 12.12
    9422     // Opera reports offsetWidths and offsetHeights less than zero on some elements
    9423     return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
    9424         (!support.reliableHiddenOffsets() &&
    9425             ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
    9426 };
    9427
    9428 jQuery.expr.filters.visible = function( elem ) {
    9429     return !jQuery.expr.filters.hidden( elem );
    9430 };
    9431
    9432
    9433
    9434
    9435 var r20 = /%20/g,
    9436     rbracket = /\[\]$/,
    9437     rCRLF = /\r?\n/g,
    9438     rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
    9439     rsubmittable = /^(?:input|select|textarea|keygen)/i;
    9440
    9441 function buildParams( prefix, obj, traditional, add ) {
    9442     var name;
    9443
    9444     if ( jQuery.isArray( obj ) ) {
    9445         // Serialize array item.
    9446         jQuery.each( obj, function( i, v ) {
    9447             if ( traditional || rbracket.test( prefix ) ) {
    9448                 // Treat each array item as a scalar.
    9449                 add( prefix, v );
    9450
    9451             } else {
    9452                 // Item is non-scalar (array or object), encode its numeric index.
    9453                 buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
    9454             }
    9455         });
    9456
    9457     } else if ( !traditional && jQuery.type( obj ) === "object" ) {
    9458         // Serialize object item.
    9459         for ( name in obj ) {
    9460             buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
    9461         }
    9462
    9463     } else {
    9464         // Serialize scalar item.
    9465         add( prefix, obj );
    9466     }
    9467 }
    9468
    9469 // Serialize an array of form elements or a set of
    9470 // key/values into a query string
    9471 jQuery.param = function( a, traditional ) {
    9472     var prefix,
    9473         s = [],
    9474         add = function( key, value ) {
    9475             // If value is a function, invoke it and return its value
    9476             value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
    9477             s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
    9478         };
    9479
    9480     // Set traditional to true for jQuery <= 1.3.2 behavior.
    9481     if ( traditional === undefined ) {
    9482         traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
    9483     }
    9484
    9485     // If an array was passed in, assume that it is an array of form elements.
    9486     if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
    9487         // Serialize the form elements
    9488         jQuery.each( a, function() {
    9489             add( this.name, this.value );
    9490         });
    9491
    9492     } else {
    9493         // If traditional, encode the "old" way (the way 1.3.2 or older
    9494         // did it), otherwise encode params recursively.
    9495         for ( prefix in a ) {
    9496             buildParams( prefix, a[ prefix ], traditional, add );
    9497         }
    9498     }
    9499
    9500     // Return the resulting serialization
    9501     return s.join( "&" ).replace( r20, "+" );
    9502 };
    9503
    9504 jQuery.fn.extend({
    9505     serialize: function() {
    9506         return jQuery.param( this.serializeArray() );
    9507     },
    9508     serializeArray: function() {
    9509         return this.map(function() {
    9510             // Can add propHook for "elements" to filter or add form elements
    9511             var elements = jQuery.prop( this, "elements" );
    9512             return elements ? jQuery.makeArray( elements ) : this;
    9513         })
    9514         .filter(function() {
    9515             var type = this.type;
    9516             // Use .is(":disabled") so that fieldset[disabled] works
    9517             return this.name && !jQuery( this ).is( ":disabled" ) &&
    9518                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
    9519                 ( this.checked || !rcheckableType.test( type ) );
    9520         })
    9521         .map(function( i, elem ) {
    9522             var val = jQuery( this ).val();
    9523
    9524             return val == null ?
    9525                 null :
    9526                 jQuery.isArray( val ) ?
    9527                     jQuery.map( val, function( val ) {
    9528                         return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
    9529                     }) :
    9530                     { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
    9531         }).get();
    9532     }
    9533 });
    9534
    9535
    9536 // Create the request object
    9537 // (This is still attached to ajaxSettings for backward compatibility)
    9538 jQuery.ajaxSettings.xhr = window.ActiveXObject !== undefined ?
    9539     // Support: IE6+
    9540     function() {
    9541
    9542         // XHR cannot access local files, always use ActiveX for that case
    9543         return !this.isLocal &&
    9544
    9545             // Support: IE7-8
    9546             // oldIE XHR does not support non-RFC2616 methods (#13240)
    9547             // See http://msdn.microsoft.com/en-us/library/ie/ms536648(v=vs.85).aspx
    9548             // and http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9
    9549             // Although this check for six methods instead of eight
    9550             // since IE also does not support "trace" and "connect"
    9551             /^(get|post|head|put|delete|options)$/i.test( this.type ) &&
    9552
    9553             createStandardXHR() || createActiveXHR();
    9554     } :
    9555     // For all other browsers, use the standard XMLHttpRequest object
    9556     createStandardXHR;
    9557
    9558 var xhrId = 0,
    9559     xhrCallbacks = {},
    9560     xhrSupported = jQuery.ajaxSettings.xhr();
    9561
    9562 // Support: IE<10
    9563 // Open requests must be manually aborted on unload (#5280)
    9564 if ( window.ActiveXObject ) {
    9565     jQuery( window ).on( "unload", function() {
    9566         for ( var key in xhrCallbacks ) {
    9567             xhrCallbacks[ key ]( undefined, true );
    9568         }
    9569     });
    9570 }
    9571
    9572 // Determine support properties
    9573 support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
    9574 xhrSupported = support.ajax = !!xhrSupported;
    9575
    9576 // Create transport if the browser can provide an xhr
    9577 if ( xhrSupported ) {
    9578
    9579     jQuery.ajaxTransport(function( options ) {
    9580         // Cross domain only allowed if supported through XMLHttpRequest
    9581         if ( !options.crossDomain || support.cors ) {
    9582
    9583             var callback;
    9584
    9585             return {
    9586                 send: function( headers, complete ) {
    9587                     var i,
    9588                         xhr = options.xhr(),
    9589                         id = ++xhrId;
    9590
    9591                     // Open the socket
    9592                     xhr.open( options.type, options.url, options.async, options.username, options.password );
    9593
    9594                     // Apply custom fields if provided
    9595                     if ( options.xhrFields ) {
    9596                         for ( i in options.xhrFields ) {
    9597                             xhr[ i ] = options.xhrFields[ i ];
    9598                         }
    9599                     }
    9600
    9601                     // Override mime type if needed
    9602                     if ( options.mimeType && xhr.overrideMimeType ) {
    9603                         xhr.overrideMimeType( options.mimeType );
    9604                     }
    9605
    9606                     // X-Requested-With header
    9607                     // For cross-domain requests, seeing as conditions for a preflight are
    9608                     // akin to a jigsaw puzzle, we simply never set it to be sure.
    9609                     // (it can always be set on a per-request basis or even using ajaxSetup)
    9610                     // For same-domain requests, won't change header if already provided.
    9611                     if ( !options.crossDomain && !headers["X-Requested-With"] ) {
    9612                         headers["X-Requested-With"] = "XMLHttpRequest";
    9613                     }
    9614
    9615                     // Set headers
    9616                     for ( i in headers ) {
    9617                         // Support: IE<9
    9618                         // IE's ActiveXObject throws a 'Type Mismatch' exception when setting
    9619                         // request header to a null-value.
    9620                         //
    9621                         // To keep consistent with other XHR implementations, cast the value
    9622                         // to string and ignore `undefined`.
    9623                         if ( headers[ i ] !== undefined ) {
    9624                             xhr.setRequestHeader( i, headers[ i ] + "" );
    9625                         }
    9626                     }
    9627
    9628                     // Do send the request
    9629                     // This may raise an exception which is actually
    9630                     // handled in jQuery.ajax (so no try/catch here)
    9631                     xhr.send( ( options.hasContent && options.data ) || null );
    9632
    9633                     // Listener
    9634                     callback = function( _, isAbort ) {
    9635                         var status, statusText, responses;
    9636
    9637                         // Was never called and is aborted or complete
    9638                         if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
    9639                             // Clean up
    9640                             delete xhrCallbacks[ id ];
    9641                             callback = undefined;
    9642                             xhr.onreadystatechange = jQuery.noop;
    9643
    9644                             // Abort manually if needed
    9645                             if ( isAbort ) {
    9646                                 if ( xhr.readyState !== 4 ) {
    9647                                     xhr.abort();
    9648                                 }
    9649                             } else {
    9650                                 responses = {};
    9651                                 status = xhr.status;
    9652
    9653                                 // Support: IE<10
    9654                                 // Accessing binary-data responseText throws an exception
    9655                                 // (#11426)
    9656                                 if ( typeof xhr.responseText === "string" ) {
    9657                                     responses.text = xhr.responseText;
    9658                                 }
    9659
    9660                                 // Firefox throws an exception when accessing
    9661                                 // statusText for faulty cross-domain requests
    9662                                 try {
    9663                                     statusText = xhr.statusText;
    9664                                 } catch( e ) {
    9665                                     // We normalize with Webkit giving an empty statusText
    9666                                     statusText = "";
    9667                                 }
    9668
    9669                                 // Filter status for non standard behaviors
    9670
    9671                                 // If the request is local and we have data: assume a success
    9672                                 // (success with no data won't get notified, that's the best we
    9673                                 // can do given current implementations)
    9674                                 if ( !status && options.isLocal && !options.crossDomain ) {
    9675                                     status = responses.text ? 200 : 404;
    9676                                 // IE - #1450: sometimes returns 1223 when it should be 204
    9677                                 } else if ( status === 1223 ) {
    9678                                     status = 204;
    9679                                 }
    9680                             }
    9681                         }
    9682
    9683                         // Call complete if needed
    9684                         if ( responses ) {
    9685                             complete( status, statusText, responses, xhr.getAllResponseHeaders() );
    9686                         }
    9687                     };
    9688
    9689                     if ( !options.async ) {
    9690                         // if we're in sync mode we fire the callback
    9691                         callback();
    9692                     } else if ( xhr.readyState === 4 ) {
    9693                         // (IE6 & IE7) if it's in cache and has been
    9694                         // retrieved directly we need to fire the callback
    9695                         setTimeout( callback );
    9696                     } else {
    9697                         // Add to the list of active xhr callbacks
    9698                         xhr.onreadystatechange = xhrCallbacks[ id ] = callback;
    9699                     }
    9700                 },
    9701
    9702                 abort: function() {
    9703                     if ( callback ) {
    9704                         callback( undefined, true );
    9705                     }
    9706                 }
    9707             };
    9708         }
    9709     });
    9710 }
    9711
    9712 // Functions to create xhrs
    9713 function createStandardXHR() {
    9714     try {
    9715         return new window.XMLHttpRequest();
    9716     } catch( e ) {}
    9717 }
    9718
    9719 function createActiveXHR() {
    9720     try {
    9721         return new window.ActiveXObject( "Microsoft.XMLHTTP" );
    9722     } catch( e ) {}
    9723 }
    9724
    9725
    9726
    9727
    9728 // Install script dataType
    9729 jQuery.ajaxSetup({
    9730     accepts: {
    9731         script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
    9732     },
    9733     contents: {
    9734         script: /(?:java|ecma)script/
    9735     },
    9736     converters: {
    9737         "text script": function( text ) {
    9738             jQuery.globalEval( text );
    9739             return text;
    9740         }
    9741     }
    9742 });
    9743
    9744 // Handle cache's special case and global
    9745 jQuery.ajaxPrefilter( "script", function( s ) {
    9746     if ( s.cache === undefined ) {
    9747         s.cache = false;
    9748     }
    9749     if ( s.crossDomain ) {
    9750         s.type = "GET";
    9751         s.global = false;
    9752     }
    9753 });
    9754
    9755 // Bind script tag hack transport
    9756 jQuery.ajaxTransport( "script", function(s) {
    9757
    9758     // This transport only deals with cross domain requests
    9759     if ( s.crossDomain ) {
    9760
    9761         var script,
    9762             head = document.head || jQuery("head")[0] || document.documentElement;
    9763
    9764         return {
    9765
    9766             send: function( _, callback ) {
    9767
    9768                 script = document.createElement("script");
    9769
    9770                 script.async = true;
    9771
    9772                 if ( s.scriptCharset ) {
    9773                     script.charset = s.scriptCharset;
    9774                 }
    9775
    9776                 script.src = s.url;
    9777
    9778                 // Attach handlers for all browsers
    9779                 script.onload = script.onreadystatechange = function( _, isAbort ) {
    9780
    9781                     if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
    9782
    9783                         // Handle memory leak in IE
    9784                         script.onload = script.onreadystatechange = null;
    9785
    9786                         // Remove the script
    9787                         if ( script.parentNode ) {
    9788                             script.parentNode.removeChild( script );
    9789                         }
    9790
    9791                         // Dereference the script
    9792                         script = null;
    9793
    9794                         // Callback if not abort
    9795                         if ( !isAbort ) {
    9796                             callback( 200, "success" );
    9797                         }
    9798                     }
    9799                 };
    9800
    9801                 // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
    9802                 // Use native DOM manipulation to avoid our domManip AJAX trickery
    9803                 head.insertBefore( script, head.firstChild );
    9804             },
    9805
    9806             abort: function() {
    9807                 if ( script ) {
    9808                     script.onload( undefined, true );
    9809                 }
    9810             }
    9811         };
    9812     }
    9813 });
    9814
    9815
    9816
    9817
    9818 var oldCallbacks = [],
    9819     rjsonp = /(=)\?(?=&|$)|\?\?/;
    9820
    9821 // Default jsonp settings
    9822 jQuery.ajaxSetup({
    9823     jsonp: "callback",
    9824     jsonpCallback: function() {
    9825         var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
    9826         this[ callback ] = true;
    9827         return callback;
    9828     }
    9829 });
    9830
    9831 // Detect, normalize options and install callbacks for jsonp requests
    9832 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
    9833
    9834     var callbackName, overwritten, responseContainer,
    9835         jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
    9836             "url" :
    9837             typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
    9838         );
    9839
    9840     // Handle iff the expected data type is "jsonp" or we have a parameter to set
    9841     if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
    9842
    9843         // Get callback name, remembering preexisting value associated with it
    9844         callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
    9845             s.jsonpCallback() :
    9846             s.jsonpCallback;
    9847
    9848         // Insert callback into url or form data
    9849         if ( jsonProp ) {
    9850             s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
    9851         } else if ( s.jsonp !== false ) {
    9852             s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
    9853         }
    9854
    9855         // Use data converter to retrieve json after script execution
    9856         s.converters["script json"] = function() {
    9857             if ( !responseContainer ) {
    9858                 jQuery.error( callbackName + " was not called" );
    9859             }
    9860             return responseContainer[ 0 ];
    9861         };
    9862
    9863         // force json dataType
    9864         s.dataTypes[ 0 ] = "json";
    9865
    9866         // Install callback
    9867         overwritten = window[ callbackName ];
    9868         window[ callbackName ] = function() {
    9869             responseContainer = arguments;
    9870         };
    9871
    9872         // Clean-up function (fires after converters)
    9873         jqXHR.always(function() {
    9874             // Restore preexisting value
    9875             window[ callbackName ] = overwritten;
    9876
    9877             // Save back as free
    9878             if ( s[ callbackName ] ) {
    9879                 // make sure that re-using the options doesn't screw things around
    9880                 s.jsonpCallback = originalSettings.jsonpCallback;
    9881
    9882                 // save the callback name for future use
    9883                 oldCallbacks.push( callbackName );
    9884             }
    9885
    9886             // Call if it was a function and we have a response
    9887             if ( responseContainer && jQuery.isFunction( overwritten ) ) {
    9888                 overwritten( responseContainer[ 0 ] );
    9889             }
    9890
    9891             responseContainer = overwritten = undefined;
    9892         });
    9893
    9894         // Delegate to script
    9895         return "script";
    9896     }
    9897 });
    9898
    9899
    9900
    9901
    9902 // data: string of html
    9903 // context (optional): If specified, the fragment will be created in this context, defaults to document
    9904 // keepScripts (optional): If true, will include scripts passed in the html string
    9905 jQuery.parseHTML = function( data, context, keepScripts ) {
    9906     if ( !data || typeof data !== "string" ) {
    9907         return null;
    9908     }
    9909     if ( typeof context === "boolean" ) {
    9910         keepScripts = context;
    9911         context = false;
    9912     }
    9913     context = context || document;
    9914
    9915     var parsed = rsingleTag.exec( data ),
    9916         scripts = !keepScripts && [];
    9917
    9918     // Single tag
    9919     if ( parsed ) {
    9920         return [ context.createElement( parsed[1] ) ];
    9921     }
    9922
    9923     parsed = jQuery.buildFragment( [ data ], context, scripts );
    9924
    9925     if ( scripts && scripts.length ) {
    9926         jQuery( scripts ).remove();
    9927     }
    9928
    9929     return jQuery.merge( [], parsed.childNodes );
    9930 };
    9931
    9932
    9933 // Keep a copy of the old load method
    9934 var _load = jQuery.fn.load;
    9935
    9936 /**
    9937  * Load a url into a page
    9938  */
    9939 jQuery.fn.load = function( url, params, callback ) {
    9940     if ( typeof url !== "string" && _load ) {
    9941         return _load.apply( this, arguments );
    9942     }
    9943
    9944     var selector, response, type,
    9945         self = this,
    9946         off = url.indexOf(" ");
    9947
    9948     if ( off >= 0 ) {
    9949         selector = jQuery.trim( url.slice( off, url.length ) );
    9950         url = url.slice( 0, off );
    9951     }
    9952
    9953     // If it's a function
    9954     if ( jQuery.isFunction( params ) ) {
    9955
    9956         // We assume that it's the callback
    9957         callback = params;
    9958         params = undefined;
    9959
    9960     // Otherwise, build a param string
    9961     } else if ( params && typeof params === "object" ) {
    9962         type = "POST";
    9963     }
    9964
    9965     // If we have elements to modify, make the request
    9966     if ( self.length > 0 ) {
    9967         jQuery.ajax({
    9968             url: url,
    9969
    9970             // if "type" variable is undefined, then "GET" method will be used
    9971             type: type,
    9972             dataType: "html",
    9973             data: params
    9974         }).done(function( responseText ) {
    9975
    9976             // Save response for use in complete callback
    9977             response = arguments;
    9978
    9979             self.html( selector ?
    9980
    9981                 // If a selector was specified, locate the right elements in a dummy div
    9982                 // Exclude scripts to avoid IE 'Permission Denied' errors
    9983                 jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
    9984
    9985                 // Otherwise use the full result
    9986                 responseText );
    9987
    9988         }).complete( callback && function( jqXHR, status ) {
    9989             self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
    9990         });
    9991     }
    9992
    9993     return this;
    9994 };
    9995
    9996
    9997
    9998
    9999 jQuery.expr.filters.animated = function( elem ) {
    10000     return jQuery.grep(jQuery.timers, function( fn ) {
    10001         return elem === fn.elem;
    10002     }).length;
    10003 };
    10004
    10005
    10006
    10007
    10008
    10009 var docElem = window.document.documentElement;
    10010
    10011 /**
    10012  * Gets a window from an element
    10013  */
    10014 function getWindow( elem ) {
    10015     return jQuery.isWindow( elem ) ?
    10016         elem :
    10017         elem.nodeType === 9 ?
    10018             elem.defaultView || elem.parentWindow :
    10019             false;
    10020 }
    10021
    10022 jQuery.offset = {
    10023     setOffset: function( elem, options, i ) {
    10024         var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
    10025             position = jQuery.css( elem, "position" ),
    10026             curElem = jQuery( elem ),
    10027             props = {};
    10028
    10029         // set position first, in-case top/left are set even on static elem
    10030         if ( position === "static" ) {
    10031             elem.style.position = "relative";
    10032         }
    10033
    10034         curOffset = curElem.offset();
    10035         curCSSTop = jQuery.css( elem, "top" );
    10036         curCSSLeft = jQuery.css( elem, "left" );
    10037         calculatePosition = ( position === "absolute" || position === "fixed" ) &&
    10038             jQuery.inArray("auto", [ curCSSTop, curCSSLeft ] ) > -1;
    10039
    10040         // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
    10041         if ( calculatePosition ) {
    10042             curPosition = curElem.position();
    10043             curTop = curPosition.top;
    10044             curLeft = curPosition.left;
    10045         } else {
    10046             curTop = parseFloat( curCSSTop ) || 0;
    10047             curLeft = parseFloat( curCSSLeft ) || 0;
    10048         }
    10049
    10050         if ( jQuery.isFunction( options ) ) {
    10051             options = options.call( elem, i, curOffset );
    10052         }
    10053
    10054         if ( options.top != null ) {
    10055             props.top = ( options.top - curOffset.top ) + curTop;
    10056         }
    10057         if ( options.left != null ) {
    10058             props.left = ( options.left - curOffset.left ) + curLeft;
    10059         }
    10060
    10061         if ( "using" in options ) {
    10062             options.using.call( elem, props );
    10063         } else {
    10064             curElem.css( props );
    10065         }
    10066     }
    10067 };
    10068
    10069 jQuery.fn.extend({
    10070     offset: function( options ) {
    10071         if ( arguments.length ) {
    10072             return options === undefined ?
    10073                 this :
    10074                 this.each(function( i ) {
    10075                     jQuery.offset.setOffset( this, options, i );
    10076                 });
    10077         }
    10078
    10079         var docElem, win,
    10080             box = { top: 0, left: 0 },
    10081             elem = this[ 0 ],
    10082             doc = elem && elem.ownerDocument;
    10083
    10084         if ( !doc ) {
    10085             return;
    10086         }
    10087
    10088         docElem = doc.documentElement;
    10089
    10090         // Make sure it's not a disconnected DOM node
    10091         if ( !jQuery.contains( docElem, elem ) ) {
    10092             return box;
    10093         }
    10094
    10095         // If we don't have gBCR, just use 0,0 rather than error
    10096         // BlackBerry 5, iOS 3 (original iPhone)
    10097         if ( typeof elem.getBoundingClientRect !== strundefined ) {
    10098             box = elem.getBoundingClientRect();
    10099         }
    10100         win = getWindow( doc );
    10101         return {
    10102             top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
    10103             left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
    10104         };
    10105     },
    10106
    10107     position: function() {
    10108         if ( !this[ 0 ] ) {
    10109             return;
    10110         }
    10111
    10112         var offsetParent, offset,
    10113             parentOffset = { top: 0, left: 0 },
    10114             elem = this[ 0 ];
    10115
    10116         // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is its only offset parent
    10117         if ( jQuery.css( elem, "position" ) === "fixed" ) {
    10118             // we assume that getBoundingClientRect is available when computed position is fixed
    10119             offset = elem.getBoundingClientRect();
    10120         } else {
    10121             // Get *real* offsetParent
    10122             offsetParent = this.offsetParent();
    10123
    10124             // Get correct offsets
    10125             offset = this.offset();
    10126             if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
    10127                 parentOffset = offsetParent.offset();
    10128             }
    10129
    10130             // Add offsetParent borders
    10131             parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
    10132             parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
    10133         }
    10134
    10135         // Subtract parent offsets and element margins
    10136         // note: when an element has margin: auto the offsetLeft and marginLeft
    10137         // are the same in Safari causing offset.left to incorrectly be 0
    10138         return {
    10139             top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
    10140             left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
    10141         };
    10142     },
    10143
    10144     offsetParent: function() {
    10145         return this.map(function() {
    10146             var offsetParent = this.offsetParent || docElem;
    10147
    10148             while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position" ) === "static" ) ) {
    10149                 offsetParent = offsetParent.offsetParent;
    10150             }
    10151             return offsetParent || docElem;
    10152         });
    10153     }
    10154 });
    10155
    10156 // Create scrollLeft and scrollTop methods
    10157 jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
    10158     var top = /Y/.test( prop );
    10159
    10160     jQuery.fn[ method ] = function( val ) {
    10161         return access( this, function( elem, method, val ) {
    10162             var win = getWindow( elem );
    10163
    10164             if ( val === undefined ) {
    10165                 return win ? (prop in win) ? win[ prop ] :
    10166                     win.document.documentElement[ method ] :
    10167                     elem[ method ];
    10168             }
    10169
    10170             if ( win ) {
    10171                 win.scrollTo(
    10172                     !top ? val : jQuery( win ).scrollLeft(),
    10173                     top ? val : jQuery( win ).scrollTop()
    10174                 );
    10175
    10176             } else {
    10177                 elem[ method ] = val;
    10178             }
    10179         }, method, val, arguments.length, null );
    10180     };
    10181 });
    10182
    10183 // Add the top/left cssHooks using jQuery.fn.position
    10184 // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
    10185 // getComputedStyle returns percent when specified for top/left/bottom/right
    10186 // rather than make the css module depend on the offset module, we just check for it here
    10187 jQuery.each( [ "top", "left" ], function( i, prop ) {
    10188     jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
    10189         function( elem, computed ) {
    10190             if ( computed ) {
    10191                 computed = curCSS( elem, prop );
    10192                 // if curCSS returns percentage, fallback to offset
    10193                 return rnumnonpx.test( computed ) ?
    10194                     jQuery( elem ).position()[ prop ] + "px" :
    10195                     computed;
    10196             }
    10197         }
    10198     );
    10199 });
    10200
    10201
    10202 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
    10203 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
    10204     jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
    10205         // margin is only for outerHeight, outerWidth
    10206         jQuery.fn[ funcName ] = function( margin, value ) {
    10207             var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
    10208                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
    10209
    10210             return access( this, function( elem, type, value ) {
    10211                 var doc;
    10212
    10213                 if ( jQuery.isWindow( elem ) ) {
    10214                     // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
    10215                     // isn't a whole lot we can do. See pull request at this URL for discussion:
    10216                     // https://github.com/jquery/jquery/pull/764
    10217                     return elem.document.documentElement[ "client" + name ];
    10218                 }
    10219
    10220                 // Get document width or height
    10221                 if ( elem.nodeType === 9 ) {
    10222                     doc = elem.documentElement;
    10223
    10224                     // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
    10225                     // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
    10226                     return Math.max(
    10227                         elem.body[ "scroll" + name ], doc[ "scroll" + name ],
    10228                         elem.body[ "offset" + name ], doc[ "offset" + name ],
    10229                         doc[ "client" + name ]
    10230                     );
    10231                 }
    10232
    10233                 return value === undefined ?
    10234                     // Get width or height on the element, requesting but not forcing parseFloat
    10235                     jQuery.css( elem, type, extra ) :
    10236
    10237                     // Set width or height on the element
    10238                     jQuery.style( elem, type, value, extra );
    10239             }, type, chainable ? margin : undefined, chainable, null );
    10240         };
    10241     });
    10242 });
    10243
    10244
    10245 // The number of elements contained in the matched element set
    10246 jQuery.fn.size = function() {
    10247     return this.length;
    10248 };
    10249
    10250 jQuery.fn.andSelf = jQuery.fn.addBack;
    10251
    10252
    10253
    10254
    10255 // Register as a named AMD module, since jQuery can be concatenated with other
    10256 // files that may use define, but not via a proper concatenation script that
    10257 // understands anonymous AMD modules. A named AMD is safest and most robust
    10258 // way to register. Lowercase jquery is used because AMD module names are
    10259 // derived from file names, and jQuery is normally delivered in a lowercase
    10260 // file name. Do this after creating the global so that if an AMD module wants
    10261 // to call noConflict to hide this version of jQuery, it will work.
    10262
    10263 // Note that for maximum portability, libraries that are not jQuery should
    10264 // declare themselves as anonymous modules, and avoid setting a global if an
    10265 // AMD loader is present. jQuery is a special case. For more information, see
    10266 // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
    10267
    10268 if ( typeof define === "function" && define.amd ) {
    10269     define( "jquery", [], function() {
    10270         return jQuery;
    10271     });
    10272 }
    10273
    10274
    10275
    10276
    10277 var
    10278     // Map over jQuery in case of overwrite
    10279     _jQuery = window.jQuery,
    10280
    10281     // Map over the $ in case of overwrite
    10282     _$ = window.$;
    10283
    10284 jQuery.noConflict = function( deep ) {
    10285     if ( window.$ === jQuery ) {
    10286         window.$ = _$;
    10287     }
    10288
    10289     if ( deep && window.jQuery === jQuery ) {
    10290         window.jQuery = _jQuery;
    10291     }
    10292
    10293     return jQuery;
    10294 };
    10295
    10296 // Expose jQuery and $ identifiers, even in
    10297 // AMD (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
    10298 // and CommonJS for browser emulators (#13566)
    10299 if ( typeof noGlobal === strundefined ) {
    10300     window.jQuery = window.$ = jQuery;
    10301 }
    10302
    10303
    10304
    10305
    10306 return jQuery;
    10307
    10308 }));
    10309