src/core.js

   1 var jQuery = (function() {
   2
   3 // Define a local copy of jQuery
   4 var jQuery = function( selector, context ) {
   5                 // The jQuery object is actually just the init constructor 'enhanced'
   6                 return new jQuery.fn.init( selector, context, rootjQuery );
   7         },
   8
   9         // Map over jQuery in case of overwrite
  10         _jQuery = window.jQuery,
  11
  12         // Map over the $ in case of overwrite
  13         _$ = window.$,
  14
  15         // A central reference to the root jQuery(document)
  16         rootjQuery,
  17
  18         // A simple way to check for HTML strings or ID strings
  19         // (both of which we optimize for)
  20         quickExpr = /^(?:[^<]*(<[\w\W]+>)[^>]*$|#([\w\-]+)$)/,
  21
  22         // Is it a simple selector
  23         isSimple = /^.[^:#\[\.,]*$/,
  24
  25         // Check if a string has a non-whitespace character in it
  26         rnotwhite = /\S/,
  27         rwhite = /\s/,
  28
  29         // Used for trimming whitespace
  30         trimLeft = /^\s+/,
  31         trimRight = /\s+$/,
  32
  33         // Check for non-word characters
  34         rnonword = /\W/,
  35
  36         // Check for digits
  37         rdigit = /\d/,
  38
  39         // Match a standalone tag
  40         rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>)?$/,
  41
  42         // JSON RegExp
  43         rvalidchars = /^[\],:{}\s]*$/,
  44         rvalidescape = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,
  45         rvalidtokens = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,
  46         rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
  47
  48         // Useragent RegExp
  49         rwebkit = /(webkit)[ \/]([\w.]+)/,
  50         ropera = /(opera)(?:.*version)?[ \/]([\w.]+)/,
  51         rmsie = /(msie) ([\w.]+)/,
  52         rmozilla = /(mozilla)(?:.*? rv:([\w.]+))?/,
  53
  54         // Keep a UserAgent string for use with jQuery.browser
  55         userAgent = navigator.userAgent,
  56
  57         // For matching the engine and version of the browser
  58         browserMatch,
  59
  60         // Has the ready events already been bound?
  61         readyBound = false,
  62
  63         // The deferred used on DOM ready
  64         readyList,
  65
  66         // The ready event handler
  67         DOMContentLoaded,
  68
  69         // Save a reference to some core methods
  70         toString = Object.prototype.toString,
  71         hasOwn = Object.prototype.hasOwnProperty,
  72         push = Array.prototype.push,
  73         slice = Array.prototype.slice,
  74         trim = String.prototype.trim,
  75         indexOf = Array.prototype.indexOf,
  76
  77         // [[Class]] -> type pairs
  78         class2type = {};
  79
  80 jQuery.fn = jQuery.prototype = {
  81         constructor: jQuery,
  82         init: function( selector, context, rootjQuery ) {
  83                 var match, elem, ret, doc;
  84
  85                 // Handle $(""), $(null), or $(undefined)
  86                 if ( !selector ) {
  87                         return this;
  88                 }
  89
  90                 // Handle $(DOMElement)
  91                 if ( selector.nodeType ) {
  92                         this.context = this[0] = selector;
  93                         this.length = 1;
  94                         return this;
  95                 }
  96
  97                 // The body element only exists once, optimize finding it
  98                 if ( selector === "body" && !context && document.body ) {
  99                         this.context = document;
 100                         this[0] = document.body;
 101                         this.selector = "body";
 102                         this.length = 1;
 103                         return this;
 104                 }
 105
 106                 // Handle HTML strings
 107                 if ( typeof selector === "string" ) {
 108                         // Are we dealing with HTML string or an ID?
 109                         match = quickExpr.exec( selector );
 110
 111                         // Verify a match, and that no context was specified for #id
 112                         if ( match && (match[1] || !context) ) {
 113
 114                                 // HANDLE: $(html) -> $(array)
 115                                 if ( match[1] ) {
 116                                         context = context instanceof jQuery ? context[0] : context;
 117                                         doc = (context ? context.ownerDocument || context : document);
 118
 119                                         // If a single string is passed in and it's a single tag
 120                                         // just do a createElement and skip the rest
 121                                         ret = rsingleTag.exec( selector );
 122
 123                                         if ( ret ) {
 124                                                 if ( jQuery.isPlainObject( context ) ) {
 125                                                         selector = [ document.createElement( ret[1] ) ];
 126                                                         jQuery.fn.attr.call( selector, context, true );
 127
 128                                                 } else {
 129                                                         selector = [ doc.createElement( ret[1] ) ];
 130                                                 }
 131
 132                                         } else {
 133                                                 ret = jQuery.buildFragment( [ match[1] ], [ doc ] );
 134                                                 selector = (ret.cacheable ? jQuery(ret.fragment).clone()[0] : ret.fragment).childNodes;
 135                                         }
 136
 137                                         return jQuery.merge( this, selector );
 138
 139                                 // HANDLE: $("#id")
 140                                 } else {
 141                                         elem = document.getElementById( match[2] );
 142
 143                                         // Check parentNode to catch when Blackberry 4.6 returns
 144                                         // nodes that are no longer in the document #6963
 145                                         if ( elem && elem.parentNode ) {
 146                                                 // Handle the case where IE and Opera return items
 147                                                 // by name instead of ID
 148                                                 if ( elem.id !== match[2] ) {
 149                                                         return rootjQuery.find( selector );
 150                                                 }
 151
 152                                                 // Otherwise, we inject the element directly into the jQuery object
 153                                                 this.length = 1;
 154                                                 this[0] = elem;
 155                                         }
 156
 157                                         this.context = document;
 158                                         this.selector = selector;
 159                                         return this;
 160                                 }
 161
 162                         // HANDLE: $("TAG")
 163                         } else if ( !context && !rnonword.test( selector ) ) {
 164                                 this.selector = selector;
 165                                 this.context = document;
 166                                 selector = document.getElementsByTagName( selector );
 167                                 return jQuery.merge( this, selector );
 168
 169                         // HANDLE: $(expr, $(...))
 170                         } else if ( !context || context.jquery ) {
 171                                 return (context || rootjQuery).find( selector );
 172
 173                         // HANDLE: $(expr, context)
 174                         // (which is just equivalent to: $(context).find(expr)
 175                         } else {
 176                                 return this.constructor( context ).find( selector );
 177                         }
 178
 179                 // HANDLE: $(function)
 180                 // Shortcut for document ready
 181                 } else if ( jQuery.isFunction( selector ) ) {
 182                         return rootjQuery.ready( selector );
 183                 }
 184
 185                 if (selector.selector !== undefined) {
 186                         this.selector = selector.selector;
 187                         this.context = selector.context;
 188                 }
 189
 190                 return jQuery.makeArray( selector, this );
 191         },
 192
 193         // Start with an empty selector
 194         selector: "",
 195
 196         // The current version of jQuery being used
 197         jquery: "@VERSION",
 198
 199         // The default length of a jQuery object is 0
 200         length: 0,
 201
 202         // The number of elements contained in the matched element set
 203         size: function() {
 204                 return this.length;
 205         },
 206
 207         toArray: function() {
 208                 return slice.call( this, 0 );
 209         },
 210
 211         // Get the Nth element in the matched element set OR
 212         // Get the whole matched element set as a clean array
 213         get: function( num ) {
 214                 return num == null ?
 215
 216                         // Return a 'clean' array
 217                         this.toArray() :
 218
 219                         // Return just the object
 220                         ( num < 0 ? this[ this.length + num ] : this[ num ] );
 221         },
 222
 223         // Take an array of elements and push it onto the stack
 224         // (returning the new matched element set)
 225         pushStack: function( elems, name, selector ) {
 226                 // Build a new jQuery matched element set
 227                 var ret = this.constructor();
 228
 229                 if ( jQuery.isArray( elems ) ) {
 230                         push.apply( ret, elems );
 231
 232                 } else {
 233                         jQuery.merge( ret, elems );
 234                 }
 235
 236                 // Add the old object onto the stack (as a reference)
 237                 ret.prevObject = this;
 238
 239                 ret.context = this.context;
 240
 241                 if ( name === "find" ) {
 242                         ret.selector = this.selector + (this.selector ? " " : "") + selector;
 243                 } else if ( name ) {
 244                         ret.selector = this.selector + "." + name + "(" + selector + ")";
 245                 }
 246
 247                 // Return the newly-formed element set
 248                 return ret;
 249         },
 250
 251         // Execute a callback for every element in the matched set.
 252         // (You can seed the arguments with an array of args, but this is
 253         // only used internally.)
 254         each: function( callback, args ) {
 255                 return jQuery.each( this, callback, args );
 256         },
 257
 258         ready: function() {
 259                 // Attach the listeners
 260                 jQuery.bindReady();
 261
 262                 // Change ready & apply
 263                 return ( jQuery.fn.ready = readyList.done ).apply( this , arguments );
 264         },
 265
 266         eq: function( i ) {
 267                 return i === -1 ?
 268                         this.slice( i ) :
 269                         this.slice( i, +i + 1 );
 270         },
 271
 272         first: function() {
 273                 return this.eq( 0 );
 274         },
 275
 276         last: function() {
 277                 return this.eq( -1 );
 278         },
 279
 280         slice: function() {
 281                 return this.pushStack( slice.apply( this, arguments ),
 282                         "slice", slice.call(arguments).join(",") );
 283         },
 284
 285         map: function( callback ) {
 286                 return this.pushStack( jQuery.map(this, function( elem, i ) {
 287                         return callback.call( elem, i, elem );
 288                 }));
 289         },
 290
 291         end: function() {
 292                 return this.prevObject || this.constructor(null);
 293         },
 294
 295         // For internal use only.
 296         // Behaves like an Array's method, not like a jQuery method.
 297         push: push,
 298         sort: [].sort,
 299         splice: [].splice
 300 };
 301
 302 // Give the init function the jQuery prototype for later instantiation
 303 jQuery.fn.init.prototype = jQuery.fn;
 304
 305 jQuery.extend = jQuery.fn.extend = function() {
 306          var options, name, src, copy, copyIsArray, clone,
 307                 target = arguments[0] || {},
 308                 i = 1,
 309                 length = arguments.length,
 310                 deep = false;
 311
 312         // Handle a deep copy situation
 313         if ( typeof target === "boolean" ) {
 314                 deep = target;
 315                 target = arguments[1] || {};
 316                 // skip the boolean and the target
 317                 i = 2;
 318         }
 319
 320         // Handle case when target is a string or something (possible in deep copy)
 321         if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
 322                 target = {};
 323         }
 324
 325         // extend jQuery itself if only one argument is passed
 326         if ( length === i ) {
 327                 target = this;
 328                 --i;
 329         }
 330
 331         for ( ; i < length; i++ ) {
 332                 // Only deal with non-null/undefined values
 333                 if ( (options = arguments[ i ]) != null ) {
 334                         // Extend the base object
 335                         for ( name in options ) {
 336                                 src = target[ name ];
 337                                 copy = options[ name ];
 338
 339                                 // Prevent never-ending loop
 340                                 if ( target === copy ) {
 341                                         continue;
 342                                 }
 343
 344                                 // Recurse if we're merging plain objects or arrays
 345                                 if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
 346                                         if ( copyIsArray ) {
 347                                                 copyIsArray = false;
 348                                                 clone = src && jQuery.isArray(src) ? src : [];
 349
 350                                         } else {
 351                                                 clone = src && jQuery.isPlainObject(src) ? src : {};
 352                                         }
 353
 354                                         // Never move original objects, clone them
 355                                         target[ name ] = jQuery.extend( deep, clone, copy );
 356
 357                                 // Don't bring in undefined values
 358                                 } else if ( copy !== undefined ) {
 359                                         target[ name ] = copy;
 360                                 }
 361                         }
 362                 }
 363         }
 364
 365         // Return the modified object
 366         return target;
 367 };
 368
 369 jQuery.extend({
 370         noConflict: function( deep ) {
 371                 window.$ = _$;
 372
 373                 if ( deep ) {
 374                         window.jQuery = _jQuery;
 375                 }
 376
 377                 return jQuery;
 378         },
 379
 380         // Is the DOM ready to be used? Set to true once it occurs.
 381         isReady: false,
 382
 383         // A counter to track how many items to wait for before
 384         // the ready event fires. See #6781
 385         readyWait: 1,
 386
 387         // Handle when the DOM is ready
 388         ready: function( wait ) {
 389                 // A third-party is pushing the ready event forwards
 390                 if ( wait === true ) {
 391                         jQuery.readyWait--;
 392                 }
 393
 394                 // Make sure that the DOM is not already loaded
 395                 if ( !jQuery.readyWait || (wait !== true && !jQuery.isReady) ) {
 396                         // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
 397                         if ( !document.body ) {
 398                                 return setTimeout( jQuery.ready, 1 );
 399                         }
 400
 401                         // Remember that the DOM is ready
 402                         jQuery.isReady = true;
 403
 404                         // If a normal DOM Ready event fired, decrement, and wait if need be
 405                         if ( wait !== true && --jQuery.readyWait > 0 ) {
 406                                 return;
 407                         }
 408
 409                         // If there are functions bound, to execute
 410                         readyList.fire( document , [ jQuery ] );
 411
 412                         // Trigger any bound ready events
 413                         if ( jQuery.fn.trigger ) {
 414                                 jQuery( document ).trigger( "ready" ).unbind( "ready" );
 415                         }
 416                 }
 417         },
 418
 419         bindReady: function() {
 420                 if ( readyBound ) {
 421                         return;
 422                 }
 423
 424                 readyBound = true;
 425
 426                 // Catch cases where $(document).ready() is called after the
 427                 // browser event has already occurred.
 428                 if ( document.readyState === "complete" ) {
 429                         // Handle it asynchronously to allow scripts the opportunity to delay ready
 430                         return setTimeout( jQuery.ready, 1 );
 431                 }
 432
 433                 // Mozilla, Opera and webkit nightlies currently support this event
 434                 if ( document.addEventListener ) {
 435                         // Use the handy event callback
 436                         document.addEventListener( "DOMContentLoaded", DOMContentLoaded, false );
 437
 438                         // A fallback to window.onload, that will always work
 439                         window.addEventListener( "load", jQuery.ready, false );
 440
 441                 // If IE event model is used
 442                 } else if ( document.attachEvent ) {
 443                         // ensure firing before onload,
 444                         // maybe late but safe also for iframes
 445                         document.attachEvent("onreadystatechange", DOMContentLoaded);
 446
 447                         // A fallback to window.onload, that will always work
 448                         window.attachEvent( "onload", jQuery.ready );
 449
 450                         // If IE and not a frame
 451                         // continually check to see if the document is ready
 452                         var toplevel = false;
 453
 454                         try {
 455                                 toplevel = window.frameElement == null;
 456                         } catch(e) {}
 457
 458                         if ( document.documentElement.doScroll && toplevel ) {
 459                                 doScrollCheck();
 460                         }
 461                 }
 462         },
 463
 464         // See test/unit/core.js for details concerning isFunction.
 465         // Since version 1.3, DOM methods and functions like alert
 466         // aren't supported. They return false on IE (#2968).
 467         isFunction: function( obj ) {
 468                 return jQuery.type(obj) === "function";
 469         },
 470
 471         isArray: Array.isArray || function( obj ) {
 472                 return jQuery.type(obj) === "array";
 473         },
 474
 475         // A crude way of determining if an object is a window
 476         isWindow: function( obj ) {
 477                 return obj && typeof obj === "object" && "setInterval" in obj;
 478         },
 479
 480         isNaN: function( obj ) {
 481                 return obj == null || !rdigit.test( obj ) || isNaN( obj );
 482         },
 483
 484         type: function( obj ) {
 485                 return obj == null ?
 486                         String( obj ) :
 487                         class2type[ toString.call(obj) ] || "object";
 488         },
 489
 490         isPlainObject: function( obj ) {
 491                 // Must be an Object.
 492                 // Because of IE, we also have to check the presence of the constructor property.
 493                 // Make sure that DOM nodes and window objects don't pass through, as well
 494                 if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
 495                         return false;
 496                 }
 497
 498                 // Not own constructor property must be Object
 499                 if ( obj.constructor &&
 500                         !hasOwn.call(obj, "constructor") &&
 501                         !hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
 502                         return false;
 503                 }
 504
 505                 // Own properties are enumerated firstly, so to speed up,
 506                 // if last one is own, then all properties are own.
 507
 508                 var key;
 509                 for ( key in obj ) {}
 510
 511                 return key === undefined || hasOwn.call( obj, key );
 512         },
 513
 514         isEmptyObject: function( obj ) {
 515                 for ( var name in obj ) {
 516                         return false;
 517                 }
 518                 return true;
 519         },
 520
 521         error: function( msg ) {
 522                 throw msg;
 523         },
 524
 525         parseJSON: function( data ) {
 526                 if ( typeof data !== "string" || !data ) {
 527                         return null;
 528                 }
 529
 530                 // Make sure leading/trailing whitespace is removed (IE can't handle it)
 531                 data = jQuery.trim( data );
 532
 533                 // Make sure the incoming data is actual JSON
 534                 // Logic borrowed from http://json.org/json2.js
 535                 if ( rvalidchars.test(data.replace(rvalidescape, "@")
 536                         .replace(rvalidtokens, "]")
 537                         .replace(rvalidbraces, "")) ) {
 538
 539                         // Try to use the native JSON parser first
 540                         return window.JSON && window.JSON.parse ?
 541                                 window.JSON.parse( data ) :
 542                                 (new Function("return " + data))();
 543
 544                 } else {
 545                         jQuery.error( "Invalid JSON: " + data );
 546                 }
 547         },
 548
 549         // Cross-browser xml parsing
 550         // (xml & tmp used internally)
 551         parseXML: function( data , xml , tmp ) {
 552
 553                 if ( window.DOMParser ) { // Standard
 554                         tmp = new DOMParser();
 555                         xml = tmp.parseFromString( data , "text/xml" );
 556                 } else { // IE
 557                         xml = new ActiveXObject( "Microsoft.XMLDOM" );
 558                         xml.async = "false";
 559                         xml.loadXML( data );
 560                 }
 561
 562                 tmp = xml.documentElement;
 563
 564                 if ( ! tmp || ! tmp.nodeName || tmp.nodeName === "parsererror" ) {
 565                         jQuery.error( "Invalid XML: " + data );
 566                 }
 567
 568                 return xml;
 569         },
 570
 571         noop: function() {},
 572
 573         // Evalulates a script in a global context
 574         globalEval: function( data ) {
 575                 if ( data && rnotwhite.test(data) ) {
 576                         // Inspired by code by Andrea Giammarchi
 577                         // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
 578                         var head = document.getElementsByTagName("head")[0] || document.documentElement,
 579                                 script = document.createElement("script");
 580
 581                         script.type = "text/javascript";
 582
 583                         if ( jQuery.support.scriptEval ) {
 584                                 script.appendChild( document.createTextNode( data ) );
 585                         } else {
 586                                 script.text = data;
 587                         }
 588
 589                         // Use insertBefore instead of appendChild to circumvent an IE6 bug.
 590                         // This arises when a base node is used (#2709).
 591                         head.insertBefore( script, head.firstChild );
 592                         head.removeChild( script );
 593                 }
 594         },
 595
 596         nodeName: function( elem, name ) {
 597                 return elem.nodeName && elem.nodeName.toUpperCase() === name.toUpperCase();
 598         },
 599
 600         // args is for internal usage only
 601         each: function( object, callback, args ) {
 602                 var name, i = 0,
 603                         length = object.length,
 604                         isObj = length === undefined || jQuery.isFunction(object);
 605
 606                 if ( args ) {
 607                         if ( isObj ) {
 608                                 for ( name in object ) {
 609                                         if ( callback.apply( object[ name ], args ) === false ) {
 610                                                 break;
 611                                         }
 612                                 }
 613                         } else {
 614                                 for ( ; i < length; ) {
 615                                         if ( callback.apply( object[ i++ ], args ) === false ) {
 616                                                 break;
 617                                         }
 618                                 }
 619                         }
 620
 621                 // A special, fast, case for the most common use of each
 622                 } else {
 623                         if ( isObj ) {
 624                                 for ( name in object ) {
 625                                         if ( callback.call( object[ name ], name, object[ name ] ) === false ) {
 626                                                 break;
 627                                         }
 628                                 }
 629                         } else {
 630                                 for ( var value = object[0];
 631                                         i < length && callback.call( value, i, value ) !== false; value = object[++i] ) {}
 632                         }
 633                 }
 634
 635                 return object;
 636         },
 637
 638         // Use native String.trim function wherever possible
 639         trim: trim ?
 640                 function( text ) {
 641                         return text == null ?
 642                                 "" :
 643                                 trim.call( text );
 644                 } :
 645
 646                 // Otherwise use our own trimming functionality
 647                 function( text ) {
 648                         return text == null ?
 649                                 "" :
 650                                 text.toString().replace( trimLeft, "" ).replace( trimRight, "" );
 651                 },
 652
 653         // results is for internal usage only
 654         makeArray: function( array, results ) {
 655                 var ret = results || [];
 656
 657                 if ( array != null ) {
 658                         // The window, strings (and functions) also have 'length'
 659                         // The extra typeof function check is to prevent crashes
 660                         // in Safari 2 (See: #3039)
 661                         // Tweaked logic slightly to handle Blackberry 4.7 RegExp issues #6930
 662                         var type = jQuery.type(array);
 663
 664                         if ( array.length == null || type === "string" || type === "function" || type === "regexp" || jQuery.isWindow( array ) ) {
 665                                 push.call( ret, array );
 666                         } else {
 667                                 jQuery.merge( ret, array );
 668                         }
 669                 }
 670
 671                 return ret;
 672         },
 673
 674         inArray: function( elem, array ) {
 675                 if ( array.indexOf ) {
 676                         return array.indexOf( elem );
 677                 }
 678
 679                 for ( var i = 0, length = array.length; i < length; i++ ) {
 680                         if ( array[ i ] === elem ) {
 681                                 return i;
 682                         }
 683                 }
 684
 685                 return -1;
 686         },
 687
 688         merge: function( first, second ) {
 689                 var i = first.length,
 690                         j = 0;
 691
 692                 if ( typeof second.length === "number" ) {
 693                         for ( var l = second.length; j < l; j++ ) {
 694                                 first[ i++ ] = second[ j ];
 695                         }
 696
 697                 } else {
 698                         while ( second[j] !== undefined ) {
 699                                 first[ i++ ] = second[ j++ ];
 700                         }
 701                 }
 702
 703                 first.length = i;
 704
 705                 return first;
 706         },
 707
 708         grep: function( elems, callback, inv ) {
 709                 var ret = [], retVal;
 710                 inv = !!inv;
 711
 712                 // Go through the array, only saving the items
 713                 // that pass the validator function
 714                 for ( var i = 0, length = elems.length; i < length; i++ ) {
 715                         retVal = !!callback( elems[ i ], i );
 716                         if ( inv !== retVal ) {
 717                                 ret.push( elems[ i ] );
 718                         }
 719                 }
 720
 721                 return ret;
 722         },
 723
 724         // arg is for internal usage only
 725         map: function( elems, callback, arg ) {
 726                 var ret = [], value;
 727
 728                 // Go through the array, translating each of the items to their
 729                 // new value (or values).
 730                 for ( var i = 0, length = elems.length; i < length; i++ ) {
 731                         value = callback( elems[ i ], i, arg );
 732
 733                         if ( value != null ) {
 734                                 ret[ ret.length ] = value;
 735                         }
 736                 }
 737
 738                 // Flatten any nested arrays
 739                 return ret.concat.apply( [], ret );
 740         },
 741
 742         // A global GUID counter for objects
 743         guid: 1,
 744
 745         proxy: function( fn, proxy, thisObject ) {
 746                 if ( arguments.length === 2 ) {
 747                         if ( typeof proxy === "string" ) {
 748                                 thisObject = fn;
 749                                 fn = thisObject[ proxy ];
 750                                 proxy = undefined;
 751
 752                         } else if ( proxy && !jQuery.isFunction( proxy ) ) {
 753                                 thisObject = proxy;
 754                                 proxy = undefined;
 755                         }
 756                 }
 757
 758                 if ( !proxy && fn ) {
 759                         proxy = function() {
 760                                 return fn.apply( thisObject || this, arguments );
 761                         };
 762                 }
 763
 764                 // Set the guid of unique handler to the same of original handler, so it can be removed
 765                 if ( fn ) {
 766                         proxy.guid = fn.guid = fn.guid || proxy.guid || jQuery.guid++;
 767                 }
 768
 769                 // So proxy can be declared as an argument
 770                 return proxy;
 771         },
 772
 773         // Mutifunctional method to get and set values to a collection
 774         // The value/s can be optionally by executed if its a function
 775         access: function( elems, key, value, exec, fn, pass ) {
 776                 var length = elems.length;
 777
 778                 // Setting many attributes
 779                 if ( typeof key === "object" ) {
 780                         for ( var k in key ) {
 781                                 jQuery.access( elems, k, key[k], exec, fn, value );
 782                         }
 783                         return elems;
 784                 }
 785
 786                 // Setting one attribute
 787                 if ( value !== undefined ) {
 788                         // Optionally, function values get executed if exec is true
 789                         exec = !pass && exec && jQuery.isFunction(value);
 790
 791                         for ( var i = 0; i < length; i++ ) {
 792                                 fn( elems[i], key, exec ? value.call( elems[i], i, fn( elems[i], key ) ) : value, pass );
 793                         }
 794
 795                         return elems;
 796                 }
 797
 798                 // Getting an attribute
 799                 return length ? fn( elems[0], key ) : undefined;
 800         },
 801
 802         now: function() {
 803                 return (new Date()).getTime();
 804         },
 805
 806         // Create a simple deferred (one callbacks list)
 807         _Deferred: function() {
 808
 809                 var // callbacks list
 810                         callbacks = [],
 811                         // stored [ context , args ]
 812                         fired,
 813                         // to avoid firing when already doing so
 814                         firing,
 815                         // flag to know if the deferred has been cancelled
 816                         cancelled,
 817                         // the deferred itself
 818                         deferred  = {
 819
 820                                 // done( f1, f2, ...)
 821                                 done: function () {
 822
 823                                         if ( ! cancelled ) {
 824
 825                                                 var args = arguments,
 826                                                         i,
 827                                                         length,
 828                                                         elem,
 829                                                         type,
 830                                                         _fired;
 831
 832                                                 if ( fired ) {
 833                                                         _fired = fired;
 834                                                         fired = 0;
 835                                                 }
 836
 837                                                 for ( i = 0, length = args.length ; i < length ; i++ ) {
 838                                                         elem = args[ i ];
 839                                                         type = jQuery.type( elem );
 840                                                         if ( type === "array" ) {
 841                                                                 deferred.done.apply( deferred , elem );
 842                                                         } else if ( type === "function" ) {
 843                                                                 callbacks.push( elem );
 844                                                         }
 845                                                 }
 846
 847                                                 if ( _fired ) {
 848                                                         deferred.fire( _fired[ 0 ] , _fired[ 1 ] );
 849                                                 }
 850                                         }
 851
 852                                         return this;
 853                                 },
 854
 855                                 // resolve with given context and args
 856                                 fire: function( context , args ) {
 857                                         if ( ! cancelled && ! fired && ! firing ) {
 858
 859                                                 firing = 1;
 860
 861                                                 try {
 862                                                         while( callbacks[ 0 ] ) {
 863                                                                 callbacks.shift().apply( context , args );
 864                                                         }
 865                                                 }
 866                                                 finally {
 867                                                         fired = [ context , args ];
 868                                                         firing = 0;
 869                                                 }
 870                                         }
 871                                         return this;
 872                                 },
 873
 874                                 // resolve with this as context and given arguments
 875                                 resolve: function() {
 876                                         deferred.fire( jQuery.isFunction( this.promise ) ? this.promise() : this , arguments );
 877                                         return this;
 878                                 },
 879
 880                                 // Has this deferred been resolved?
 881                                 isResolved: function() {
 882                                         return !!( firing || fired );
 883                                 },
 884
 885                                 // Cancel
 886                                 cancel: function() {
 887                                         cancelled = 1;
 888                                         callbacks = [];
 889                                         return this;
 890                                 }
 891                         };
 892
 893                 return deferred;
 894         },
 895
 896         // Full fledged deferred (two callbacks list)
 897         // Typical success/error system
 898         Deferred: function( func ) {
 899
 900                 var deferred = jQuery._Deferred(),
 901                         failDeferred = jQuery._Deferred();
 902
 903                 // Add errorDeferred methods and redefine cancel
 904                 jQuery.extend( deferred , {
 905
 906                         then: function( doneCallbacks , failCallbacks ) {
 907                                 deferred.done( doneCallbacks ).fail( failCallbacks );
 908                                 return this;
 909                         },
 910                         fail: failDeferred.done,
 911                         fireReject: failDeferred.fire,
 912                         reject: failDeferred.resolve,
 913                         isRejected: failDeferred.isResolved,
 914                         // Get a promise for this deferred
 915                         // If obj is provided, the promise aspect is added to the object
 916                         promise: function( obj ) {
 917                                 obj = obj || {};
 918                                 jQuery.each( "then done fail isResolved isRejected".split( " " ) , function( _ , method ) {
 919                                         obj[ method ] = deferred[ method ];
 920                                 });
 921                                 obj.promise = function() {
 922                                         return obj;
 923                                 };
 924                                 return obj;
 925                         }
 926
 927                 } );
 928
 929                 // Make sure only one callback list will be used
 930                 deferred.then( failDeferred.cancel , deferred.cancel );
 931
 932                 // Unexpose cancel
 933                 delete deferred.cancel;
 934
 935                 // Call given func if any
 936                 if ( func ) {
 937                         func.call( deferred , deferred );
 938                 }
 939
 940                 return deferred;
 941         },
 942
 943         // Deferred helper
 944         when: function( object ) {
 945                 object = object && jQuery.isFunction( object.promise ) ?
 946                         object :
 947                         jQuery.Deferred().resolve( object );
 948                 return object.promise();
 949         },
 950
 951         // Use of jQuery.browser is frowned upon.
 952         // More details: http://docs.jquery.com/Utilities/jQuery.browser
 953         uaMatch: function( ua ) {
 954                 ua = ua.toLowerCase();
 955
 956                 var match = rwebkit.exec( ua ) ||
 957                         ropera.exec( ua ) ||
 958                         rmsie.exec( ua ) ||
 959                         ua.indexOf("compatible") < 0 && rmozilla.exec( ua ) ||
 960                         [];
 961
 962                 return { browser: match[1] || "", version: match[2] || "0" };
 963         },
 964
 965         subclass: function(){
 966                 function jQuerySubclass( selector, context ) {
 967                         return new jQuerySubclass.fn.init( selector, context );
 968                 }
 969                 jQuerySubclass.superclass = this;
 970                 jQuerySubclass.fn = jQuerySubclass.prototype = this();
 971                 jQuerySubclass.fn.constructor = jQuerySubclass;
 972                 jQuerySubclass.subclass = this.subclass;
 973                 jQuerySubclass.fn.init = function init( selector, context ) {
 974                         if (context && context instanceof jQuery && !(context instanceof jQuerySubclass)){
 975                                 context = jQuerySubclass(context);
 976                         }
 977                         return jQuery.fn.init.call( this, selector, context, rootjQuerySubclass );
 978                 };
 979                 jQuerySubclass.fn.init.prototype = jQuerySubclass.fn;
 980                 var rootjQuerySubclass = jQuerySubclass(document);
 981                 return jQuerySubclass;
 982         },
 983
 984         browser: {}
 985 });
 986
 987 // Create readyList deferred
 988 readyList = jQuery._Deferred();
 989
 990 // Populate the class2type map
 991 jQuery.each("Boolean Number String Function Array Date RegExp Object".split(" "), function(i, name) {
 992         class2type[ "[object " + name + "]" ] = name.toLowerCase();
 993 });
 994
 995 browserMatch = jQuery.uaMatch( userAgent );
 996 if ( browserMatch.browser ) {
 997         jQuery.browser[ browserMatch.browser ] = true;
 998         jQuery.browser.version = browserMatch.version;
 999 }
1000
1001 // Deprecated, use jQuery.browser.webkit instead
1002 if ( jQuery.browser.webkit ) {
1003         jQuery.browser.safari = true;
1004 }
1005
1006 if ( indexOf ) {
1007         jQuery.inArray = function( elem, array ) {
1008                 return indexOf.call( array, elem );
1009         };
1010 }
1011
1012 // Verify that \s matches non-breaking spaces
1013 // (IE fails on this test)
1014 if ( !rwhite.test( "\xA0" ) ) {
1015         trimLeft = /^[\s\xA0]+/;
1016         trimRight = /[\s\xA0]+$/;
1017 }
1018
1019 // All jQuery objects should point back to these
1020 rootjQuery = jQuery(document);
1021
1022 // Cleanup functions for the document ready method
1023 if ( document.addEventListener ) {
1024         DOMContentLoaded = function() {
1025                 document.removeEventListener( "DOMContentLoaded", DOMContentLoaded, false );
1026                 jQuery.ready();
1027         };
1028
1029 } else if ( document.attachEvent ) {
1030         DOMContentLoaded = function() {
1031                 // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
1032                 if ( document.readyState === "complete" ) {
1033                         document.detachEvent( "onreadystatechange", DOMContentLoaded );
1034                         jQuery.ready();
1035                 }
1036         };
1037 }
1038
1039 // The DOM ready check for Internet Explorer
1040 function doScrollCheck() {
1041         if ( jQuery.isReady ) {
1042                 return;
1043         }
1044
1045         try {
1046                 // If IE is used, use the trick by Diego Perini
1047                 // http://javascript.nwbox.com/IEContentLoaded/
1048                 document.documentElement.doScroll("left");
1049         } catch(e) {
1050                 setTimeout( doScrollCheck, 1 );
1051                 return;
1052         }
1053
1054         // and execute any waiting functions
1055         jQuery.ready();
1056 }
1057
1058 // Expose jQuery to the global object
1059 return (window.jQuery = window.$ = jQuery);
1060
1061 })();