2 // Will speed up references to window, and allows munging its name.
4 // Will speed up references to undefined, and allows munging its name.
6 // Map over jQuery in case of overwrite
7 _jQuery = window.jQuery,
8 // Map over the $ in case of overwrite
11 jQuery = window.jQuery = window.$ = function( selector, context ) {
12 // The jQuery object is actually just the init constructor 'enhanced'
13 return selector === undefined ?
15 new jQuery.fn.init( selector, context );
18 // A simple way to check for HTML strings or ID strings
19 // (both of which we optimize for)
20 quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
21 // Is it a simple selector
22 isSimple = /^.[^:#\[\.,]*$/;
24 jQuery.fn = jQuery.prototype = {
25 init: function( selector, context ) {
26 // Handle $("") or $(null)
32 // Handle $(DOMElement)
33 if ( selector.nodeType ) {
36 this.context = selector;
40 // Handle HTML strings
41 if ( typeof selector === "string" ) {
42 // Are we dealing with HTML string or an ID?
43 var match = quickExpr.exec( selector );
45 // Verify a match, and that no context was specified for #id
46 if ( match && (match[1] || !context) ) {
48 // HANDLE: $(html) -> $(array)
50 selector = jQuery.clean( [ match[1] ], context );
54 var elem = document.getElementById( match[3] );
56 // Handle the case where IE and Opera return items
57 // by name instead of ID
58 if ( elem && elem.id != match[3] ) {
59 return rootjQuery.find( selector );
62 // Otherwise, we inject the element directly into the jQuery object
63 var ret = jQuery( elem || null );
64 ret.context = document;
65 ret.selector = selector;
69 // HANDLE: $(expr, $(...))
70 } else if ( !context || context.jquery ) {
71 return (context || rootjQuery).find( selector );
73 // HANDLE: $(expr, context)
74 // (which is just equivalent to: $(content).find(expr)
76 return jQuery( context ).find( selector );
79 // HANDLE: $(function)
80 // Shortcut for document ready
81 } else if ( jQuery.isFunction( selector ) ) {
82 return rootjQuery.ready( selector );
85 // Make sure that old selector state is passed along
86 if ( selector.selector && selector.context ) {
87 this.selector = selector.selector;
88 this.context = selector.context;
91 return this.setArray(jQuery.isArray( selector ) ?
93 jQuery.makeArray(selector));
96 // Start with an empty selector
99 // The current version of jQuery being used
102 // The number of elements contained in the matched element set
107 // Get the Nth element in the matched element set OR
108 // Get the whole matched element set as a clean array
109 get: function( num ) {
110 return num === undefined ?
112 // Return a 'clean' array
113 Array.prototype.slice.call( this ) :
115 // Return just the object
119 // Take an array of elements and push it onto the stack
120 // (returning the new matched element set)
121 pushStack: function( elems, name, selector ) {
122 // Build a new jQuery matched element set
123 var ret = jQuery( elems || null );
125 // Add the old object onto the stack (as a reference)
126 ret.prevObject = this;
128 ret.context = this.context;
130 if ( name === "find" )
131 ret.selector = this.selector + (this.selector ? " " : "") + selector;
133 ret.selector = this.selector + "." + name + "(" + selector + ")";
135 // Return the newly-formed element set
139 // Force the current matched set of elements to become
140 // the specified array of elements (destroying the stack in the process)
141 // You should use pushStack() in order to do this, but maintain the stack
142 setArray: function( elems ) {
143 // Resetting the length to 0, then using the native Array push
144 // is a super-fast way to populate an object with array-like properties
146 Array.prototype.push.apply( this, elems );
151 // Execute a callback for every element in the matched set.
152 // (You can seed the arguments with an array of args, but this is
153 // only used internally.)
154 each: function( callback, args ) {
155 return jQuery.each( this, callback, args );
158 // Determine the position of an element within
159 // the matched set of elements
160 index: function( elem ) {
161 // Locate the position of the desired element
162 return jQuery.inArray(
163 // If it receives a jQuery object, the first element is used
164 elem && elem.jquery ? elem[0] : elem
168 attr: function( name, value, type ) {
171 // Look for the case where we're accessing a style value
172 if ( typeof name === "string" )
173 if ( value === undefined )
174 return this[0] && jQuery[ type || "attr" ]( this[0], name );
178 options[ name ] = value;
181 // Check to see if we're setting style values
182 return this.each(function(i){
183 // Set all the styles
184 for ( name in options )
189 name, jQuery.prop( this, options[ name ], type, i, name )
194 css: function( key, value ) {
195 // ignore negative width and height values
196 if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
198 return this.attr( key, value, "curCSS" );
201 text: function( text ) {
202 if ( typeof text !== "object" && text != null )
203 return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
207 jQuery.each( text || this, function(){
208 jQuery.each( this.childNodes, function(){
209 if ( this.nodeType != 8 )
210 ret += this.nodeType != 1 ?
212 jQuery.fn.text( [ this ] );
219 wrapAll: function( html ) {
221 // The elements to wrap the target around
222 var wrap = jQuery( html, this[0].ownerDocument ).clone();
224 if ( this[0].parentNode )
225 wrap.insertBefore( this[0] );
230 while ( elem.firstChild )
231 elem = elem.firstChild;
240 wrapInner: function( html ) {
241 return this.each(function(){
242 jQuery( this ).contents().wrapAll( html );
246 wrap: function( html ) {
247 return this.each(function(){
248 jQuery( this ).wrapAll( html );
253 return this.domManip(arguments, true, function(elem){
254 if (this.nodeType == 1)
255 this.appendChild( elem );
259 prepend: function() {
260 return this.domManip(arguments, true, function(elem){
261 if (this.nodeType == 1)
262 this.insertBefore( elem, this.firstChild );
267 return this.domManip(arguments, false, function(elem){
268 this.parentNode.insertBefore( elem, this );
273 return this.domManip(arguments, false, function(elem){
274 this.parentNode.insertBefore( elem, this.nextSibling );
279 return this.prevObject || jQuery(null);
282 find: function( selector ) {
283 var ret = this.pushStack( "", "find", selector ), length = 0,
284 splice = Array.prototype.splice;
286 for ( var i = 0, l = this.length; i < l; i++ ) {
288 jQuery.find( selector, this[i], ret );
291 // Make sure that the results are unique
292 for ( var n = length; n < ret.length; n++ ) {
293 for ( var r = 0; r < length; r++ ) {
294 if ( ret[r] === ret[n] ) {
295 splice.call(ret, n--, 1);
306 clone: function( events ) {
308 var ret = this.map(function(){
309 if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) {
310 // IE copies events bound via attachEvent when
311 // using cloneNode. Calling detachEvent on the
312 // clone will also remove the events from the orignal
313 // In order to get around this, we use innerHTML.
314 // Unfortunately, this means some modifications to
315 // attributes in IE that are actually only stored
316 // as properties will not be copied (such as the
317 // the name attribute on an input).
318 var html = this.outerHTML;
320 var div = this.ownerDocument.createElement("div");
321 div.appendChild( this.cloneNode(true) );
322 html = div.innerHTML;
325 return jQuery.clean([html.replace(/ jQuery\d+="(?:\d+|null)"/g, "").replace(/^\s*/, "")])[0];
327 return this.cloneNode(true);
330 // Copy the events from the original to the clone
331 if ( events === true ) {
332 var orig = this.find("*").andSelf(), i = 0;
334 ret.find("*").andSelf().each(function(){
335 if ( this.nodeName !== orig[i].nodeName )
338 var events = jQuery.data( orig[i], "events" );
340 for ( var type in events ) {
341 for ( var handler in events[ type ] ) {
342 jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data );
350 // Return the cloned set
354 filter: function( selector ) {
355 return this.pushStack(
356 jQuery.isFunction( selector ) &&
357 jQuery.grep(this, function(elem, i){
358 return selector.call( elem, i );
361 jQuery.multiFilter( selector, jQuery.grep(this, function(elem){
362 return elem.nodeType === 1;
363 }) ), "filter", selector );
366 closest: function( selector ) {
367 var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null,
370 return this.map(function(){
372 while ( cur && cur.ownerDocument ) {
373 if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) ) {
374 jQuery.data(cur, "closest", closer);
377 cur = cur.parentNode;
383 not: function( selector ) {
384 if ( typeof selector === "string" )
385 // test special case where just one selector is passed in
386 if ( isSimple.test( selector ) )
387 return this.pushStack( jQuery.multiFilter( selector, this, true ), "not", selector );
389 selector = jQuery.multiFilter( selector, this );
391 var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
392 return this.filter(function() {
393 return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
397 add: function( selector ) {
398 return this.pushStack( jQuery.unique( jQuery.merge(
400 typeof selector === "string" ?
402 jQuery.makeArray( selector )
406 is: function( selector ) {
407 return !!selector && jQuery.multiFilter( selector, this ).length > 0;
410 hasClass: function( selector ) {
411 return !!selector && this.is( "." + selector );
414 val: function( value ) {
415 if ( value === undefined ) {
419 if( jQuery.nodeName( elem, 'option' ) )
420 return (elem.attributes.value || {}).specified ? elem.value : elem.text;
422 // We need to handle select boxes special
423 if ( jQuery.nodeName( elem, "select" ) ) {
424 var index = elem.selectedIndex,
426 options = elem.options,
427 one = elem.type == "select-one";
429 // Nothing was selected
433 // Loop through all the selected options
434 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
435 var option = options[ i ];
437 if ( option.selected ) {
438 // Get the specifc value for the option
439 value = jQuery(option).val();
441 // We don't need an array for one selects
445 // Multi-Selects return an array
446 values.push( value );
453 // Everything else, we just grab the value
454 return (elem.value || "").replace(/\r/g, "");
461 if ( typeof value === "number" )
464 return this.each(function(){
465 if ( this.nodeType != 1 )
468 if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) )
469 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
470 jQuery.inArray(this.name, value) >= 0);
472 else if ( jQuery.nodeName( this, "select" ) ) {
473 var values = jQuery.makeArray(value);
475 jQuery( "option", this ).each(function(){
476 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
477 jQuery.inArray( this.text, values ) >= 0);
480 if ( !values.length )
481 this.selectedIndex = -1;
488 html: function( value ) {
489 return value === undefined ?
491 this[0].innerHTML.replace(/ jQuery\d+="(?:\d+|null)"/g, "") :
493 this.empty().append( value );
496 replaceWith: function( value ) {
497 return this.after( value ).remove();
501 return this.slice( i, +i + 1 );
505 return this.pushStack( Array.prototype.slice.apply( this, arguments ),
506 "slice", Array.prototype.slice.call(arguments).join(",") );
509 map: function( callback ) {
510 return this.pushStack( jQuery.map(this, function(elem, i){
511 return callback.call( elem, i, elem );
515 andSelf: function() {
516 return this.add( this.prevObject );
519 domManip: function( args, table, callback ) {
521 var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(),
522 scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ),
523 first = fragment.firstChild;
526 for ( var i = 0, l = this.length; i < l; i++ )
527 callback.call( root(this[i], first), this.length > 1 || i > 0 ?
528 fragment.cloneNode(true) : fragment );
531 jQuery.each( scripts, evalScript );
536 function root( elem, cur ) {
537 return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ?
538 (elem.getElementsByTagName("tbody")[0] ||
539 elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
545 // Give the init function the jQuery prototype for later instantiation
546 jQuery.fn.init.prototype = jQuery.fn;
548 function evalScript( i, elem ) {
557 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
559 if ( elem.parentNode )
560 elem.parentNode.removeChild( elem );
567 jQuery.extend = jQuery.fn.extend = function() {
568 // copy reference to target object
569 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
571 // Handle a deep copy situation
572 if ( typeof target === "boolean" ) {
574 target = arguments[1] || {};
575 // skip the boolean and the target
579 // Handle case when target is a string or something (possible in deep copy)
580 if ( typeof target !== "object" && !jQuery.isFunction(target) )
583 // extend jQuery itself if only one argument is passed
589 for ( ; i < length; i++ )
590 // Only deal with non-null/undefined values
591 if ( (options = arguments[ i ]) != null )
592 // Extend the base object
593 for ( var name in options ) {
594 var src = target[ name ], copy = options[ name ];
596 // Prevent never-ending loop
597 if ( target === copy )
600 // Recurse if we're merging object values
601 if ( deep && copy && typeof copy === "object" && !copy.nodeType )
602 target[ name ] = jQuery.extend( deep,
603 // Never move original objects, clone them
604 src || ( copy.length != null ? [ ] : { } )
607 // Don't bring in undefined values
608 else if ( copy !== undefined )
609 target[ name ] = copy;
613 // Return the modified object
617 // exclude the following css properties to add px
618 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
620 defaultView = document.defaultView || {},
621 toString = Object.prototype.toString;
624 noConflict: function( deep ) {
628 window.jQuery = _jQuery;
633 // See test/unit/core.js for details concerning isFunction.
634 // Since version 1.3, DOM methods and functions like alert
635 // aren't supported. They return false on IE (#2968).
636 isFunction: function( obj ) {
637 return toString.call(obj) === "[object Function]";
640 isArray: function( obj ) {
641 return toString.call(obj) === "[object Array]";
644 // check if an element is in a (or is an) XML document
645 isXMLDoc: function( elem ) {
646 return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
647 !!elem.ownerDocument && jQuery.isXMLDoc( elem.ownerDocument );
650 // Evalulates a script in a global context
651 globalEval: function( data ) {
652 if ( data && /\S/.test(data) ) {
653 // Inspired by code by Andrea Giammarchi
654 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
655 var head = document.getElementsByTagName("head")[0] || document.documentElement,
656 script = document.createElement("script");
658 script.type = "text/javascript";
659 if ( jQuery.support.scriptEval )
660 script.appendChild( document.createTextNode( data ) );
664 // Use insertBefore instead of appendChild to circumvent an IE6 bug.
665 // This arises when a base node is used (#2709).
666 head.insertBefore( script, head.firstChild );
667 head.removeChild( script );
671 nodeName: function( elem, name ) {
672 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
675 // args is for internal usage only
676 each: function( object, callback, args ) {
677 var name, i = 0, length = object.length;
680 if ( length === undefined ) {
681 for ( name in object )
682 if ( callback.apply( object[ name ], args ) === false )
685 for ( ; i < length; )
686 if ( callback.apply( object[ i++ ], args ) === false )
689 // A special, fast, case for the most common use of each
691 if ( length === undefined ) {
692 for ( name in object )
693 if ( callback.call( object[ name ], name, object[ name ] ) === false )
696 for ( var value = object[0];
697 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
703 prop: function( elem, value, type, i, name ) {
704 // Handle executable functions
705 if ( jQuery.isFunction( value ) )
706 value = value.call( elem, i );
708 // Handle passing in a number to a CSS property
709 return typeof value === "number" && type == "curCSS" && !exclude.test( name ) ?
715 // internal only, use addClass("class")
716 add: function( elem, classNames ) {
717 jQuery.each((classNames || "").split(/\s+/), function(i, className){
718 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
719 elem.className += (elem.className ? " " : "") + className;
723 // internal only, use removeClass("class")
724 remove: function( elem, classNames ) {
725 if (elem.nodeType == 1)
726 elem.className = classNames !== undefined ?
727 jQuery.grep(elem.className.split(/\s+/), function(className){
728 return !jQuery.className.has( classNames, className );
733 // internal only, use hasClass("class")
734 has: function( elem, className ) {
735 return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
739 // A method for quickly swapping in/out CSS properties to get correct calculations
740 swap: function( elem, options, callback ) {
742 // Remember the old values, and insert the new ones
743 for ( var name in options ) {
744 old[ name ] = elem.style[ name ];
745 elem.style[ name ] = options[ name ];
748 callback.call( elem );
750 // Revert the old values
751 for ( var name in options )
752 elem.style[ name ] = old[ name ];
755 css: function( elem, name, force, extra ) {
756 if ( name == "width" || name == "height" ) {
757 var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
760 val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
762 if ( extra === "border" )
765 jQuery.each( which, function() {
767 val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
768 if ( extra === "margin" )
769 val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0;
771 val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
775 if ( elem.offsetWidth !== 0 )
778 jQuery.swap( elem, props, getWH );
780 return Math.max(0, Math.round(val));
783 return jQuery.curCSS( elem, name, force );
786 curCSS: function( elem, name, force ) {
787 var ret, style = elem.style;
789 // We need to handle opacity special in IE
790 if ( name == "opacity" && !jQuery.support.opacity ) {
791 ret = jQuery.attr( style, "opacity" );
798 // Make sure we're using the right name for getting the float value
799 if ( name.match( /float/i ) )
802 if ( !force && style && style[ name ] )
805 else if ( defaultView.getComputedStyle ) {
807 // Only "float" is needed here
808 if ( name.match( /float/i ) )
811 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
813 var computedStyle = defaultView.getComputedStyle( elem, null );
816 ret = computedStyle.getPropertyValue( name );
818 // We should always get a number back from opacity
819 if ( name == "opacity" && ret == "" )
822 } else if ( elem.currentStyle ) {
823 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
824 return letter.toUpperCase();
827 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
829 // From the awesome hack by Dean Edwards
830 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
832 // If we're not dealing with a regular pixel number
833 // but a number that has a weird ending, we need to convert it to pixels
834 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
835 // Remember the original values
836 var left = style.left, rsLeft = elem.runtimeStyle.left;
838 // Put in the new values to get a computed value out
839 elem.runtimeStyle.left = elem.currentStyle.left;
840 style.left = ret || 0;
841 ret = style.pixelLeft + "px";
843 // Revert the changed values
845 elem.runtimeStyle.left = rsLeft;
852 clean: function( elems, context, fragment ) {
853 context = context || document;
855 // !context.createElement fails in IE with an error but returns typeof 'object'
856 if ( typeof context.createElement === "undefined" )
857 context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
859 // If a single string is passed in and it's a single tag
860 // just do a createElement and skip the rest
861 if ( !fragment && elems.length === 1 && typeof elems[0] === "string" ) {
862 var match = /^<(\w+)\s*\/?>$/.exec(elems[0]);
864 return [ context.createElement( match[1] ) ];
867 var ret = [], scripts = [], div = context.createElement("div");
869 jQuery.each(elems, function(i, elem){
870 if ( typeof elem === "number" )
876 // Convert html string into DOM nodes
877 if ( typeof elem === "string" ) {
878 // Fix "XHTML"-style tags in all browsers
879 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
880 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
882 front + "></" + tag + ">";
885 // Trim whitespace, otherwise indexOf won't work as expected
886 var tags = elem.replace(/^\s+/, "").substring(0, 10).toLowerCase();
889 // option or optgroup
890 !tags.indexOf("<opt") &&
891 [ 1, "<select multiple='multiple'>", "</select>" ] ||
893 !tags.indexOf("<leg") &&
894 [ 1, "<fieldset>", "</fieldset>" ] ||
896 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
897 [ 1, "<table>", "</table>" ] ||
899 !tags.indexOf("<tr") &&
900 [ 2, "<table><tbody>", "</tbody></table>" ] ||
902 // <thead> matched above
903 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
904 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
906 !tags.indexOf("<col") &&
907 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
909 // IE can't serialize <link> and <script> tags normally
910 !jQuery.support.htmlSerialize &&
911 [ 1, "div<div>", "</div>" ] ||
915 // Go to html and back, then peel off extra wrappers
916 div.innerHTML = wrap[1] + elem + wrap[2];
918 // Move to the right depth
922 // Remove IE's autoinserted <tbody> from table fragments
923 if ( !jQuery.support.tbody ) {
925 // String was a <table>, *may* have spurious <tbody>
926 var hasBody = /<tbody/i.test(elem),
927 tbody = !tags.indexOf("<table") && !hasBody ?
928 div.firstChild && div.firstChild.childNodes :
930 // String was a bare <thead> or <tfoot>
931 wrap[1] == "<table>" && !hasBody ?
935 for ( var j = tbody.length - 1; j >= 0 ; --j )
936 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
937 tbody[ j ].parentNode.removeChild( tbody[ j ] );
941 // IE completely kills leading whitespace when innerHTML is used
942 if ( !jQuery.support.leadingWhitespace && /^\s/.test( elem ) )
943 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
945 elem = jQuery.makeArray( div.childNodes );
951 ret = jQuery.merge( ret, elem );
956 for ( var i = 0; ret[i]; i++ ) {
957 if ( jQuery.nodeName( ret[i], "script" ) && (!ret[i].type || ret[i].type.toLowerCase() === "text/javascript") ) {
958 scripts.push( ret[i].parentNode ? ret[i].parentNode.removeChild( ret[i] ) : ret[i] );
960 if ( ret[i].nodeType === 1 )
961 ret.splice.apply( ret, [i + 1, 0].concat(jQuery.makeArray(ret[i].getElementsByTagName("script"))) );
962 fragment.appendChild( ret[i] );
972 attr: function( elem, name, value ) {
973 // don't set attributes on text and comment nodes
974 if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
977 var notxml = !jQuery.isXMLDoc( elem ),
978 // Whether we are setting (or getting)
979 set = value !== undefined;
981 // Try to normalize/fix the name
982 name = notxml && jQuery.props[ name ] || name;
984 // Only do all the following if this is a node (faster for style)
985 // IE elem.getAttribute passes even for style
986 if ( elem.tagName ) {
988 // These attributes require special treatment
989 var special = /href|src|style/.test( name );
991 // Safari mis-reports the default selected property of a hidden option
992 // Accessing the parent's selectedIndex property fixes it
993 if ( name == "selected" && elem.parentNode )
994 elem.parentNode.selectedIndex;
996 // If applicable, access the attribute via the DOM 0 way
997 if ( name in elem && notxml && !special ) {
999 // We can't allow the type property to be changed (since it causes problems in IE)
1000 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1001 throw "type property can't be changed";
1003 elem[ name ] = value;
1006 // browsers index elements by id/name on forms, give priority to attributes.
1007 if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) )
1008 return elem.getAttributeNode( name ).nodeValue;
1010 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
1011 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
1012 if ( name == "tabIndex" ) {
1013 var attributeNode = elem.getAttributeNode( "tabIndex" );
1014 return attributeNode && attributeNode.specified
1015 ? attributeNode.value
1016 : elem.nodeName.match(/(button|input|object|select|textarea)/i)
1018 : elem.nodeName.match(/^(a|area)$/i) && elem.href
1023 return elem[ name ];
1026 if ( !jQuery.support.style && notxml && name == "style" )
1027 return jQuery.attr( elem.style, "cssText", value );
1030 // convert the value to a string (all browsers do this but IE) see #1070
1031 elem.setAttribute( name, "" + value );
1033 var attr = !jQuery.support.hrefNormalized && notxml && special
1034 // Some attributes require a special call on IE
1035 ? elem.getAttribute( name, 2 )
1036 : elem.getAttribute( name );
1038 // Non-existent attributes return null, we normalize to undefined
1039 return attr === null ? undefined : attr;
1042 // elem is actually elem.style ... set the style
1044 // IE uses filters for opacity
1045 if ( !jQuery.support.opacity && name == "opacity" ) {
1047 // IE has trouble with opacity if it does not have layout
1048 // Force it by setting the zoom level
1051 // Set the alpha filter to set the opacity
1052 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1053 (parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1056 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1057 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
1061 name = name.replace(/-([a-z])/ig, function(all, letter){
1062 return letter.toUpperCase();
1066 elem[ name ] = value;
1068 return elem[ name ];
1071 trim: function( text ) {
1072 return (text || "").replace( /^\s+|\s+$/g, "" );
1075 makeArray: function( array ) {
1078 if( array != null ){
1079 var i = array.length;
1080 // The window, strings (and functions) also have 'length'
1081 if( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval )
1085 ret[--i] = array[i];
1091 inArray: function( elem, array ) {
1092 for ( var i = 0, length = array.length; i < length; i++ )
1093 // Use === because on IE, window == document
1094 if ( array[ i ] === elem )
1100 merge: function( first, second ) {
1101 // We have to loop this way because IE & Opera overwrite the length
1102 // expando of getElementsByTagName
1103 var i = 0, elem, pos = first.length;
1104 // Also, we need to make sure that the correct elements are being returned
1105 // (IE returns comment nodes in a '*' query)
1106 if ( !jQuery.support.getAll ) {
1107 while ( (elem = second[ i++ ]) != null )
1108 if ( elem.nodeType != 8 )
1109 first[ pos++ ] = elem;
1112 while ( (elem = second[ i++ ]) != null )
1113 first[ pos++ ] = elem;
1118 unique: function( array ) {
1119 var ret = [], done = {};
1123 for ( var i = 0, length = array.length; i < length; i++ ) {
1124 var id = jQuery.data( array[ i ] );
1126 if ( !done[ id ] ) {
1128 ret.push( array[ i ] );
1139 grep: function( elems, callback, inv ) {
1142 // Go through the array, only saving the items
1143 // that pass the validator function
1144 for ( var i = 0, length = elems.length; i < length; i++ )
1145 if ( !inv != !callback( elems[ i ], i ) )
1146 ret.push( elems[ i ] );
1151 map: function( elems, callback ) {
1154 // Go through the array, translating each of the items to their
1155 // new value (or values).
1156 for ( var i = 0, length = elems.length; i < length; i++ ) {
1157 var value = callback( elems[ i ], i );
1159 if ( value != null )
1160 ret[ ret.length ] = value;
1163 return ret.concat.apply( [], ret );
1167 // All jQuery objects should point back to these
1168 var rootjQuery = jQuery(document);
1170 // Use of jQuery.browser is deprecated.
1171 // It's included for backwards compatibility and plugins,
1172 // although they should work to migrate away.
1174 var userAgent = navigator.userAgent.toLowerCase();
1176 // Figure out what browser is being used
1178 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
1179 safari: /webkit/.test( userAgent ),
1180 opera: /opera/.test( userAgent ),
1181 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1182 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1186 parent: function(elem){return elem.parentNode;},
1187 parents: function(elem){return jQuery.dir(elem,"parentNode");},
1188 next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
1189 prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
1190 nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
1191 prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
1192 siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
1193 children: function(elem){return jQuery.sibling(elem.firstChild);},
1194 contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
1195 }, function(name, fn){
1196 jQuery.fn[ name ] = function( selector ) {
1197 var ret = jQuery.map( this, fn );
1199 if ( selector && typeof selector == "string" )
1200 ret = jQuery.multiFilter( selector, ret );
1202 return this.pushStack( jQuery.unique( ret ), name, selector );
1208 prependTo: "prepend",
1209 insertBefore: "before",
1210 insertAfter: "after",
1211 replaceAll: "replaceWith"
1212 }, function(name, original){
1213 jQuery.fn[ name ] = function( selector ) {
1214 var ret = [], insert = jQuery( selector );
1216 for ( var i = 0, l = insert.length; i < l; i++ ) {
1217 var elems = (i > 0 ? this.clone(true) : this).get();
1218 jQuery.fn[ original ].apply( jQuery(insert[i]), elems );
1219 ret = ret.concat( elems );
1222 return this.pushStack( ret, name, selector );
1227 removeAttr: function( name ) {
1228 jQuery.attr( this, name, "" );
1229 if (this.nodeType == 1)
1230 this.removeAttribute( name );
1233 addClass: function( classNames ) {
1234 jQuery.className.add( this, classNames );
1237 removeClass: function( classNames ) {
1238 jQuery.className.remove( this, classNames );
1241 toggleClass: function( classNames, state ) {
1242 if( typeof state !== "boolean" )
1243 state = !jQuery.className.has( this, classNames );
1244 jQuery.className[ state ? "add" : "remove" ]( this, classNames );
1247 remove: function( selector ) {
1248 if ( !selector || jQuery.multiFilter( selector, [ this ] ).length ) {
1249 if ( this.nodeType === 1 ) {
1250 cleanData( this.getElementsByTagName("*") );
1251 cleanData( [this] );
1254 if ( this.parentNode ) {
1255 this.parentNode.removeChild( this );
1261 // Remove element nodes and prevent memory leaks
1262 if ( this.nodeType === 1 ) {
1263 cleanData( this.getElementsByTagName("*") );
1266 // Remove any remaining nodes
1267 while ( this.firstChild ) {
1268 this.removeChild( this.firstChild );
1271 }, function(name, fn){
1272 jQuery.fn[ name ] = function(){
1273 return this.each( fn, arguments );
1277 function cleanData( elems ) {
1278 for ( var i = 0, l = elems.length; i < l; i++ ) {
1279 var id = elems[i][expando];
1281 delete jQuery.cache[ id ];
1286 // Helper function used by the dimensions and offset modules
1287 function num(elem, prop) {
1288 return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;