2 * jQuery @VERSION - New Wave Javascript
4 * Copyright (c) 2008 John Resig (jquery.com)
5 * Dual licensed under the MIT (MIT-LICENSE.txt)
6 * and GPL (GPL-LICENSE.txt) licenses.
12 // Map over jQuery in case of overwrite
13 var _jQuery = window.jQuery,
14 // Map over the $ in case of overwrite
17 var jQuery = window.jQuery = window.$ = function( selector, context ) {
18 // The jQuery object is actually just the init constructor 'enhanced'
19 return new jQuery.fn.init( selector, context );
22 // A simple way to check for HTML strings or ID strings
23 // (both of which we optimize for)
24 var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
26 // Is it a simple selector
27 isSimple = /^.[^:#\[\.]*$/,
29 // Will speed up references to undefined, and allows munging its name.
32 jQuery.fn = jQuery.prototype = {
33 init: function( selector, context ) {
34 // Make sure that a selection was provided
35 selector = selector || document;
37 // Handle $(DOMElement)
38 if ( selector.nodeType ) {
43 // Handle HTML strings
44 if ( typeof selector == "string" ) {
45 // Are we dealing with HTML string or an ID?
46 var match = quickExpr.exec( selector );
48 // Verify a match, and that no context was specified for #id
49 if ( match && (match[1] || !context) ) {
51 // HANDLE: $(html) -> $(array)
53 selector = jQuery.clean( [ match[1] ], context );
57 var elem = document.getElementById( match[3] );
59 // Make sure an element was located
61 // Handle the case where IE and Opera return items
62 // by name instead of ID
63 if ( elem.id != match[3] )
64 return jQuery().find( selector );
66 // Otherwise, we inject the element directly into the jQuery object
67 return jQuery( elem );
72 // HANDLE: $(expr, [context])
73 // (which is just equivalent to: $(content).find(expr)
75 return jQuery( context ).find( selector );
77 // HANDLE: $(function)
78 // Shortcut for document ready
79 } else if ( jQuery.isFunction( selector ) )
80 return jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
82 return this.setArray(jQuery.makeArray(selector));
85 // The current version of jQuery being used
88 // The number of elements contained in the matched element set
93 // Get the Nth element in the matched element set OR
94 // Get the whole matched element set as a clean array
95 get: function( num ) {
96 return num == undefined ?
98 // Return a 'clean' array
99 jQuery.makeArray( this ) :
101 // Return just the object
105 // Take an array of elements and push it onto the stack
106 // (returning the new matched element set)
107 pushStack: function( elems ) {
108 // Build a new jQuery matched element set
109 var ret = jQuery( elems );
111 // Add the old object onto the stack (as a reference)
112 ret.prevObject = this;
114 // Return the newly-formed element set
118 // Force the current matched set of elements to become
119 // the specified array of elements (destroying the stack in the process)
120 // You should use pushStack() in order to do this, but maintain the stack
121 setArray: function( elems ) {
122 // Resetting the length to 0, then using the native Array push
123 // is a super-fast way to populate an object with array-like properties
125 Array.prototype.push.apply( this, elems );
130 // Execute a callback for every element in the matched set.
131 // (You can seed the arguments with an array of args, but this is
132 // only used internally.)
133 each: function( callback, args ) {
134 return jQuery.each( this, callback, args );
137 // Determine the position of an element within
138 // the matched set of elements
139 index: function( elem ) {
142 // Locate the position of the desired element
143 return jQuery.inArray(
144 // If it receives a jQuery object, the first element is used
145 elem && elem.jquery ? elem[0] : elem
149 attr: function( name, value, type ) {
152 // Look for the case where we're accessing a style value
153 if ( name.constructor == String )
154 if ( value === undefined )
155 return this[0] && jQuery[ type || "attr" ]( this[0], name );
159 options[ name ] = value;
162 // Check to see if we're setting style values
163 return this.each(function(i){
164 // Set all the styles
165 for ( name in options )
170 name, jQuery.prop( this, options[ name ], type, i, name )
175 css: function( key, value ) {
176 // ignore negative width and height values
177 if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
179 return this.attr( key, value, "curCSS" );
182 text: function( text ) {
183 if ( typeof text != "object" && text != null )
184 return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
188 jQuery.each( text || this, function(){
189 jQuery.each( this.childNodes, function(){
190 if ( this.nodeType != 8 )
191 ret += this.nodeType != 1 ?
193 jQuery.fn.text( [ this ] );
200 wrapAll: function( html ) {
202 // The elements to wrap the target around
203 jQuery( html, this[0].ownerDocument )
205 .insertBefore( this[0] )
209 while ( elem.firstChild )
210 elem = elem.firstChild;
219 wrapInner: function( html ) {
220 return this.each(function(){
221 jQuery( this ).contents().wrapAll( html );
225 wrap: function( html ) {
226 return this.each(function(){
227 jQuery( this ).wrapAll( html );
232 return this.domManip(arguments, true, false, function(elem){
233 if (this.nodeType == 1)
234 this.appendChild( elem );
238 prepend: function() {
239 return this.domManip(arguments, true, true, function(elem){
240 if (this.nodeType == 1)
241 this.insertBefore( elem, this.firstChild );
246 return this.domManip(arguments, false, false, function(elem){
247 this.parentNode.insertBefore( elem, this );
252 return this.domManip(arguments, false, true, function(elem){
253 this.parentNode.insertBefore( elem, this.nextSibling );
258 return this.prevObject || jQuery( [] );
261 find: function( selector ) {
262 var elems = jQuery.map(this, function(elem){
263 return jQuery.find( selector, elem );
266 return this.pushStack( /[^+>] [^+>]/.test( selector ) ?
267 jQuery.unique( elems ) :
271 clone: function( events ) {
273 var ret = this.map(function(){
274 if ( jQuery.browser.msie && !jQuery.isXMLDoc(this) ) {
275 // IE copies events bound via attachEvent when
276 // using cloneNode. Calling detachEvent on the
277 // clone will also remove the events from the orignal
278 // In order to get around this, we use innerHTML.
279 // Unfortunately, this means some modifications to
280 // attributes in IE that are actually only stored
281 // as properties will not be copied (such as the
282 // the name attribute on an input).
283 var clone = this.cloneNode(true),
284 container = document.createElement("div");
285 container.appendChild(clone);
286 return jQuery.clean([container.innerHTML])[0];
288 return this.cloneNode(true);
291 // Need to set the expando to null on the cloned set if it exists
292 // removeData doesn't work here, IE removes it from the original as well
293 // this is primarily for IE but the data expando shouldn't be copied over in any browser
294 var clone = ret.find("*").andSelf().each(function(){
295 if ( this[ expando ] != undefined )
296 this[ expando ] = null;
299 // Copy the events from the original to the clone
300 if ( events === true )
301 this.find("*").andSelf().each(function(i){
302 if (this.nodeType == 3)
304 var events = jQuery.data( this, "events" );
306 for ( var type in events )
307 for ( var handler in events[ type ] )
308 jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
311 // Return the cloned set
315 filter: function( selector ) {
316 return this.pushStack(
317 jQuery.isFunction( selector ) &&
318 jQuery.grep(this, function(elem, i){
319 return selector.call( elem, i );
322 jQuery.multiFilter( selector, this ) );
325 not: function( selector ) {
326 if ( selector.constructor == String )
327 // test special case where just one selector is passed in
328 if ( isSimple.test( selector ) )
329 return this.pushStack( jQuery.multiFilter( selector, this, true ) );
331 selector = jQuery.multiFilter( selector, this );
333 var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
334 return this.filter(function() {
335 return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
339 add: function( selector ) {
340 return this.pushStack( jQuery.unique( jQuery.merge(
342 typeof selector == 'string' ?
344 jQuery.makeArray( selector )
348 is: function( selector ) {
349 return !!selector && jQuery.multiFilter( selector, this ).length > 0;
352 hasClass: function( selector ) {
353 return this.is( "." + selector );
356 val: function( value ) {
357 if ( value == undefined ) {
361 if( jQuery.nodeName( elem, 'option' ) )
362 return (elem.attributes.value || {}).specified ? elem.value : elem.text;
364 // We need to handle select boxes special
365 if ( jQuery.nodeName( elem, "select" ) ) {
366 var index = elem.selectedIndex,
368 options = elem.options,
369 one = elem.type == "select-one";
371 // Nothing was selected
375 // Loop through all the selected options
376 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
377 var option = options[ i ];
379 if ( option.selected ) {
380 // Get the specifc value for the option
381 value = jQuery(option).val();
383 // We don't need an array for one selects
387 // Multi-Selects return an array
388 values.push( value );
395 // Everything else, we just grab the value
396 return (elem.value || "").replace(/\r/g, "");
403 if( value.constructor == Number )
406 return this.each(function(){
407 if ( this.nodeType != 1 )
410 if ( value.constructor == Array && /radio|checkbox/.test( this.type ) )
411 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
412 jQuery.inArray(this.name, value) >= 0);
414 else if ( jQuery.nodeName( this, "select" ) ) {
415 var values = jQuery.makeArray(value);
417 jQuery( "option", this ).each(function(){
418 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
419 jQuery.inArray( this.text, values ) >= 0);
422 if ( !values.length )
423 this.selectedIndex = -1;
430 html: function( value ) {
431 return value == undefined ?
435 this.empty().append( value );
438 replaceWith: function( value ) {
439 return this.after( value ).remove();
443 return this.slice( i, +i + 1 );
447 return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
450 map: function( callback ) {
451 return this.pushStack( jQuery.map(this, function(elem, i){
452 return callback.call( elem, i, elem );
456 andSelf: function() {
457 return this.add( this.prevObject );
460 data: function( key, value ){
461 var parts = key.split(".");
462 parts[1] = parts[1] ? "." + parts[1] : "";
464 if ( value === undefined ) {
465 var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
467 if ( data === undefined && this.length )
468 data = jQuery.data( this[0], key );
470 return data === undefined && parts[1] ?
471 this.data( parts[0] ) :
474 return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){
475 jQuery.data( this, key, value );
479 removeData: function( key ){
480 return this.each(function(){
481 jQuery.removeData( this, key );
485 domManip: function( args, table, reverse, callback ) {
486 var clone = this.length > 1, elems;
488 return this.each(function(){
490 elems = jQuery.clean( args, this.ownerDocument );
498 if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
499 obj = this.getElementsByTagName("tbody")[0] || this.appendChild( this.ownerDocument.createElement("tbody") );
501 var scripts = jQuery( [] );
503 jQuery.each(elems, function(){
505 jQuery( this ).clone( true )[0] :
508 // execute all scripts after the elements have been injected
509 if ( jQuery.nodeName( elem, "script" ) )
510 scripts = scripts.add( elem );
512 // Remove any inner scripts for later evaluation
513 if ( elem.nodeType == 1 )
514 scripts = scripts.add( jQuery( "script", elem ).remove() );
516 // Inject the elements into the document
517 callback.call( obj, elem );
521 scripts.each( evalScript );
526 // Give the init function the jQuery prototype for later instantiation
527 jQuery.fn.init.prototype = jQuery.fn;
529 function evalScript( i, elem ) {
538 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
540 if ( elem.parentNode )
541 elem.parentNode.removeChild( elem );
548 jQuery.extend = jQuery.fn.extend = function() {
549 // copy reference to target object
550 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
552 // Handle a deep copy situation
553 if ( target.constructor == Boolean ) {
555 target = arguments[1] || {};
556 // skip the boolean and the target
560 // Handle case when target is a string or something (possible in deep copy)
561 if ( typeof target != "object" && typeof target != "function" )
564 // extend jQuery itself if only one argument is passed
570 for ( ; i < length; i++ )
571 // Only deal with non-null/undefined values
572 if ( (options = arguments[ i ]) != null )
573 // Extend the base object
574 for ( var name in options ) {
575 var src = target[ name ], copy = options[ name ];
577 // Prevent never-ending loop
578 if ( target === copy )
581 // Recurse if we're merging object values
582 if ( deep && copy && typeof copy == "object" && !copy.nodeType )
583 target[ name ] = jQuery.extend( deep,
584 // Never move original objects, clone them
585 src || ( copy.length != null ? [ ] : { } )
588 // Don't bring in undefined values
589 else if ( copy !== undefined )
590 target[ name ] = copy;
594 // Return the modified object
598 var expando = "jQuery" + now(), uuid = 0, windowData = {},
599 // exclude the following css properties to add px
600 exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
602 defaultView = document.defaultView || {};
605 noConflict: function( deep ) {
609 window.jQuery = _jQuery;
614 // See test/unit/core.js for details concerning this function.
615 // Since 1.3 DOM methods and function like alert
616 // aren't supported. They return false on IE (#2968).
617 isFunction: function( fn ) {
618 return fn instanceof Function;
621 // check if an element is in a (or is an) XML document
622 isXMLDoc: function( elem ) {
623 return elem.documentElement && !elem.body ||
624 elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
627 // Evalulates a script in a global context
628 globalEval: function( data ) {
629 data = jQuery.trim( data );
632 // Inspired by code by Andrea Giammarchi
633 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
634 var head = document.getElementsByTagName("head")[0] || document.documentElement,
635 script = document.createElement("script");
637 script.type = "text/javascript";
638 if ( jQuery.browser.msie )
641 script.appendChild( document.createTextNode( data ) );
643 // Use insertBefore instead of appendChild to circumvent an IE6 bug.
644 // This arises when a base node is used (#2709).
645 head.insertBefore( script, head.firstChild );
646 head.removeChild( script );
650 nodeName: function( elem, name ) {
651 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
656 data: function( elem, name, data ) {
657 elem = elem == window ?
661 var id = elem[ expando ];
663 // Compute a unique ID for the element
665 id = elem[ expando ] = ++uuid;
667 // Only generate the data cache if we're
668 // trying to access or manipulate it
669 if ( name && !jQuery.cache[ id ] )
670 jQuery.cache[ id ] = {};
672 // Prevent overriding the named cache with undefined values
673 if ( data !== undefined )
674 jQuery.cache[ id ][ name ] = data;
676 // Return the named cache data, or the ID for the element
678 jQuery.cache[ id ][ name ] :
682 removeData: function( elem, name ) {
683 elem = elem == window ?
687 var id = elem[ expando ];
689 // If we want to remove a specific section of the element's data
691 if ( jQuery.cache[ id ] ) {
692 // Remove the section of cache data
693 delete jQuery.cache[ id ][ name ];
695 // If we've removed all the data, remove the element's cache
698 for ( name in jQuery.cache[ id ] )
702 jQuery.removeData( elem );
705 // Otherwise, we want to remove all of the element's data
707 // Clean up the element expando
709 delete elem[ expando ];
711 // IE has trouble directly removing the expando
712 // but it's ok with using removeAttribute
713 if ( elem.removeAttribute )
714 elem.removeAttribute( expando );
717 // Completely remove the data cache
718 delete jQuery.cache[ id ];
722 // args is for internal usage only
723 each: function( object, callback, args ) {
724 var name, i = 0, length = object.length;
727 if ( length == undefined ) {
728 for ( name in object )
729 if ( callback.apply( object[ name ], args ) === false )
732 for ( ; i < length; )
733 if ( callback.apply( object[ i++ ], args ) === false )
736 // A special, fast, case for the most common use of each
738 if ( length == undefined ) {
739 for ( name in object )
740 if ( callback.call( object[ name ], name, object[ name ] ) === false )
743 for ( var value = object[0];
744 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
750 prop: function( elem, value, type, i, name ) {
751 // Handle executable functions
752 if ( jQuery.isFunction( value ) )
753 value = value.call( elem, i );
755 // Handle passing in a number to a CSS property
756 return value && value.constructor == Number && type == "curCSS" && !exclude.test( name ) ?
762 // internal only, use addClass("class")
763 add: function( elem, classNames ) {
764 jQuery.each((classNames || "").split(/\s+/), function(i, className){
765 if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
766 elem.className += (elem.className ? " " : "") + className;
770 // internal only, use removeClass("class")
771 remove: function( elem, classNames ) {
772 if (elem.nodeType == 1)
773 elem.className = classNames != undefined ?
774 jQuery.grep(elem.className.split(/\s+/), function(className){
775 return !jQuery.className.has( classNames, className );
780 // internal only, use hasClass("class")
781 has: function( elem, className ) {
782 return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
786 // A method for quickly swapping in/out CSS properties to get correct calculations
787 swap: function( elem, options, callback ) {
789 // Remember the old values, and insert the new ones
790 for ( var name in options ) {
791 old[ name ] = elem.style[ name ];
792 elem.style[ name ] = options[ name ];
795 callback.call( elem );
797 // Revert the old values
798 for ( var name in options )
799 elem.style[ name ] = old[ name ];
802 css: function( elem, name, force ) {
803 if ( name == "width" || name == "height" ) {
804 var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
807 val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
808 var padding = 0, border = 0;
809 jQuery.each( which, function() {
810 padding += parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
811 border += parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
813 val -= Math.round(padding + border);
816 if ( jQuery(elem).is(":visible") )
819 jQuery.swap( elem, props, getWH );
821 return Math.max(0, val);
824 return jQuery.curCSS( elem, name, force );
827 curCSS: function( elem, name, force ) {
828 var ret, style = elem.style;
830 // A helper method for determining if an element's values are broken
831 function color( elem ) {
832 if ( !jQuery.browser.safari )
835 // defaultView is cached
836 var ret = defaultView.getComputedStyle( elem, null );
837 return !ret || ret.getPropertyValue("color") == "";
840 // We need to handle opacity special in IE
841 if ( name == "opacity" && jQuery.browser.msie ) {
842 ret = jQuery.attr( style, "opacity" );
848 // Opera sometimes will give the wrong display answer, this fixes it, see #2037
849 if ( jQuery.browser.opera && name == "display" ) {
850 var save = style.outline;
851 style.outline = "0 solid black";
852 style.outline = save;
855 // Make sure we're using the right name for getting the float value
856 if ( name.match( /float/i ) )
859 if ( !force && style && style[ name ] )
862 else if ( defaultView.getComputedStyle ) {
864 // Only "float" is needed here
865 if ( name.match( /float/i ) )
868 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
870 var computedStyle = defaultView.getComputedStyle( elem, null );
872 if ( computedStyle && !color( elem ) )
873 ret = computedStyle.getPropertyValue( name );
875 // If the element isn't reporting its values properly in Safari
876 // then some display: none elements are involved
878 var swap = [], stack = [], a = elem, i = 0;
880 // Locate all of the parent display: none elements
881 for ( ; a && color(a); a = a.parentNode )
884 // Go through and make them visible, but in reverse
885 // (It would be better if we knew the exact display type that they had)
886 for ( ; i < stack.length; i++ )
887 if ( color( stack[ i ] ) ) {
888 swap[ i ] = stack[ i ].style.display;
889 stack[ i ].style.display = "block";
892 // Since we flip the display style, we have to handle that
893 // one special, otherwise get the value
894 ret = name == "display" && swap[ stack.length - 1 ] != null ?
896 ( computedStyle && computedStyle.getPropertyValue( name ) ) || "";
898 // Finally, revert the display styles back
899 for ( i = 0; i < swap.length; i++ )
900 if ( swap[ i ] != null )
901 stack[ i ].style.display = swap[ i ];
904 // We should always get a number back from opacity
905 if ( name == "opacity" && ret == "" )
908 } else if ( elem.currentStyle ) {
909 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
910 return letter.toUpperCase();
913 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
915 // From the awesome hack by Dean Edwards
916 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
918 // If we're not dealing with a regular pixel number
919 // but a number that has a weird ending, we need to convert it to pixels
920 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
921 // Remember the original values
922 var left = style.left, rsLeft = elem.runtimeStyle.left;
924 // Put in the new values to get a computed value out
925 elem.runtimeStyle.left = elem.currentStyle.left;
926 style.left = ret || 0;
927 ret = style.pixelLeft + "px";
929 // Revert the changed values
931 elem.runtimeStyle.left = rsLeft;
938 clean: function( elems, context ) {
940 context = context || document;
941 // !context.createElement fails in IE with an error but returns typeof 'object'
942 if (typeof context.createElement == 'undefined')
943 context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
945 jQuery.each(elems, function(i, elem){
946 if ( typeof elem == 'number' )
952 // Convert html string into DOM nodes
953 if ( typeof elem == "string" ) {
954 // Fix "XHTML"-style tags in all browsers
955 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
956 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
958 front + "></" + tag + ">";
961 // Trim whitespace, otherwise indexOf won't work as expected
962 var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
965 // option or optgroup
966 !tags.indexOf("<opt") &&
967 [ 1, "<select multiple='multiple'>", "</select>" ] ||
969 !tags.indexOf("<leg") &&
970 [ 1, "<fieldset>", "</fieldset>" ] ||
972 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
973 [ 1, "<table>", "</table>" ] ||
975 !tags.indexOf("<tr") &&
976 [ 2, "<table><tbody>", "</tbody></table>" ] ||
978 // <thead> matched above
979 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
980 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
982 !tags.indexOf("<col") &&
983 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
985 // IE can't serialize <link> and <script> tags normally
986 jQuery.browser.msie &&
987 [ 1, "div<div>", "</div>" ] ||
991 // Go to html and back, then peel off extra wrappers
992 div.innerHTML = wrap[1] + elem + wrap[2];
994 // Move to the right depth
998 // Remove IE's autoinserted <tbody> from table fragments
999 if ( jQuery.browser.msie ) {
1001 // String was a <table>, *may* have spurious <tbody>
1002 var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
1003 div.firstChild && div.firstChild.childNodes :
1005 // String was a bare <thead> or <tfoot>
1006 wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
1010 for ( var j = tbody.length - 1; j >= 0 ; --j )
1011 if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
1012 tbody[ j ].parentNode.removeChild( tbody[ j ] );
1014 // IE completely kills leading whitespace when innerHTML is used
1015 if ( /^\s/.test( elem ) )
1016 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
1020 elem = jQuery.makeArray( div.childNodes );
1023 if ( elem.length === 0 && (!jQuery.nodeName( elem, "form" ) && !jQuery.nodeName( elem, "select" )) )
1026 if ( elem[0] == undefined || jQuery.nodeName( elem, "form" ) || elem.options )
1030 ret = jQuery.merge( ret, elem );
1037 attr: function( elem, name, value ) {
1038 // don't set attributes on text and comment nodes
1039 if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
1042 var notxml = !jQuery.isXMLDoc( elem ),
1043 // Whether we are setting (or getting)
1044 set = value !== undefined,
1045 msie = jQuery.browser.msie;
1047 // Try to normalize/fix the name
1048 name = notxml && jQuery.props[ name ] || name;
1050 // Only do all the following if this is a node (faster for style)
1051 // IE elem.getAttribute passes even for style
1052 if ( elem.tagName ) {
1054 // These attributes require special treatment
1055 var special = /href|src|style/.test( name );
1057 // Safari mis-reports the default selected property of a hidden option
1058 // Accessing the parent's selectedIndex property fixes it
1059 if ( name == "selected" && jQuery.browser.safari )
1060 elem.parentNode.selectedIndex;
1062 // If applicable, access the attribute via the DOM 0 way
1063 if ( name in elem && notxml && !special ) {
1065 // We can't allow the type property to be changed (since it causes problems in IE)
1066 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1067 throw "type property can't be changed";
1069 elem[ name ] = value;
1072 // browsers index elements by id/name on forms, give priority to attributes.
1073 if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) )
1074 return elem.getAttributeNode( name ).nodeValue;
1076 return elem[ name ];
1079 if ( msie && notxml && name == "style" )
1080 return jQuery.attr( elem.style, "cssText", value );
1083 // convert the value to a string (all browsers do this but IE) see #1070
1084 elem.setAttribute( name, "" + value );
1086 var attr = msie && notxml && special
1087 // Some attributes require a special call on IE
1088 ? elem.getAttribute( name, 2 )
1089 : elem.getAttribute( name );
1091 // Non-existent attributes return null, we normalize to undefined
1092 return attr === null ? undefined : attr;
1095 // elem is actually elem.style ... set the style
1097 // IE uses filters for opacity
1098 if ( msie && name == "opacity" ) {
1100 // IE has trouble with opacity if it does not have layout
1101 // Force it by setting the zoom level
1104 // Set the alpha filter to set the opacity
1105 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1106 (parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1109 return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
1110 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
1114 name = name.replace(/-([a-z])/ig, function(all, letter){
1115 return letter.toUpperCase();
1119 elem[ name ] = value;
1121 return elem[ name ];
1124 trim: function( text ) {
1125 return (text || "").replace( /^\s+|\s+$/g, "" );
1128 // NOTE: Due to the conflict with Scriptaculous (http://dev.jquery.com/ticket/3248)
1129 // We remove support for functions since jQuery 1.3
1130 makeArray: function( array ) {
1133 if( array != null ){
1134 var i = array.length;
1135 // The window, strings (and functions) also have 'length'
1136 if( i == null || typeof array == 'string' || array.setInterval )
1140 ret[--i] = array[i];
1146 inArray: function( elem, array ) {
1147 for ( var i = 0, length = array.length; i < length; i++ )
1148 // Use === because on IE, window == document
1149 if ( array[ i ] === elem )
1155 merge: function( first, second ) {
1156 // We have to loop this way because IE & Opera overwrite the length
1157 // expando of getElementsByTagName
1158 var i = 0, elem, pos = first.length;
1159 // Also, we need to make sure that the correct elements are being returned
1160 // (IE returns comment nodes in a '*' query)
1161 if ( jQuery.browser.msie ) {
1162 while ( elem = second[ i++ ] )
1163 if ( elem.nodeType != 8 )
1164 first[ pos++ ] = elem;
1167 while ( elem = second[ i++ ] )
1168 first[ pos++ ] = elem;
1173 unique: function( array ) {
1174 var ret = [], done = {};
1178 for ( var i = 0, length = array.length; i < length; i++ ) {
1179 var id = jQuery.data( array[ i ] );
1181 if ( !done[ id ] ) {
1183 ret.push( array[ i ] );
1194 grep: function( elems, callback, inv ) {
1197 // Go through the array, only saving the items
1198 // that pass the validator function
1199 for ( var i = 0, length = elems.length; i < length; i++ )
1200 if ( !inv != !callback( elems[ i ], i ) )
1201 ret.push( elems[ i ] );
1206 map: function( elems, callback ) {
1209 // Go through the array, translating each of the items to their
1210 // new value (or values).
1211 for ( var i = 0, length = elems.length; i < length; i++ ) {
1212 var value = callback( elems[ i ], i );
1214 if ( value != null )
1215 ret[ ret.length ] = value;
1218 return ret.concat.apply( [], ret );
1222 var userAgent = navigator.userAgent.toLowerCase();
1224 // Figure out what browser is being used
1226 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1],
1227 safari: /webkit/.test( userAgent ),
1228 opera: /opera/.test( userAgent ),
1229 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1230 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1233 var styleFloat = jQuery.browser.msie ?
1238 // Check to see if the W3C box model is being used
1239 boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
1243 "class": "className",
1244 "float": styleFloat,
1245 cssFloat: styleFloat,
1246 styleFloat: styleFloat,
1247 readonly: "readOnly",
1248 maxlength: "maxLength",
1249 cellspacing: "cellSpacing",
1255 parent: function(elem){return elem.parentNode;},
1256 parents: function(elem){return jQuery.dir(elem,"parentNode");},
1257 next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
1258 prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
1259 nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
1260 prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
1261 siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
1262 children: function(elem){return jQuery.sibling(elem.firstChild);},
1263 contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
1264 }, function(name, fn){
1265 jQuery.fn[ name ] = function( selector ) {
1266 var ret = jQuery.map( this, fn );
1268 if ( selector && typeof selector == "string" )
1269 ret = jQuery.multiFilter( selector, ret );
1271 return this.pushStack( jQuery.unique( ret ) );
1277 prependTo: "prepend",
1278 insertBefore: "before",
1279 insertAfter: "after",
1280 replaceAll: "replaceWith"
1281 }, function(name, original){
1282 jQuery.fn[ name ] = function() {
1283 var args = arguments;
1285 return this.each(function(){
1286 for ( var i = 0, length = args.length; i < length; i++ )
1287 jQuery( args[ i ] )[ original ]( this );
1293 removeAttr: function( name ) {
1294 jQuery.attr( this, name, "" );
1295 if (this.nodeType == 1)
1296 this.removeAttribute( name );
1299 addClass: function( classNames ) {
1300 jQuery.className.add( this, classNames );
1303 removeClass: function( classNames ) {
1304 jQuery.className.remove( this, classNames );
1307 toggleClass: function( classNames ) {
1308 jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
1311 remove: function( selector ) {
1312 if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
1313 // Prevent memory leaks
1314 jQuery( "*", this ).add([this]).each(function(){
1315 jQuery.event.remove(this);
1316 jQuery.removeData(this);
1318 if (this.parentNode)
1319 this.parentNode.removeChild( this );
1324 // Remove element nodes and prevent memory leaks
1325 jQuery( ">*", this ).remove();
1327 // Remove any remaining nodes
1328 while ( this.firstChild )
1329 this.removeChild( this.firstChild );
1331 }, function(name, fn){
1332 jQuery.fn[ name ] = function(){
1333 return this.each( fn, arguments );
1337 jQuery.each([ "Height", "Width" ], function(i, name){
1338 var type = name.toLowerCase();
1340 jQuery.fn[ type ] = function( size ) {
1341 // Get window width or height
1342 return this[0] == window ?
1343 // Opera reports document.body.client[Width/Height] properly in both quirks and standards
1344 jQuery.browser.opera && document.body[ "client" + name ] ||
1346 // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
1347 jQuery.browser.safari && window[ "inner" + name ] ||
1349 // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
1350 document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
1352 // Get document width or height
1353 this[0] == document ?
1354 // Either scroll[Width/Height] or offset[Width/Height], whichever is greater
1356 Math.max(document.body["scroll" + name], document.documentElement["scroll" + name]),
1357 Math.max(document.body["offset" + name], document.documentElement["offset" + name])
1360 // Get or set width or height on the element
1362 // Get width or height on the element
1363 (this.length ? jQuery.css( this[0], type ) : null) :
1365 // Set the width or height on the element (default to pixels if value is unitless)
1366 this.css( type, size.constructor == String ? size : size + "px" );
1370 // Helper function used by the dimensions and offset modules
1371 function num(elem, prop) {
1372 return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;