2 * jQuery @VERSION - New Wave Javascript
4 * Copyright (c) 2007 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
14 var _jQuery = window.jQuery;
16 var jQuery = window.jQuery = function( selector, context ) {
17 // If the context is a namespace object, return a new object
18 return this instanceof jQuery ?
19 this.init( selector, context ) :
20 new jQuery( selector, context );
23 // Map over the $ in case of overwrite
27 // Map the jQuery namespace to the '$' one
30 // A simple way to check for HTML strings or ID strings
31 // (both of which we optimize for)
32 var quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#(\w+)$/;
34 jQuery.fn = jQuery.prototype = {
35 init: function( selector, context ) {
36 // Make sure that a selection was provided
37 selector = selector || document;
39 // Handle HTML strings
40 if ( typeof selector == "string" ) {
41 // Are we dealing with HTML string or an ID?
42 var match = quickExpr.exec( selector );
44 // Verify a match, and that no context was specified for #id
45 if ( match && (match[1] || !context) ) {
47 // HANDLE: $(html) -> $(array)
49 selector = jQuery.clean( [ match[1] ], context );
53 var elem = document.getElementById( match[3] );
55 // Make sure an element was located
57 // Handle the case where IE and Opera return items
58 // by name instead of ID
59 if ( elem.id != match[3] )
60 return jQuery().find( selector );
62 // Otherwise, we inject the element directly into the jQuery object
73 // HANDLE: $(expr, [context])
74 // (which is just equivalent to: $(content).find(expr)
76 return new jQuery( context ).find( selector );
78 // HANDLE: $(function)
79 // Shortcut for document ready
80 } else if ( jQuery.isFunction( selector ) )
81 return new jQuery( document )[ jQuery.fn.ready ? "ready" : "load" ]( selector );
85 selector.constructor == Array && selector ||
87 // HANDLE: $(arraylike)
88 // Watch for when an array-like object, contains DOM nodes, is passed in as the selector
89 (selector.jquery || selector.length && selector != window && !selector.nodeType && selector[0] != undefined && selector[0].nodeType) && jQuery.makeArray( selector ) ||
95 // The current version of jQuery being used
98 // The number of elements contained in the matched element set
103 // The number of elements contained in the matched element set
106 // Get the Nth element in the matched element set OR
107 // Get the whole matched element set as a clean array
108 get: function( num ) {
109 return num == undefined ?
111 // Return a 'clean' array
112 jQuery.makeArray( this ) :
114 // Return just the object
118 // Take an array of elements and push it onto the stack
119 // (returning the new matched element set)
120 pushStack: function( elems ) {
121 // Build a new jQuery matched element set
122 var ret = jQuery( elems );
124 // Add the old object onto the stack (as a reference)
125 ret.prevObject = this;
127 // Return the newly-formed element set
131 // Force the current matched set of elements to become
132 // the specified array of elements (destroying the stack in the process)
133 // You should use pushStack() in order to do this, but maintain the stack
134 setArray: function( elems ) {
135 // Resetting the length to 0, then using the native Array push
136 // is a super-fast way to populate an object with array-like properties
138 Array.prototype.push.apply( this, elems );
143 // Execute a callback for every element in the matched set.
144 // (You can seed the arguments with an array of args, but this is
145 // only used internally.)
146 each: function( callback, args ) {
147 return jQuery.each( this, callback, args );
150 // Determine the position of an element within
151 // the matched set of elements
152 index: function( elem ) {
155 // Locate the position of the desired element
156 this.each(function(i){
164 attr: function( name, value, type ) {
167 // Look for the case where we're accessing a style value
168 if ( name.constructor == String )
169 if ( value == undefined )
170 return this.length && jQuery[ type || "attr" ]( this[0], name ) || undefined;
174 options[ name ] = value;
177 // Check to see if we're setting style values
178 return this.each(function(i){
179 // Set all the styles
180 for ( name in options )
185 name, jQuery.prop( this, options[ name ], type, i, name )
190 css: function( key, value ) {
191 return this.attr( key, value, "curCSS" );
194 text: function( text ) {
195 if ( typeof text != "object" && text != null )
196 return this.empty().append( document.createTextNode( text ) );
200 jQuery.each( text || this, function(){
201 jQuery.each( this.childNodes, function(){
202 if ( this.nodeType != 8 )
203 ret += this.nodeType != 1 ?
205 jQuery.fn.text( [ this ] );
212 wrapAll: function( html ) {
214 // The elements to wrap the target around
215 jQuery( html, this[0].ownerDocument )
217 .insertBefore( this[0] )
221 while ( elem.firstChild )
222 elem = elem.firstChild;
231 wrapInner: function( html ) {
232 return this.each(function(){
233 jQuery( this ).contents().wrapAll( html );
237 wrap: function( html ) {
238 return this.each(function(){
239 jQuery( this ).wrapAll( html );
244 return this.domManip(arguments, true, false, function(elem){
245 this.appendChild( elem );
249 prepend: function() {
250 return this.domManip(arguments, true, true, function(elem){
251 this.insertBefore( elem, this.firstChild );
256 return this.domManip(arguments, false, false, function(elem){
257 this.parentNode.insertBefore( elem, this );
262 return this.domManip(arguments, false, true, function(elem){
263 this.parentNode.insertBefore( elem, this.nextSibling );
268 return this.prevObject || jQuery( [] );
271 find: function( selector ) {
272 var elems = jQuery.map(this, function(elem){
273 return jQuery.find( selector, elem );
276 return this.pushStack( /[^+>] [^+>]/.test( selector ) || selector.indexOf("..") > -1 ?
277 jQuery.unique( elems ) :
281 clone: function( events ) {
283 var ret = this.map(function(){
284 return this.outerHTML ?
285 jQuery( this.outerHTML )[0] :
286 this.cloneNode( true );
289 // Need to set the expando to null on the cloned set if it exists
290 // removeData doesn't work here, IE removes it from the original as well
291 // this is primarily for IE but the data expando shouldn't be copied over in any browser
292 var clone = ret.find("*").andSelf().each(function(){
293 if ( this[ expando ] != undefined )
294 this[ expando ] = null;
297 // Copy the events from the original to the clone
298 if ( events === true )
299 this.find("*").andSelf().each(function(i){
300 var events = jQuery.data( this, "events" );
302 for ( var type in events )
303 for ( var handler in events[ type ] )
304 jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
307 // Return the cloned set
311 filter: function( selector ) {
312 return this.pushStack(
313 jQuery.isFunction( selector ) &&
314 jQuery.grep(this, function(elem, i){
315 return selector.call( elem, i );
318 jQuery.multiFilter( selector, this ) );
321 not: function( selector ) {
322 return this.pushStack(
323 selector.constructor == String &&
324 jQuery.multiFilter( selector, this, true ) ||
326 jQuery.grep(this, function(elem) {
327 return selector.constructor == Array || selector.jquery ?
328 jQuery.inArray( elem, selector ) < 0 :
333 add: function( selector ) {
334 return this.pushStack( jQuery.merge(
336 selector.constructor == String ?
337 jQuery( selector ).get() :
338 selector.length != undefined && (!selector.nodeName || jQuery.nodeName(selector, "form")) ?
339 selector : [selector] ) );
342 is: function( selector ) {
344 jQuery.multiFilter( selector, this ).length > 0 :
348 hasClass: function( selector ) {
349 return this.is( "." + selector );
352 val: function( value ) {
353 if ( value == undefined ) {
358 // We need to handle select boxes special
359 if ( jQuery.nodeName( elem, "select" ) ) {
360 var index = elem.selectedIndex,
362 options = elem.options,
363 one = elem.type == "select-one";
365 // Nothing was selected
369 // Loop through all the selected options
370 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
371 var option = options[ i ];
373 if ( option.selected ) {
374 // Get the specifc value for the option
375 value = jQuery.browser.msie && !option.attributes.value.specified ? option.text : option.value;
377 // We don't need an array for one selects
381 // Multi-Selects return an array
382 values.push( value );
388 // Everything else, we just grab the value
390 return this[0].value.replace(/\r/g, "");
395 return this.each(function(){
396 if ( value.constructor == Array && /radio|checkbox/.test( this.type ) )
397 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
398 jQuery.inArray(this.name, value) >= 0);
400 else if ( jQuery.nodeName( this, "select" ) ) {
401 var values = value.constructor == Array ?
405 jQuery( "option", this ).each(function(){
406 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
407 jQuery.inArray( this.text, values ) >= 0);
410 if ( !values.length )
411 this.selectedIndex = -1;
418 html: function( value ) {
419 return value == undefined ?
423 this.empty().append( value );
426 replaceWith: function( value ) {
427 return this.after( value ).remove();
431 return this.slice( i, i + 1 );
435 return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
438 map: function( callback ) {
439 return this.pushStack( jQuery.map(this, function(elem, i){
440 return callback.call( elem, i, elem );
444 andSelf: function() {
445 return this.add( this.prevObject );
448 domManip: function( args, table, reverse, callback ) {
449 var clone = this.length > 1, elems;
451 return this.each(function(){
453 elems = jQuery.clean( args, this.ownerDocument );
461 if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
462 obj = this.getElementsByTagName("tbody")[0] || this.appendChild( document.createElement("tbody") );
464 var scripts = jQuery( [] );
466 jQuery.each(elems, function(){
468 this.cloneNode( true ) :
471 if ( jQuery.nodeName( elem, "script" ) ) {
473 // If scripts are waiting to be executed, wait on this script as well
474 if ( scripts.length )
475 scripts = scripts.add( elem );
477 // If nothing is waiting to be executed, run immediately
479 evalScript( 0, elem );
482 // Remove any inner scripts for later evaluation
483 if ( elem.nodeType == 1 )
484 scripts = scripts.add( jQuery( "script", elem ).remove() );
486 // Inject the elements into the document
487 callback.call( obj, elem );
491 scripts.each( evalScript );
496 function evalScript( i, elem ) {
505 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
507 if ( elem.parentNode )
508 elem.parentNode.removeChild( elem );
511 jQuery.extend = jQuery.fn.extend = function() {
512 // copy reference to target object
513 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
515 // Handle a deep copy situation
516 if ( target.constructor == Boolean ) {
518 target = arguments[1] || {};
519 // skip the boolean and the target
523 // Handle case when target is a string or something (possible in deep copy)
524 if ( typeof target != "object" )
527 // extend jQuery itself if only one argument is passed
533 for ( ; i < length; i++ )
534 // Only deal with non-null/undefined values
535 if ( (options = arguments[ i ]) != null )
536 // Extend the base object
537 for ( var name in options ) {
538 // Prevent never-ending loop
539 if ( target === options[ name ] )
542 // Recurse if we're merging object values
543 if ( deep && typeof options[ name ] == "object" && target[ name ] && !options[ name ].nodeType )
544 target[ name ] = jQuery.extend( target[ name ], options[ name ] );
546 // Don't bring in undefined values
547 else if ( options[ name ] != undefined )
548 target[ name ] = options[ name ];
552 // Return the modified object
556 var expando = "jQuery" + (new Date()).getTime(), uuid = 0, windowData = {};
558 // exclude the following css properties to add px
559 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
562 noConflict: function( deep ) {
566 window.jQuery = _jQuery;
571 // This may seem like some crazy code, but trust me when I say that this
572 // is the only cross-browser way to do this. --John
573 isFunction: function( fn ) {
574 return !!fn && typeof fn != "string" && !fn.nodeName &&
575 fn.constructor != Array && /function/i.test( fn + "" );
578 // check if an element is in a (or is an) XML document
579 isXMLDoc: function( elem ) {
580 return elem.documentElement && !elem.body ||
581 elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
584 // Evalulates a script in a global context
585 // Evaluates Async. in Safari 2 :-(
586 globalEval: function( data ) {
587 data = jQuery.trim( data );
590 // Inspired by code by Andrea Giammarchi
591 // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
592 var head = document.getElementsByTagName("head")[0] || document.documentElement,
593 script = document.createElement("script");
595 script.type = "text/javascript";
596 if ( jQuery.browser.msie )
599 script.appendChild( document.createTextNode( data ) );
601 head.appendChild( script );
602 head.removeChild( script );
606 nodeName: function( elem, name ) {
607 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
612 data: function( elem, name, data ) {
613 elem = elem == window ?
617 var id = elem[ expando ];
619 // Compute a unique ID for the element
621 id = elem[ expando ] = ++uuid;
623 // Only generate the data cache if we're
624 // trying to access or manipulate it
625 if ( name && !jQuery.cache[ id ] )
626 jQuery.cache[ id ] = {};
628 // Prevent overriding the named cache with undefined values
629 if ( data != undefined )
630 jQuery.cache[ id ][ name ] = data;
632 // Return the named cache data, or the ID for the element
634 jQuery.cache[ id ][ name ] :
638 removeData: function( elem, name ) {
639 elem = elem == window ?
643 var id = elem[ expando ];
645 // If we want to remove a specific section of the element's data
647 if ( jQuery.cache[ id ] ) {
648 // Remove the section of cache data
649 delete jQuery.cache[ id ][ name ];
651 // If we've removed all the data, remove the element's cache
654 for ( name in jQuery.cache[ id ] )
658 jQuery.removeData( elem );
661 // Otherwise, we want to remove all of the element's data
663 // Clean up the element expando
665 delete elem[ expando ];
667 // IE has trouble directly removing the expando
668 // but it's ok with using removeAttribute
669 if ( elem.removeAttribute )
670 elem.removeAttribute( expando );
673 // Completely remove the data cache
674 delete jQuery.cache[ id ];
678 // args is for internal usage only
679 each: function( object, callback, args ) {
681 if ( object.length == undefined )
682 for ( var name in object )
683 callback.apply( object[ name ], args );
685 for ( var i = 0, length = object.length; i < length; i++ )
686 if ( callback.apply( object[ i ], args ) === false )
689 // A special, fast, case for the most common use of each
691 if ( object.length == undefined )
692 for ( var name in object )
693 callback.call( object[ name ], name, object[ name ] );
695 for ( var i = 0, length = object.length, value = object[0];
696 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
702 prop: function( elem, value, type, i, name ) {
703 // Handle executable functions
704 if ( jQuery.isFunction( value ) )
705 value = value.call( elem, i );
707 // Handle passing in a number to a CSS property
708 return value && value.constructor == Number && type == "curCSS" && !exclude.test( name ) ?
714 // internal only, use addClass("class")
715 add: function( elem, classNames ) {
716 jQuery.each((classNames || "").split(/\s+/), function(i, className){
717 if ( !jQuery.className.has( elem.className, className ) )
718 elem.className += (elem.className ? " " : "") + className;
722 // internal only, use removeClass("class")
723 remove: function( elem, classNames ) {
724 elem.className = classNames != undefined ?
725 jQuery.grep(elem.className.split(/\s+/), function(className){
726 return !jQuery.className.has( classNames, className );
731 // internal only, use is(".class")
732 has: function( elem, className ) {
733 return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
737 // A method for quickly swapping in/out CSS properties to get correct calculations
738 swap: function( elem, options, callback ) {
739 // Remember the old values, and insert the new ones
740 for ( var name in options ) {
741 elem.style[ "old" + name ] = elem.style[ name ];
742 elem.style[ name ] = options[ name ];
745 callback.call( elem );
747 // Revert the old values
748 for ( var name in options )
749 elem.style[ name ] = elem.style[ "old" + name ];
752 css: function( elem, name ) {
753 if ( name == "height" || name == "width" ) {
754 var old = {}, height, width;
756 // Revert the padding and border widths to get the
757 // correct height/width values
758 jQuery.each([ "Top", "Bottom", "Right", "Left" ], function(){
759 old[ "padding" + this ] = 0;
760 old[ "border" + this + "Width" ] = 0;
763 // Swap out the padding/border values temporarily
764 jQuery.swap( elem, old, function() {
766 // If the element is visible, then the calculation is easy
767 if ( jQuery( elem ).is(":visible") ) {
768 height = elem.offsetHeight;
769 width = elem.offsetWidth;
771 // Otherwise, we need to flip out more values
773 elem = jQuery( elem.cloneNode(true) )
774 .find(":radio").removeAttr("checked").removeAttr("defaultChecked").end()
776 visibility: "hidden",
777 position: "absolute",
781 }).appendTo( elem.parentNode )[0];
783 var position = jQuery.css( elem.parentNode, "position" ) || "static";
784 if ( position == "static" )
785 elem.parentNode.style.position = "relative";
787 height = elem.clientHeight;
788 width = elem.clientWidth;
790 if ( position == "static" )
791 elem.parentNode.style.position = "static";
793 elem.parentNode.removeChild( elem );
797 return name == "height" ?
802 return jQuery.curCSS( elem, name );
805 curCSS: function( elem, name, force ) {
808 // A helper method for determining if an element's values are broken
809 function color( elem ) {
810 if ( !jQuery.browser.safari )
813 var ret = document.defaultView.getComputedStyle( elem, null );
814 return !ret || ret.getPropertyValue("color") == "";
817 // We need to handle opacity special in IE
818 if ( name == "opacity" && jQuery.browser.msie ) {
819 ret = jQuery.attr( elem.style, "opacity" );
826 // Make sure we're using the right name for getting the float value
827 if ( name.match( /float/i ) )
830 if ( !force && elem.style[ name ] )
831 ret = elem.style[ name ];
833 else if ( document.defaultView && document.defaultView.getComputedStyle ) {
835 // Only "float" is needed here
836 if ( name.match( /float/i ) )
839 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
841 var getComputedStyle = document.defaultView.getComputedStyle( elem, null );
843 if ( getComputedStyle && !color( elem ) )
844 ret = getComputedStyle.getPropertyValue( name );
846 // If the element isn't reporting its values properly in Safari
847 // then some display: none elements are involved
849 var swap = [], stack = [];
851 // Locate all of the parent display: none elements
852 for ( var a = elem; a && color(a); a = a.parentNode )
855 // Go through and make them visible, but in reverse
856 // (It would be better if we knew the exact display type that they had)
857 for ( var i = 0; i < stack.length; i++ )
858 if ( color( stack[ i ] ) ) {
859 swap[ i ] = stack[ i ].style.display;
860 stack[ i ].style.display = "block";
863 // Since we flip the display style, we have to handle that
864 // one special, otherwise get the value
865 ret = name == "display" && swap[ stack.length - 1 ] != null ?
867 ( getComputedStyle && getComputedStyle.getPropertyValue( name ) ) || "";
869 // Finally, revert the display styles back
870 for ( var i = 0; i < swap.length; i++ )
871 if ( swap[ i ] != null )
872 stack[ i ].style.display = swap[ i ];
875 // We should always get a number back from opacity
876 if ( name == "opacity" && ret == "" )
879 } else if ( elem.currentStyle ) {
880 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
881 return letter.toUpperCase();
884 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
886 // From the awesome hack by Dean Edwards
887 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
889 // If we're not dealing with a regular pixel number
890 // but a number that has a weird ending, we need to convert it to pixels
891 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
892 // Remember the original values
893 var style = elem.style.left, runtimeStyle = elem.runtimeStyle.left;
895 // Put in the new values to get a computed value out
896 elem.runtimeStyle.left = elem.currentStyle.left;
897 elem.style.left = ret || 0;
898 ret = elem.style.pixelLeft + "px";
900 // Revert the changed values
901 elem.style.left = style;
902 elem.runtimeStyle.left = runtimeStyle;
909 clean: function( elems, context ) {
911 context = context || document;
913 jQuery.each(elems, function(i, elem){
917 if ( elem.constructor == Number )
918 elem = elem.toString();
920 // Convert html string into DOM nodes
921 if ( typeof elem == "string" ) {
922 // Fix "XHTML"-style tags in all browsers
923 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
924 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area)$/i) ?
926 front + "></" + tag + ">";
929 // Trim whitespace, otherwise indexOf won't work as expected
930 var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
933 // option or optgroup
934 !tags.indexOf("<opt") &&
935 [ 1, "<select multiple='multiple'>", "</select>" ] ||
937 !tags.indexOf("<leg") &&
938 [ 1, "<fieldset>", "</fieldset>" ] ||
940 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
941 [ 1, "<table>", "</table>" ] ||
943 !tags.indexOf("<tr") &&
944 [ 2, "<table><tbody>", "</tbody></table>" ] ||
946 // <thead> matched above
947 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
948 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
950 !tags.indexOf("<col") &&
951 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
953 // IE can't serialize <link> and <script> tags normally
954 jQuery.browser.msie &&
955 [ 1, "div<div>", "</div>" ] ||
959 // Go to html and back, then peel off extra wrappers
960 div.innerHTML = wrap[1] + elem + wrap[2];
962 // Move to the right depth
966 // Remove IE's autoinserted <tbody> from table fragments
967 if ( jQuery.browser.msie ) {
969 // String was a <table>, *may* have spurious <tbody>
970 var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
971 div.firstChild && div.firstChild.childNodes :
973 // String was a bare <thead> or <tfoot>
974 wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
978 for ( var i = tbody.length - 1; i >= 0 ; --i )
979 if ( jQuery.nodeName( tbody[ i ], "tbody" ) && !tbody[ i ].childNodes.length )
980 tbody[ i ].parentNode.removeChild( tbody[ i ] );
982 // IE completely kills leading whitespace when innerHTML is used
983 if ( /^\s/.test( elem ) )
984 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
988 elem = jQuery.makeArray( div.childNodes );
991 if ( elem.length === 0 && (!jQuery.nodeName( elem, "form" ) && !jQuery.nodeName( elem, "select" )) )
994 if ( elem[0] == undefined || jQuery.nodeName( elem, "form" ) || elem.options )
998 ret = jQuery.merge( ret, elem );
1005 attr: function( elem, name, value ) {
1006 var fix = jQuery.isXMLDoc( elem ) ?
1010 // Safari mis-reports the default selected property of a hidden option
1011 // Accessing the parent's selectedIndex property fixes it
1012 if ( name == "selected" && jQuery.browser.safari )
1013 elem.parentNode.selectedIndex;
1015 // Certain attributes only work when accessed via the old DOM 0 way
1016 if ( fix[ name ] ) {
1017 if ( value != undefined )
1018 elem[ fix[ name ] ] = value;
1020 return elem[ fix[ name ] ];
1022 } else if ( jQuery.browser.msie && name == "style" )
1023 return jQuery.attr( elem.style, "cssText", value );
1025 else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName( elem, "form" ) && (name == "action" || name == "method") )
1026 return elem.getAttributeNode( name ).nodeValue;
1028 // IE elem.getAttribute passes even for style
1029 else if ( elem.tagName ) {
1031 if ( value != undefined ) {
1032 // We can't allow the type property to be changed (since it causes problems in IE)
1033 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1034 throw "type property can't be changed";
1036 elem.setAttribute( name, value );
1039 if ( jQuery.browser.msie && /href|src/.test( name ) && !jQuery.isXMLDoc( elem ) )
1040 return elem.getAttribute( name, 2 );
1042 return elem.getAttribute( name );
1044 // elem is actually elem.style ... set the style
1046 // IE actually uses filters for opacity
1047 if ( name == "opacity" && jQuery.browser.msie ) {
1048 if ( value != undefined ) {
1049 // IE has trouble with opacity if it does not have layout
1050 // Force it by setting the zoom level
1053 // Set the alpha filter to set the opacity
1054 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1055 (parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1058 return elem.filter ?
1059 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
1063 name = name.replace(/-([a-z])/ig, function(all, letter){
1064 return letter.toUpperCase();
1067 if ( value != undefined )
1068 elem[ name ] = value;
1070 return elem[ name ];
1074 trim: function( text ) {
1075 return (text || "").replace( /^\s+|\s+$/g, "" );
1078 makeArray: function( array ) {
1081 // Need to use typeof to fight Safari childNodes crashes
1082 if ( typeof array != "array" )
1083 for ( var i = 0, length = array.length; i < length; i++ )
1084 ret.push( array[ i ] );
1086 ret = array.slice( 0 );
1091 inArray: function( elem, array ) {
1092 for ( var i = 0, length = array.length; i < length; i++ )
1093 if ( array[ i ] == elem )
1099 merge: function( first, second ) {
1100 // We have to loop this way because IE & Opera overwrite the length
1101 // expando of getElementsByTagName
1103 // Also, we need to make sure that the correct elements are being returned
1104 // (IE returns comment nodes in a '*' query)
1105 if ( jQuery.browser.msie ) {
1106 for ( var i = 0; second[ i ]; i++ )
1107 if ( second[ i ].nodeType != 8 )
1108 first.push( second[ i ] );
1111 for ( var i = 0; second[ i ]; i++ )
1112 first.push( second[ i ] );
1117 unique: function( array ) {
1118 var ret = [], done = {};
1122 for ( var i = 0, length = array.length; i < length; i++ ) {
1123 var id = jQuery.data( array[ i ] );
1125 if ( !done[ id ] ) {
1127 ret.push( array[ i ] );
1138 grep: function( elems, callback, inv ) {
1139 // If a string is passed in for the function, make a function
1140 // for it (a handy shortcut)
1141 if ( typeof callback == "string" )
1142 callback = eval("false||function(a,i){return " + callback + "}");
1146 // Go through the array, only saving the items
1147 // that pass the validator function
1148 for ( var i = 0, length = elems.length; i < length; i++ )
1149 if ( !inv && callback( elems[ i ], i ) || inv && !callback( elems[ i ], i ) )
1150 ret.push( elems[ i ] );
1155 map: function( elems, callback ) {
1158 // Go through the array, translating each of the items to their
1159 // new value (or values).
1160 for ( var i = 0, length = elems.length; i < length; i++ ) {
1161 var value = callback( elems[ i ], i );
1163 if ( value !== null && value != undefined ) {
1164 if ( value.constructor != Array )
1167 ret = ret.concat( value );
1175 var userAgent = navigator.userAgent.toLowerCase();
1177 // Figure out what browser is being used
1179 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
1180 safari: /webkit/.test( userAgent ),
1181 opera: /opera/.test( userAgent ),
1182 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1183 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1186 var styleFloat = jQuery.browser.msie ?
1191 // Check to see if the W3C box model is being used
1192 boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
1196 "class": "className",
1197 "float": styleFloat,
1198 cssFloat: styleFloat,
1199 styleFloat: styleFloat,
1200 innerHTML: "innerHTML",
1201 className: "className",
1203 disabled: "disabled",
1205 readonly: "readOnly",
1206 selected: "selected",
1207 maxlength: "maxLength",
1208 selectedIndex: "selectedIndex",
1209 defaultValue: "defaultValue",
1211 nodeName: "nodeName"
1216 parent: "elem.parentNode",
1217 parents: "jQuery.dir(elem,'parentNode')",
1218 next: "jQuery.nth(elem,2,'nextSibling')",
1219 prev: "jQuery.nth(elem,2,'previousSibling')",
1220 nextAll: "jQuery.dir(elem,'nextSibling')",
1221 prevAll: "jQuery.dir(elem,'previousSibling')",
1222 siblings: "jQuery.sibling(elem.parentNode.firstChild,elem)",
1223 children: "jQuery.sibling(elem.firstChild)",
1224 contents: "jQuery.nodeName(elem,'iframe')?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes)"
1225 }, function(name, fn){
1226 fn = eval("false||function(elem){return " + fn + "}");
1228 jQuery.fn[ name ] = function( selector ) {
1229 var ret = jQuery.map( this, fn );
1231 if ( selector && typeof selector == "string" )
1232 ret = jQuery.multiFilter( selector, ret );
1234 return this.pushStack( jQuery.unique( ret ) );
1240 prependTo: "prepend",
1241 insertBefore: "before",
1242 insertAfter: "after",
1243 replaceAll: "replaceWith"
1244 }, function(name, original){
1245 jQuery.fn[ name ] = function() {
1246 var args = arguments;
1248 return this.each(function(){
1249 for ( var i = 0, length = args.length; i < length; i++ )
1250 jQuery( args[ i ] )[ original ]( this );
1256 removeAttr: function( name ) {
1257 jQuery.attr( this, name, "" );
1258 this.removeAttribute( name );
1261 addClass: function( classNames ) {
1262 jQuery.className.add( this, classNames );
1265 removeClass: function( classNames ) {
1266 jQuery.className.remove( this, classNames );
1269 toggleClass: function( classNames ) {
1270 jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
1273 remove: function( selector ) {
1274 if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
1275 // Prevent memory leaks
1276 jQuery( "*", this ).add(this).each(function(){
1277 jQuery.event.remove(this);
1278 jQuery.removeData(this);
1280 if (this.parentNode)
1281 this.parentNode.removeChild( this );
1286 // Remove element nodes and prevent memory leaks
1287 jQuery( ">*", this ).remove();
1289 // Remove any remaining nodes
1290 while ( this.firstChild )
1291 this.removeChild( this.firstChild );
1293 }, function(name, fn){
1294 jQuery.fn[ name ] = function(){
1295 return this.each( fn, arguments );
1299 jQuery.each([ "Height", "Width" ], function(i, name){
1300 var type = name.toLowerCase();
1302 jQuery.fn[ type ] = function( size ) {
1303 // Get window width or height
1304 return this[0] == window ?
1305 // Opera reports document.body.client[Width/Height] properly in both quirks and standards
1306 jQuery.browser.opera && document.body[ "client" + name ] ||
1308 // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
1309 jQuery.browser.safari && window[ "inner" + name ] ||
1311 // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
1312 document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
1314 // Get document width or height
1315 this[0] == document ?
1316 // Either scroll[Width/Height] or offset[Width/Height], whichever is greater (Mozilla reports scrollWidth the same as offsetWidth)
1317 Math.max( document.body[ "scroll" + name ], document.body[ "offset" + name ] ) :
1319 // Get or set width or height on the element
1321 // Get width or height on the element
1322 (this.length ? jQuery.css( this[0], type ) : null) :
1324 // Set the width or height on the element (default to pixels if value is unitless)
1325 this.css( type, size.constructor == String ? size : size + "px" );