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
13 if ( typeof jQuery != "undefined" )
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
24 if ( typeof $ != "undefined" )
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( this.get(), jQuery( selector ) ) );
337 is: function( selector ) {
339 jQuery.multiFilter( selector, this ).length > 0 :
343 hasClass: function( selector ) {
344 return this.is( "." + selector );
347 val: function( value ) {
348 if ( value == undefined ) {
353 // We need to handle select boxes special
354 if ( jQuery.nodeName( elem, "select" ) ) {
355 var index = elem.selectedIndex,
357 options = elem.options,
358 one = elem.type == "select-one";
360 // Nothing was selected
364 // Loop through all the selected options
365 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
366 var option = options[ i ];
368 if ( option.selected ) {
369 // Get the specifc value for the option
370 value = jQuery.browser.msie && !option.attributes.value.specified ? option.text : option.value;
372 // We don't need an array for one selects
376 // Multi-Selects return an array
377 values.push( value );
383 // Everything else, we just grab the value
385 return this[0].value.replace(/\r/g, "");
390 return this.each(function(){
391 if ( value.constructor == Array && /radio|checkbox/.test( this.type ) )
392 this.checked = (jQuery.inArray(this.value, value) >= 0 ||
393 jQuery.inArray(this.name, value) >= 0);
395 else if ( jQuery.nodeName( this, "select" ) ) {
396 var values = value.constructor == Array ?
400 jQuery( "option", this ).each(function(){
401 this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
402 jQuery.inArray( this.text, values ) >= 0);
406 this.selectedIndex = -1;
413 html: function( value ) {
414 return value == undefined ?
418 this.empty().append( value );
421 replaceWith: function( value ) {
422 return this.after( value ).remove();
426 return this.slice( i, i + 1 );
430 return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
433 map: function( callback ) {
434 return this.pushStack( jQuery.map(this, function(elem, i){
435 return callback.call( elem, i, elem );
439 andSelf: function() {
440 return this.add( this.prevObject );
443 domManip: function( args, table, reverse, callback ) {
444 var clone = this.length > 1, elems;
446 return this.each(function(){
448 elems = jQuery.clean( args, this.ownerDocument );
456 if ( table && jQuery.nodeName( this, "table" ) && jQuery.nodeName( elems[0], "tr" ) )
457 obj = this.getElementsByTagName("tbody")[0] || this.appendChild( document.createElement("tbody") );
459 jQuery.each(elems, function(){
461 this.cloneNode( true ) :
464 if ( !evalScript( 0, elem ) )
465 callback.call( obj, elem );
471 function evalScript( i, elem ) {
472 var script = jQuery.nodeName( elem, "script" );
483 jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" );
485 if ( elem.parentNode )
486 elem.parentNode.removeChild( elem );
488 } else if ( elem.nodeType == 1 )
489 jQuery( "script", elem ).each( evalScript );
494 jQuery.extend = jQuery.fn.extend = function() {
495 // copy reference to target object
496 var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;
498 // Handle a deep copy situation
499 if ( target.constructor == Boolean ) {
501 target = arguments[1] || {};
504 // extend jQuery itself if only one argument is passed
510 for ( ; i < length; i++ )
511 // Only deal with non-null/undefined values
512 if ( (options = arguments[ i ]) != null )
513 // Extend the base object
514 for ( var name in options ) {
515 // Prevent never-ending loop
516 if ( target == options[ name ] )
519 // Recurse if we're merging object values
520 if ( deep && typeof options[ name ] == "object" && target[ name ] )
521 jQuery.extend( target[ name ], options[ name ] );
523 // Don't bring in undefined values
524 else if ( options[ name ] != undefined )
525 target[ name ] = options[ name ];
529 // Return the modified object
533 var expando = "jQuery" + (new Date()).getTime(), uuid = 0, windowData = {};
535 // exclude the following css properties to add px
536 var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
539 noConflict: function( deep ) {
543 window.jQuery = _jQuery;
548 // This may seem like some crazy code, but trust me when I say that this
549 // is the only cross-browser way to do this. --John
550 isFunction: function( fn ) {
551 return !!fn && typeof fn != "string" && !fn.nodeName &&
552 fn.constructor != Array && /function/i.test( fn + "" );
555 // check if an element is in a (or is an) XML document
556 isXMLDoc: function( elem ) {
557 return elem.documentElement && !elem.body ||
558 elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
561 // Evalulates a script in a global context
562 // Evaluates Async. in Safari 2 :-(
563 globalEval: function( data ) {
564 data = jQuery.trim( data );
567 if ( window.execScript )
568 window.execScript( data );
570 else if ( jQuery.browser.safari )
571 // safari doesn't provide a synchronous global eval
572 window.setTimeout( data, 0 );
575 eval.call( window, data );
579 nodeName: function( elem, name ) {
580 return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
585 data: function( elem, name, data ) {
586 elem = elem == window ?
590 var id = elem[ expando ];
592 // Compute a unique ID for the element
594 id = elem[ expando ] = ++uuid;
596 // Only generate the data cache if we're
597 // trying to access or manipulate it
598 if ( name && !jQuery.cache[ id ] )
599 jQuery.cache[ id ] = {};
601 // Prevent overriding the named cache with undefined values
602 if ( data != undefined )
603 jQuery.cache[ id ][ name ] = data;
605 // Return the named cache data, or the ID for the element
607 jQuery.cache[ id ][ name ] :
611 removeData: function( elem, name ) {
612 elem = elem == window ?
616 var id = elem[ expando ];
618 // If we want to remove a specific section of the element's data
620 if ( jQuery.cache[ id ] ) {
621 // Remove the section of cache data
622 delete jQuery.cache[ id ][ name ];
624 // If we've removed all the data, remove the element's cache
627 for ( name in jQuery.cache[ id ] )
631 jQuery.removeData( elem );
634 // Otherwise, we want to remove all of the element's data
636 // Clean up the element expando
638 delete elem[ expando ];
640 // IE has trouble directly removing the expando
641 // but it's ok with using removeAttribute
642 if ( elem.removeAttribute )
643 elem.removeAttribute( expando );
646 // Completely remove the data cache
647 delete jQuery.cache[ id ];
651 // args is for internal usage only
652 each: function( object, callback, args ) {
654 if ( object.length == undefined )
655 for ( var name in object )
656 callback.apply( object[ name ], args );
658 for ( var i = 0, length = object.length; i < length; i++ )
659 if ( callback.apply( object[ i ], args ) === false )
662 // A special, fast, case for the most common use of each
664 if ( object.length == undefined )
665 for ( var name in object )
666 callback.call( object[ name ], name, object[ name ] );
668 for ( var i = 0, length = object.length, value = object[0];
669 i < length && callback.call( value, i, value ) !== false; value = object[++i] ){}
675 prop: function( elem, value, type, i, name ) {
676 // Handle executable functions
677 if ( jQuery.isFunction( value ) )
678 value = value.call( elem, i );
680 // Handle passing in a number to a CSS property
681 return value && value.constructor == Number && type == "curCSS" && !exclude.test( name ) ?
687 // internal only, use addClass("class")
688 add: function( elem, classNames ) {
689 jQuery.each((classNames || "").split(/\s+/), function(i, className){
690 if ( !jQuery.className.has( elem.className, className ) )
691 elem.className += (elem.className ? " " : "") + className;
695 // internal only, use removeClass("class")
696 remove: function( elem, classNames ) {
697 elem.className = classNames != undefined ?
698 jQuery.grep(elem.className.split(/\s+/), function(className){
699 return !jQuery.className.has( classNames, className );
704 // internal only, use is(".class")
705 has: function( elem, className ) {
706 return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
710 // A method for quickly swapping in/out CSS properties to get correct calculations
711 swap: function( elem, options, callback ) {
712 // Remember the old values, and insert the new ones
713 for ( var name in options ) {
714 elem.style[ "old" + name ] = elem.style[ name ];
715 elem.style[ name ] = options[ name ];
718 callback.call( elem );
720 // Revert the old values
721 for ( var name in options )
722 elem.style[ name ] = elem.style[ "old" + name ];
725 css: function( elem, name ) {
726 if ( name == "height" || name == "width" ) {
727 var old = {}, height, width;
729 // Revert the padding and border widths to get the
730 // correct height/width values
731 jQuery.each([ "Top", "Bottom", "Right", "Left" ], function(){
732 old[ "padding" + this ] = 0;
733 old[ "border" + this + "Width" ] = 0;
736 // Swap out the padding/border values temporarily
737 jQuery.swap( elem, old, function() {
739 // If the element is visible, then the calculation is easy
740 if ( jQuery( elem ).is(":visible") ) {
741 height = elem.offsetHeight;
742 width = elem.offsetWidth;
744 // Otherwise, we need to flip out more values
746 elem = jQuery( elem.cloneNode(true) )
747 .find(":radio").removeAttr("checked").end()
749 visibility: "hidden",
750 position: "absolute",
754 }).appendTo( elem.parentNode )[0];
756 var position = jQuery.css( elem.parentNode, "position" ) || "static";
757 if ( position == "static" )
758 elem.parentNode.style.position = "relative";
760 height = elem.clientHeight;
761 width = elem.clientWidth;
763 if ( position == "static" )
764 elem.parentNode.style.position = "static";
766 elem.parentNode.removeChild( elem );
770 return name == "height" ?
775 return jQuery.curCSS( elem, name );
778 curCSS: function( elem, name, force ) {
781 // A helper method for determining if an element's values are broken
782 function color( elem ) {
783 if ( !jQuery.browser.safari )
786 var ret = document.defaultView.getComputedStyle( elem, null );
787 return !ret || ret.getPropertyValue("color") == "";
790 // We need to handle opacity special in IE
791 if ( name == "opacity" && jQuery.browser.msie ) {
792 ret = jQuery.attr( elem.style, "opacity" );
799 // Make sure we're using the right name for getting the float value
800 if ( name.match( /float/i ) )
803 if ( !force && elem.style[ name ] )
804 ret = elem.style[ name ];
806 else if ( document.defaultView && document.defaultView.getComputedStyle ) {
808 // Only "float" is needed here
809 if ( name.match( /float/i ) )
812 name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
814 var getComputedStyle = document.defaultView.getComputedStyle( elem, null );
816 if ( getComputedStyle && !color( elem ) )
817 ret = getComputedStyle.getPropertyValue( name );
819 // If the element isn't reporting its values properly in Safari
820 // then some display: none elements are involved
822 var swap = [], stack = [];
824 // Locate all of the parent display: none elements
825 for ( var a = elem; a && color(a); a = a.parentNode )
828 // Go through and make them visible, but in reverse
829 // (It would be better if we knew the exact display type that they had)
830 for ( var i = 0; i < stack.length; i++ )
831 if ( color( stack[ i ] ) ) {
832 swap[ i ] = stack[ i ].style.display;
833 stack[ i ].style.display = "block";
836 // Since we flip the display style, we have to handle that
837 // one special, otherwise get the value
838 ret = name == "display" && swap[ stack.length - 1 ] != null ?
840 document.defaultView.getComputedStyle( elem, null ).getPropertyValue( name ) || "";
842 // Finally, revert the display styles back
843 for ( var i = 0; i < swap.length; i++ )
844 if ( swap[ i ] != null )
845 stack[ i ].style.display = swap[ i ];
848 // We should always get a number back from opacity
849 if ( name == "opacity" && ret == "" )
852 } else if ( elem.currentStyle ) {
853 var camelCase = name.replace(/\-(\w)/g, function(all, letter){
854 return letter.toUpperCase();
857 ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
859 // From the awesome hack by Dean Edwards
860 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
862 // If we're not dealing with a regular pixel number
863 // but a number that has a weird ending, we need to convert it to pixels
864 if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
865 // Remember the original values
866 var style = elem.style.left, runtimeStyle = elem.runtimeStyle.left;
868 // Put in the new values to get a computed value out
869 elem.runtimeStyle.left = elem.currentStyle.left;
870 elem.style.left = ret || 0;
871 ret = elem.style.pixelLeft + "px";
873 // Revert the changed values
874 elem.style.left = style;
875 elem.runtimeStyle.left = runtimeStyle;
882 clean: function( elems, context ) {
884 context = context || document;
886 jQuery.each(elems, function(i, elem){
890 if ( elem.constructor == Number )
891 elem = elem.toString();
893 // Convert html string into DOM nodes
894 if ( typeof elem == "string" ) {
895 // Fix "XHTML"-style tags in all browsers
896 elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
897 return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area)$/i) ?
899 front + "></" + tag + ">";
902 // Trim whitespace, otherwise indexOf won't work as expected
903 var tags = jQuery.trim( elem ).toLowerCase(), div = context.createElement("div");
906 // option or optgroup
907 !tags.indexOf("<opt") &&
908 [ 1, "<select>", "</select>" ] ||
910 !tags.indexOf("<leg") &&
911 [ 1, "<fieldset>", "</fieldset>" ] ||
913 tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
914 [ 1, "<table>", "</table>" ] ||
916 !tags.indexOf("<tr") &&
917 [ 2, "<table><tbody>", "</tbody></table>" ] ||
919 // <thead> matched above
920 (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
921 [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
923 !tags.indexOf("<col") &&
924 [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
926 // IE can't serialize <link> and <script> tags normally
927 jQuery.browser.msie &&
928 [ 1, "div<div>", "</div>" ] ||
932 // Go to html and back, then peel off extra wrappers
933 div.innerHTML = wrap[1] + elem + wrap[2];
935 // Move to the right depth
939 // Remove IE's autoinserted <tbody> from table fragments
940 if ( jQuery.browser.msie ) {
942 // String was a <table>, *may* have spurious <tbody>
943 var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
944 div.firstChild && div.firstChild.childNodes :
946 // String was a bare <thead> or <tfoot>
947 wrap[1] == "<table>" && s.indexOf("<tbody") < 0 ?
951 for ( var i = tbody.length - 1; i >= 0 ; --i )
952 if ( jQuery.nodeName( tbody[ i ], "tbody" ) && !tbody[ i ].childNodes.length )
953 tbody[ i ].parentNode.removeChild( tbody[ i ] );
955 // IE completely kills leading whitespace when innerHTML is used
956 if ( /^\s/.test( elem ) )
957 div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
961 elem = jQuery.makeArray( div.childNodes );
964 if ( elem.length === 0 && (!jQuery.nodeName( elem, "form" ) && !jQuery.nodeName( elem, "select" )) )
967 if ( elem[0] == undefined || jQuery.nodeName( elem, "form" ) || elem.options )
971 ret = jQuery.merge( ret, elem );
978 attr: function( elem, name, value ) {
979 var fix = jQuery.isXMLDoc( elem ) ?
983 // Safari mis-reports the default selected property of a hidden option
984 // Accessing the parent's selectedIndex property fixes it
985 if ( name == "selected" && jQuery.browser.safari )
986 elem.parentNode.selectedIndex;
988 // Certain attributes only work when accessed via the old DOM 0 way
990 if ( value != undefined )
991 elem[ fix[ name ] ] = value;
993 return elem[ fix[ name ] ];
995 } else if ( jQuery.browser.msie && name == "style" )
996 return jQuery.attr( elem.style, "cssText", value );
998 else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName( elem, "form" ) && (name == "action" || name == "method") )
999 return elem.getAttributeNode( name ).nodeValue;
1001 // IE elem.getAttribute passes even for style
1002 else if ( elem.tagName ) {
1004 if ( value != undefined ) {
1005 // We can't allow the type property to be changed (since it causes problems in IE)
1006 if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
1007 throw "type property can't be changed";
1009 elem.setAttribute( name, value );
1012 if ( jQuery.browser.msie && /href|src/.test( name ) && !jQuery.isXMLDoc( elem ) )
1013 return elem.getAttribute( name, 2 );
1015 return elem.getAttribute( name );
1017 // elem is actually elem.style ... set the style
1019 // IE actually uses filters for opacity
1020 if ( name == "opacity" && jQuery.browser.msie ) {
1021 if ( value != undefined ) {
1022 // IE has trouble with opacity if it does not have layout
1023 // Force it by setting the zoom level
1026 // Set the alpha filter to set the opacity
1027 elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
1028 (parseFloat( value ).toString() == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
1031 return elem.filter ?
1032 (parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100).toString() :
1036 name = name.replace(/-([a-z])/ig, function(all, letter){
1037 return letter.toUpperCase();
1040 if ( value != undefined )
1041 elem[ name ] = value;
1043 return elem[ name ];
1047 trim: function( text ) {
1048 return (text || "").replace( /^\s+|\s+$/g, "" );
1051 makeArray: function( array ) {
1054 // Need to use typeof to fight Safari childNodes crashes
1055 if ( typeof array != "array" )
1056 for ( var i = 0, length = array.length; i < length; i++ )
1057 ret.push( array[ i ] );
1059 ret = array.slice( 0 );
1064 inArray: function( elem, array ) {
1065 for ( var i = 0, length = array.length; i < length; i++ )
1066 if ( array[ i ] == elem )
1072 merge: function( first, second ) {
1073 // We have to loop this way because IE & Opera overwrite the length
1074 // expando of getElementsByTagName
1076 // Also, we need to make sure that the correct elements are being returned
1077 // (IE returns comment nodes in a '*' query)
1078 if ( jQuery.browser.msie ) {
1079 for ( var i = 0; second[ i ]; i++ )
1080 if ( second[ i ].nodeType != 8 )
1081 first.push( second[ i ] );
1084 for ( var i = 0; second[ i ]; i++ )
1085 first.push( second[ i ] );
1090 unique: function( array ) {
1091 var ret = [], done = {};
1095 for ( var i = 0, length = array.length; i < length; i++ ) {
1096 var id = jQuery.data( array[ i ] );
1098 if ( !done[ id ] ) {
1100 ret.push( array[ i ] );
1111 grep: function( elems, callback, inv ) {
1112 // If a string is passed in for the function, make a function
1113 // for it (a handy shortcut)
1114 if ( typeof callback == "string" )
1115 callback = eval("false||function(a,i){return " + callback + "}");
1119 // Go through the array, only saving the items
1120 // that pass the validator function
1121 for ( var i = 0, length = elems.length; i < length; i++ )
1122 if ( !inv && callback( elems[ i ], i ) || inv && !callback( elems[ i ], i ) )
1123 ret.push( elems[ i ] );
1128 map: function( elems, callback ) {
1131 // Go through the array, translating each of the items to their
1132 // new value (or values).
1133 for ( var i = 0, length = elems.length; i < length; i++ ) {
1134 var value = callback( elems[ i ], i );
1136 if ( value !== null && value != undefined ) {
1137 if ( value.constructor != Array )
1140 ret = ret.concat( value );
1148 var userAgent = navigator.userAgent.toLowerCase();
1150 // Figure out what browser is being used
1152 version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [])[1],
1153 safari: /webkit/.test( userAgent ),
1154 opera: /opera/.test( userAgent ),
1155 msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
1156 mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
1159 var styleFloat = jQuery.browser.msie ?
1164 // Check to see if the W3C box model is being used
1165 boxModel: !jQuery.browser.msie || document.compatMode == "CSS1Compat",
1169 "class": "className",
1170 "float": styleFloat,
1171 cssFloat: styleFloat,
1172 styleFloat: styleFloat,
1173 innerHTML: "innerHTML",
1174 className: "className",
1176 disabled: "disabled",
1178 readonly: "readOnly",
1179 selected: "selected",
1180 maxlength: "maxLength",
1181 selectedIndex: "selectedIndex"
1186 parent: "elem.parentNode",
1187 parents: "jQuery.dir(elem,'parentNode')",
1188 next: "jQuery.nth(elem,2,'nextSibling')",
1189 prev: "jQuery.nth(elem,2,'previousSibling')",
1190 nextAll: "jQuery.dir(elem,'nextSibling')",
1191 prevAll: "jQuery.dir(elem,'previousSibling')",
1192 siblings: "jQuery.sibling(elem.parentNode.firstChild,elem)",
1193 children: "jQuery.sibling(elem.firstChild)",
1194 contents: "jQuery.nodeName(elem,'iframe')?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes)"
1195 }, function(name, fn){
1196 fn = eval("false||function(elem){return " + fn + "}");
1198 jQuery.fn[ name ] = function( selector ) {
1199 var ret = jQuery.map( this, fn );
1201 if ( selector && typeof selector == "string" )
1202 ret = jQuery.multiFilter( selector, ret );
1204 return this.pushStack( jQuery.unique( ret ) );
1210 prependTo: "prepend",
1211 insertBefore: "before",
1212 insertAfter: "after",
1213 replaceAll: "replaceWith"
1214 }, function(name, original){
1215 jQuery.fn[ name ] = function() {
1216 var args = arguments;
1218 return this.each(function(){
1219 for ( var i = 0, length = args.length; i < length; i++ )
1220 jQuery( args[ i ] )[ original ]( this );
1226 removeAttr: function( name ) {
1227 jQuery.attr( this, name, "" );
1228 this.removeAttribute( name );
1231 addClass: function( classNames ) {
1232 jQuery.className.add( this, classNames );
1235 removeClass: function( classNames ) {
1236 jQuery.className.remove( this, classNames );
1239 toggleClass: function( classNames ) {
1240 jQuery.className[ jQuery.className.has( this, classNames ) ? "remove" : "add" ]( this, classNames );
1243 remove: function( selector ) {
1244 if ( !selector || jQuery.filter( selector, [ this ] ).r.length ) {
1245 jQuery.removeData( this );
1246 this.parentNode.removeChild( this );
1251 // Clean up the cache
1252 jQuery( "*", this ).each(function(){
1253 jQuery.removeData(this);
1256 while ( this.firstChild )
1257 this.removeChild( this.firstChild );
1259 }, function(name, fn){
1260 jQuery.fn[ name ] = function(){
1261 return this.each( fn, arguments );
1265 jQuery.each([ "Height", "Width" ], function(i, name){
1266 var type = name.toLowerCase();
1268 jQuery.fn[ type ] = function( size ) {
1269 // Get window width or height
1270 return this[0] == window ?
1271 // Opera reports document.body.client[Width/Height] properly in both quirks and standards
1272 jQuery.browser.opera && document.body[ "client" + name ] ||
1274 // Safari reports inner[Width/Height] just fine (Mozilla and Opera include scroll bar widths)
1275 jQuery.browser.safari && self[ "inner" + name ] ||
1277 // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode
1278 document.compatMode == "CSS1Compat" && document.documentElement[ "client" + name ] || document.body[ "client" + name ] :
1280 // Get document width or height
1281 this[0] == document ?
1282 // Either scroll[Width/Height] or offset[Width/Height], whichever is greater (Mozilla reports scrollWidth the same as offsetWidth)
1283 Math.max( document.body[ "scroll" + name ], document.body[ "offset" + name ] ) :
1285 // Get or set width or height on the element
1287 // Get width or height on the element
1288 (this.length ? jQuery.css( this[0], type ) : null) :
1290 // Set the width or height on the element (default to pixels if value is unitless)
1291 this.css( type, size.constructor == String ? size : size + "px" );