X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fcore.js;h=9c35261524fd8a718d05fb66324b78ae97e5240c;hb=7c04a64016c1f295dfdf4e731f693f8400a987bc;hp=9222e0a12acc5e6fae488aafe401d054b81cb72f;hpb=ebd9205fdb7f14b98301c4c183e9d6a51420ad0e;p=jquery.git

diff --git a/src/core.js b/src/core.js
index 9222e0a..9c35261 100644
--- a/src/core.js
+++ b/src/core.js
@@ -10,7 +10,9 @@ var
 
 	jQuery = window.jQuery = window.$ = function( selector, context ) {
 		// The jQuery object is actually just the init constructor 'enhanced'
-		return new jQuery.fn.init( selector, context );
+		return selector === undefined ?
+			rootjQuery :
+			new jQuery.fn.init( selector, context );
 	},
 
 	// A simple way to check for HTML strings or ID strings
@@ -21,8 +23,11 @@ var
 
 jQuery.fn = jQuery.prototype = {
 	init: function( selector, context ) {
-		// Make sure that a selection was provided
-		selector = selector || document;
+		// Handle $("") or $(null)
+		if ( !selector ) {
+			this.length = 0;
+			return this;
+		}
 
 		// Handle $(DOMElement)
 		if ( selector.nodeType ) {
@@ -31,6 +36,7 @@ jQuery.fn = jQuery.prototype = {
 			this.context = selector;
 			return this;
 		}
+
 		// Handle HTML strings
 		if ( typeof selector === "string" ) {
 			// Are we dealing with HTML string or an ID?
@@ -40,40 +46,51 @@ jQuery.fn = jQuery.prototype = {
 			if ( match && (match[1] || !context) ) {
 
 				// HANDLE: $(html) -> $(array)
-				if ( match[1] )
+				if ( match[1] ) {
 					selector = jQuery.clean( [ match[1] ], context );
 
 				// HANDLE: $("#id")
-				else {
+				} else {
 					var elem = document.getElementById( match[3] );
 
-					// Make sure an element was located
-					if ( elem ){
-						// Handle the case where IE and Opera return items
-						// by name instead of ID
-						if ( elem.id != match[3] )
-							return jQuery().find( selector );
-
-						// Otherwise, we inject the element directly into the jQuery object
-						var ret = jQuery( elem );
-						ret.context = document;
-						ret.selector = selector;
-						return ret;
+					// Handle the case where IE and Opera return items
+					// by name instead of ID
+					if ( elem && elem.id != match[3] ) {
+						return rootjQuery.find( selector );
 					}
-					selector = [];
+
+					// Otherwise, we inject the element directly into the jQuery object
+					var ret = jQuery( elem || null );
+					ret.context = document;
+					ret.selector = selector;
+					return ret;
 				}
 
-			// HANDLE: $(expr, [context])
-			// (which is just equivalent to: $(content).find(expr)
-			} else
+			// HANDLE: $(expr, $(...))
+			} else if ( !context || context.jquery ) {
+				return (context || rootjQuery).find( selector );
+
+			// HANDLE: $(expr, context)
+			// (which is just equivalent to: $(context).find(expr)
+			} else {
 				return jQuery( context ).find( selector );
+			}
 
 		// HANDLE: $(function)
 		// Shortcut for document ready
-		} else if ( jQuery.isFunction( selector ) )
-			return jQuery( document ).ready( selector );
+		} else if ( jQuery.isFunction( selector ) ) {
+			return rootjQuery.ready( selector );
+		}
 
-		return this.setArray(jQuery.makeArray(selector));
+		// Make sure that old selector state is passed along
+		if ( selector.selector && selector.context ) {
+			this.selector = selector.selector;
+			this.context = selector.context;
+		}
+
+		return this.setArray(jQuery.isArray( selector ) ?
+			selector :
+			jQuery.makeArray(selector));
 	},
 
 	// Start with an empty selector
@@ -93,7 +110,7 @@ jQuery.fn = jQuery.prototype = {
 		return num === undefined ?
 
 			// Return a 'clean' array
-			jQuery.makeArray( this ) :
+			Array.prototype.slice.call( this ) :
 
 			// Return just the object
 			this[ num ];
@@ -103,7 +120,7 @@ jQuery.fn = jQuery.prototype = {
 	// (returning the new matched element set)
 	pushStack: function( elems, name, selector ) {
 		// Build a new jQuery matched element set
-		var ret = jQuery( elems );
+		var ret = jQuery( elems || null );
 
 		// Add the old object onto the stack (as a reference)
 		ret.prevObject = this;
@@ -148,355 +165,15 @@ jQuery.fn = jQuery.prototype = {
 		, this );
 	},
 
-	attr: function( name, value, type ) {
-		var options = name;
-
-		// Look for the case where we're accessing a style value
-		if ( typeof name === "string" )
-			if ( value === undefined )
-				return this[0] && jQuery[ type || "attr" ]( this[0], name );
-
-			else {
-				options = {};
-				options[ name ] = value;
-			}
-
-		// Check to see if we're setting style values
-		return this.each(function(i){
-			// Set all the styles
-			for ( name in options )
-				jQuery.attr(
-					type ?
-						this.style :
-						this,
-					name, jQuery.prop( this, options[ name ], type, i, name )
-				);
-		});
-	},
-
-	css: function( key, value ) {
-		// ignore negative width and height values
-		if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
-			value = undefined;
-		return this.attr( key, value, "curCSS" );
-	},
-
-	text: function( text ) {
-		if ( typeof text !== "object" && text != null )
-			return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
-
-		var ret = "";
-
-		jQuery.each( text || this, function(){
-			jQuery.each( this.childNodes, function(){
-				if ( this.nodeType != 8 )
-					ret += this.nodeType != 1 ?
-						this.nodeValue :
-						jQuery.fn.text( [ this ] );
-			});
-		});
-
-		return ret;
-	},
-
-	wrapAll: function( html ) {
-		if ( this[0] )
-			// The elements to wrap the target around
-			jQuery( html, this[0].ownerDocument )
-				.clone()
-				.insertBefore( this[0] )
-				.map(function(){
-					var elem = this;
-
-					while ( elem.firstChild )
-						elem = elem.firstChild;
-
-					return elem;
-				})
-				.append(this);
-
-		return this;
-	},
-
-	wrapInner: function( html ) {
-		return this.each(function(){
-			jQuery( this ).contents().wrapAll( html );
-		});
-	},
-
-	wrap: function( html ) {
-		return this.each(function(){
-			jQuery( this ).wrapAll( html );
-		});
-	},
-
-	append: function() {
-		return this.domManip(arguments, true, function(elem){
-			if (this.nodeType == 1)
-				this.appendChild( elem );
-		});
-	},
-
-	prepend: function() {
-		return this.domManip(arguments, true, function(elem){
-			if (this.nodeType == 1)
-				this.insertBefore( elem, this.firstChild );
-		});
-	},
-
-	before: function() {
-		return this.domManip(arguments, false, function(elem){
-			this.parentNode.insertBefore( elem, this );
-		});
-	},
-
-	after: function() {
-		return this.domManip(arguments, false, function(elem){
-			this.parentNode.insertBefore( elem, this.nextSibling );
-		});
-	},
-
-	end: function() {
-		return this.prevObject || jQuery( [] );
-	},
-
-	find: function( selector ) {
-		var elems = jQuery.map(this, function(elem){
-			return jQuery.find( selector, elem );
-		});
-
-		return this.pushStack( /[^+>] [^+>]/.test( selector ) ?
-			jQuery.unique( elems ) :
-			elems, "find", selector );
-	},
-
-	clone: function( events ) {
-		// Do the clone
-		var ret = this.map(function(){
-			if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) {
-				// IE copies events bound via attachEvent when
-				// using cloneNode. Calling detachEvent on the
-				// clone will also remove the events from the orignal
-				// In order to get around this, we use innerHTML.
-				// Unfortunately, this means some modifications to
-				// attributes in IE that are actually only stored
-				// as properties will not be copied (such as the
-				// the name attribute on an input).
-				var clone = this.cloneNode(true),
-					container = document.createElement("div");
-				container.appendChild(clone);
-				return jQuery.clean([container.innerHTML])[0];
-			} else
-				return this.cloneNode(true);
-		});
-
-		// Need to set the expando to null on the cloned set if it exists
-		// removeData doesn't work here, IE removes it from the original as well
-		// this is primarily for IE but the data expando shouldn't be copied over in any browser
-		var clone = ret.find("*").andSelf().each(function(){
-			if ( this[ expando ] !== undefined )
-				this[ expando ] = null;
-		});
-
-		// Copy the events from the original to the clone
-		if ( events === true )
-			this.find("*").andSelf().each(function(i){
-				if (this.nodeType == 3)
-					return;
-				var events = jQuery.data( this, "events" );
-
-				for ( var type in events )
-					for ( var handler in events[ type ] )
-						jQuery.event.add( clone[ i ], type, events[ type ][ handler ], events[ type ][ handler ].data );
-			});
-
-		// Return the cloned set
-		return ret;
-	},
-
-	filter: function( selector ) {
-		return this.pushStack(
-			jQuery.isFunction( selector ) &&
-			jQuery.grep(this, function(elem, i){
-				return selector.call( elem, i );
-			}) ||
-
-			jQuery.multiFilter( selector, jQuery.grep(this, function(elem){
-				return elem.nodeType === 1;
-			}) ), "filter", selector );
-	},
-
-	closest: function( selector ) {
-		return this.map(function(){
-			var cur = this;
-			while ( cur && cur.ownerDocument ) {
-				if ( jQuery(cur).is(selector) )
-					return cur;
-				cur = cur.parentNode;
-			}
-		});
-	},
-
-	not: function( selector ) {
-		if ( typeof selector === "string" )
-			// test special case where just one selector is passed in
-			if ( isSimple.test( selector ) )
-				return this.pushStack( jQuery.multiFilter( selector, this, true ), "not", selector );
-			else
-				selector = jQuery.multiFilter( selector, this );
-
-		var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType;
-		return this.filter(function() {
-			return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector;
-		});
-	},
-
-	add: function( selector ) {
-		return this.pushStack( jQuery.unique( jQuery.merge(
-			this.get(),
-			typeof selector === "string" ?
-				jQuery( selector ) :
-				jQuery.makeArray( selector )
-		)));
-	},
-
 	is: function( selector ) {
 		return !!selector && jQuery.multiFilter( selector, this ).length > 0;
 	},
 
-	hasClass: function( selector ) {
-		return !!selector && this.is( "." + selector );
-	},
-
-	val: function( value ) {
-		if ( value === undefined ) {			
-			var elem = this[0];
-
-			if ( elem ) {
-				if( jQuery.nodeName( elem, 'option' ) )
-					return (elem.attributes.value || {}).specified ? elem.value : elem.text;
-				
-				// We need to handle select boxes special
-				if ( jQuery.nodeName( elem, "select" ) ) {
-					var index = elem.selectedIndex,
-						values = [],
-						options = elem.options,
-						one = elem.type == "select-one";
-
-					// Nothing was selected
-					if ( index < 0 )
-						return null;
-
-					// Loop through all the selected options
-					for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
-						var option = options[ i ];
-
-						if ( option.selected ) {
-							// Get the specifc value for the option
-							value = jQuery(option).val();
-
-							// We don't need an array for one selects
-							if ( one )
-								return value;
-
-							// Multi-Selects return an array
-							values.push( value );
-						}
-					}
-
-					return values;				
-				}
-
-				// Everything else, we just grab the value
-				return (elem.value || "").replace(/\r/g, "");
-
-			}
-
-			return undefined;
-		}
-
-		if ( typeof value === "number" )
-			value += '';
-
-		return this.each(function(){
-			if ( this.nodeType != 1 )
-				return;
-
-			if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) )
-				this.checked = (jQuery.inArray(this.value, value) >= 0 ||
-					jQuery.inArray(this.name, value) >= 0);
-
-			else if ( jQuery.nodeName( this, "select" ) ) {
-				var values = jQuery.makeArray(value);
-
-				jQuery( "option", this ).each(function(){
-					this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
-						jQuery.inArray( this.text, values ) >= 0);
-				});
-
-				if ( !values.length )
-					this.selectedIndex = -1;
-
-			} else
-				this.value = value;
-		});
-	},
-
-	html: function( value ) {
-		return value === undefined ?
-			(this[0] ?
-				this[0].innerHTML :
-				null) :
-			this.empty().append( value );
-	},
-
-	replaceWith: function( value ) {
-		return this.after( value ).remove();
-	},
-
-	eq: function( i ) {
-		return this.slice( i, +i + 1 );
-	},
-
-	slice: function() {
-		return this.pushStack( Array.prototype.slice.apply( this, arguments ),
-			"slice", Array.prototype.slice.call(arguments).join(",") );
-	},
-
-	map: function( callback ) {
-		return this.pushStack( jQuery.map(this, function(elem, i){
-			return callback.call( elem, i, elem );
-		}));
-	},
-
-	andSelf: function() {
-		return this.add( this.prevObject );
-	},
-
-	domManip: function( args, table, callback ) {
-		if ( this[0] ) {
-			var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(),
-				scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ),
-				first = fragment.firstChild,
-				extra = this.length > 1 ? fragment.cloneNode(true) : fragment;
-
-			if ( first )
-				for ( var i = 0, l = this.length; i < l; i++ )
-					callback.call( root(this[i], first), i > 0 ? extra.cloneNode(true) : fragment );
-			
-			if ( scripts )
-				jQuery.each( scripts, evalScript );
-		}
-
-		return this;
-		
-		function root( elem, cur ) {
-			return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ?
-				(elem.getElementsByTagName("tbody")[0] ||
-				elem.appendChild(elem.ownerDocument.createElement("tbody"))) :
-				elem;
-		}
-	}
+	// For internal use only.
+	// Behaves like an Array's method, not like a jQuery method.
+	push: [].push,
+	sort: [].sort,
+	splice: [].splice
 };
 
 // Give the init function the jQuery prototype for later instantiation
@@ -571,11 +248,7 @@ jQuery.extend = jQuery.fn.extend = function() {
 	return target;
 };
 
-// exclude the following css properties to add px
-var	exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i,
-	// cache defaultView
-	defaultView = document.defaultView || {},
-	toString = Object.prototype.toString;
+var toString = Object.prototype.toString;
 
 jQuery.extend({
 	noConflict: function( deep ) {
@@ -600,15 +273,13 @@ jQuery.extend({
 
 	// check if an element is in a (or is an) XML document
 	isXMLDoc: function( elem ) {
-		return elem.documentElement && !elem.body ||
-			elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
+		return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" ||
+			!!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML";
 	},
 
 	// Evalulates a script in a global context
 	globalEval: function( data ) {
-		data = jQuery.trim( data );
-
-		if ( data ) {
+		if ( data && /\S/.test(data) ) {
 			// Inspired by code by Andrea Giammarchi
 			// http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html
 			var head = document.getElementsByTagName("head")[0] || document.documentElement,
@@ -659,372 +330,6 @@ jQuery.extend({
 		return object;
 	},
 
-	prop: function( elem, value, type, i, name ) {
-		// Handle executable functions
-		if ( jQuery.isFunction( value ) )
-			value = value.call( elem, i );
-
-		// Handle passing in a number to a CSS property
-		return typeof value === "number" && type == "curCSS" && !exclude.test( name ) ?
-			value + "px" :
-			value;
-	},
-
-	className: {
-		// internal only, use addClass("class")
-		add: function( elem, classNames ) {
-			jQuery.each((classNames || "").split(/\s+/), function(i, className){
-				if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
-					elem.className += (elem.className ? " " : "") + className;
-			});
-		},
-
-		// internal only, use removeClass("class")
-		remove: function( elem, classNames ) {
-			if (elem.nodeType == 1)
-				elem.className = classNames !== undefined ?
-					jQuery.grep(elem.className.split(/\s+/), function(className){
-						return !jQuery.className.has( classNames, className );
-					}).join(" ") :
-					"";
-		},
-
-		// internal only, use hasClass("class")
-		has: function( elem, className ) {
-			return jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
-		}
-	},
-
-	// A method for quickly swapping in/out CSS properties to get correct calculations
-	swap: function( elem, options, callback ) {
-		var old = {};
-		// Remember the old values, and insert the new ones
-		for ( var name in options ) {
-			old[ name ] = elem.style[ name ];
-			elem.style[ name ] = options[ name ];
-		}
-
-		callback.call( elem );
-
-		// Revert the old values
-		for ( var name in options )
-			elem.style[ name ] = old[ name ];
-	},
-
-	css: function( elem, name, force ) {
-		if ( name == "width" || name == "height" ) {
-			var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
-
-			function getWH() {
-				val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
-				var padding = 0, border = 0;
-				jQuery.each( which, function() {
-					padding += parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
-					border += parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
-				});
-				val -= Math.round(padding + border);
-			}
-
-			if ( jQuery(elem).is(":visible") )
-				getWH();
-			else
-				jQuery.swap( elem, props, getWH );
-
-			return Math.max(0, val);
-		}
-
-		return jQuery.curCSS( elem, name, force );
-	},
-
-	curCSS: function( elem, name, force ) {
-		var ret, style = elem.style;
-
-		// We need to handle opacity special in IE
-		if ( name == "opacity" && !jQuery.support.opacity ) {
-			ret = jQuery.attr( style, "opacity" );
-
-			return ret == "" ?
-				"1" :
-				ret;
-		}
-
-		// Make sure we're using the right name for getting the float value
-		if ( name.match( /float/i ) )
-			name = styleFloat;
-
-		if ( !force && style && style[ name ] )
-			ret = style[ name ];
-
-		else if ( defaultView.getComputedStyle ) {
-
-			// Only "float" is needed here
-			if ( name.match( /float/i ) )
-				name = "float";
-
-			name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
-
-			var computedStyle = defaultView.getComputedStyle( elem, null );
-
-			if ( computedStyle )
-				ret = computedStyle.getPropertyValue( name );
-
-			// We should always get a number back from opacity
-			if ( name == "opacity" && ret == "" )
-				ret = "1";
-
-		} else if ( elem.currentStyle ) {
-			var camelCase = name.replace(/\-(\w)/g, function(all, letter){
-				return letter.toUpperCase();
-			});
-
-			ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
-
-			// From the awesome hack by Dean Edwards
-			// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
-
-			// If we're not dealing with a regular pixel number
-			// but a number that has a weird ending, we need to convert it to pixels
-			if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
-				// Remember the original values
-				var left = style.left, rsLeft = elem.runtimeStyle.left;
-
-				// Put in the new values to get a computed value out
-				elem.runtimeStyle.left = elem.currentStyle.left;
-				style.left = ret || 0;
-				ret = style.pixelLeft + "px";
-
-				// Revert the changed values
-				style.left = left;
-				elem.runtimeStyle.left = rsLeft;
-			}
-		}
-
-		return ret;
-	},
-
-	clean: function( elems, context, fragment ) {
-		context = context || document;
-
-		// !context.createElement fails in IE with an error but returns typeof 'object'
-		if ( typeof context.createElement === "undefined" )
-			context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
-
-		// If a single string is passed in and it's a single tag
-		// just do a createElement and skip the rest
-		if ( !fragment && elems.length === 1 && typeof elems[0] === "string" ) {
-			var match = /^<(\w+)\s*\/?>$/.exec(elems[0]);
-			if ( match )
-				return [ context.createElement( match[1] ) ];
-		}
-
-		var ret = [], scripts = [], div = context.createElement("div");
-
-		jQuery.each(elems, function(i, elem){
-			if ( typeof elem === "number" )
-				elem += '';
-
-			if ( !elem )
-				return;
-
-			// Convert html string into DOM nodes
-			if ( typeof elem === "string" ) {
-				// Fix "XHTML"-style tags in all browsers
-				elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){
-					return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ?
-						all :
-						front + "></" + tag + ">";
-				});
-
-				// Trim whitespace, otherwise indexOf won't work as expected
-				var tags = jQuery.trim( elem ).toLowerCase();
-
-				var wrap =
-					// option or optgroup
-					!tags.indexOf("<opt") &&
-					[ 1, "<select multiple='multiple'>", "</select>" ] ||
-
-					!tags.indexOf("<leg") &&
-					[ 1, "<fieldset>", "</fieldset>" ] ||
-
-					tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
-					[ 1, "<table>", "</table>" ] ||
-
-					!tags.indexOf("<tr") &&
-					[ 2, "<table><tbody>", "</tbody></table>" ] ||
-
-				 	// <thead> matched above
-					(!tags.indexOf("<td") || !tags.indexOf("<th")) &&
-					[ 3, "<table><tbody><tr>", "</tr></tbody></table>" ] ||
-
-					!tags.indexOf("<col") &&
-					[ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ] ||
-
-					// IE can't serialize <link> and <script> tags normally
-					!jQuery.support.htmlSerialize &&
-					[ 1, "div<div>", "</div>" ] ||
-
-					[ 0, "", "" ];
-
-				// Go to html and back, then peel off extra wrappers
-				div.innerHTML = wrap[1] + elem + wrap[2];
-
-				// Move to the right depth
-				while ( wrap[0]-- )
-					div = div.lastChild;
-
-				// Remove IE's autoinserted <tbody> from table fragments
-				if ( !jQuery.support.tbody ) {
-
-					// String was a <table>, *may* have spurious <tbody>
-					var tbody = !tags.indexOf("<table") && tags.indexOf("<tbody") < 0 ?
-						div.firstChild && div.firstChild.childNodes :
-
-						// String was a bare <thead> or <tfoot>
-						wrap[1] == "<table>" && tags.indexOf("<tbody") < 0 ?
-							div.childNodes :
-							[];
-
-					for ( var j = tbody.length - 1; j >= 0 ; --j )
-						if ( jQuery.nodeName( tbody[ j ], "tbody" ) && !tbody[ j ].childNodes.length )
-							tbody[ j ].parentNode.removeChild( tbody[ j ] );
-
-					}
-
-				// IE completely kills leading whitespace when innerHTML is used
-				if ( !jQuery.support.leadingWhitespace && /^\s/.test( elem ) )
-					div.insertBefore( context.createTextNode( elem.match(/^\s*/)[0] ), div.firstChild );
-				
-				if ( fragment ) {
-					var found = div.getElementsByTagName("script");
-			
-					while ( found.length ) {
-						scripts.push( found[0] );
-						found[0].parentNode.removeChild( found[0] );
-					}
-				}
-
-				elem = jQuery.makeArray( div.childNodes );
-			}
-
-			if ( elem.nodeType )
-				ret.push( elem );
-			else
-				ret = jQuery.merge( ret, elem );
-
-		});
-
-		if ( fragment ) {
-			for ( var i = 0; ret[i]; i++ ) {
-				var node = ret[i];
-				if ( jQuery.nodeName( node, "script" ) ) {
-					if( node.parentNode )
-						node.parentNode.removeChild( node );
-				} else {
-					if ( node.nodeType === 1 )
-						ret = jQuery.merge( ret, node.getElementsByTagName("script"));
-					fragment.appendChild( node );
-				}
-			}
-			
-			return scripts;
-		}
-
-		return ret;
-	},
-
-	attr: function( elem, name, value ) {
-		// don't set attributes on text and comment nodes
-		if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
-			return undefined;
-
-		var notxml = !jQuery.isXMLDoc( elem ),
-			// Whether we are setting (or getting)
-			set = value !== undefined;
-
-		// Try to normalize/fix the name
-		name = notxml && jQuery.props[ name ] || name;
-
-		// Only do all the following if this is a node (faster for style)
-		// IE elem.getAttribute passes even for style
-		if ( elem.tagName ) {
-
-			// These attributes require special treatment
-			var special = /href|src|style/.test( name );
-
-			// Safari mis-reports the default selected property of a hidden option
-			// Accessing the parent's selectedIndex property fixes it
-			if ( name == "selected" )
-				elem.parentNode.selectedIndex;
-
-			// If applicable, access the attribute via the DOM 0 way
-			if ( name in elem && notxml && !special ) {
-				if ( set ){
-					// We can't allow the type property to be changed (since it causes problems in IE)
-					if ( name == "type" && jQuery.nodeName( elem, "input" ) && elem.parentNode )
-						throw "type property can't be changed";
-
-					elem[ name ] = value;
-				}
-
-				// browsers index elements by id/name on forms, give priority to attributes.
-				if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) )
-					return elem.getAttributeNode( name ).nodeValue;
-
-				// elem.tabindex doesn't always return the correct value
-				// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
-				if ( name == jQuery.props.tabindex ) {
-					var attributeNode = elem.getAttributeNode(jQuery.props.tabindex);
-					return attributeNode && attributeNode.specified && attributeNode.value || undefined;
-				}
-
-				return elem[ name ];
-			}
-
-			if ( !jQuery.support.style && notxml &&  name == "style" )
-				return jQuery.attr( elem.style, "cssText", value );
-
-			if ( set )
-				// convert the value to a string (all browsers do this but IE) see #1070
-				elem.setAttribute( name, "" + value );
-
-			var attr = !jQuery.support.hrefNormalized && notxml && special
-					// Some attributes require a special call on IE
-					? elem.getAttribute( name, 2 )
-					: elem.getAttribute( name );
-
-			// Non-existent attributes return null, we normalize to undefined
-			return attr === null ? undefined : attr;
-		}
-
-		// elem is actually elem.style ... set the style
-
-		// IE uses filters for opacity
-		if ( !jQuery.support.opacity && name == "opacity" ) {
-			if ( set ) {
-				// IE has trouble with opacity if it does not have layout
-				// Force it by setting the zoom level
-				elem.zoom = 1;
-
-				// Set the alpha filter to set the opacity
-				elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
-					(parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
-			}
-
-			return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
-				(parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
-				"";
-		}
-
-		name = name.replace(/-([a-z])/ig, function(all, letter){
-			return letter.toUpperCase();
-		});
-
-		if ( set )
-			elem[ name ] = value;
-
-		return elem[ name ];
-	},
-
 	trim: function( text ) {
 		return (text || "").replace( /^\s+|\s+$/g, "" );
 	},
@@ -1121,6 +426,9 @@ jQuery.extend({
 	}
 });
 
+// All jQuery objects should point back to these
+var rootjQuery = jQuery(document);
+
 // Use of jQuery.browser is deprecated.
 // It's included for backwards compatibility and plugins,
 // although they should work to migrate away.
@@ -1134,97 +442,4 @@ jQuery.browser = {
 	opera: /opera/.test( userAgent ),
 	msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ),
 	mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent )
-};
-
-// Check to see if the W3C box model is being used
-jQuery.boxModel = !jQuery.browser.msie || document.compatMode == "CSS1Compat";
-
-jQuery.each({
-	parent: function(elem){return elem.parentNode;},
-	parents: function(elem){return jQuery.dir(elem,"parentNode");},
-	next: function(elem){return jQuery.nth(elem,2,"nextSibling");},
-	prev: function(elem){return jQuery.nth(elem,2,"previousSibling");},
-	nextAll: function(elem){return jQuery.dir(elem,"nextSibling");},
-	prevAll: function(elem){return jQuery.dir(elem,"previousSibling");},
-	siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);},
-	children: function(elem){return jQuery.sibling(elem.firstChild);},
-	contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);}
-}, function(name, fn){
-	jQuery.fn[ name ] = function( selector ) {
-		var ret = jQuery.map( this, fn );
-
-		if ( selector && typeof selector == "string" )
-			ret = jQuery.multiFilter( selector, ret );
-
-		return this.pushStack( jQuery.unique( ret ), name, selector );
-	};
-});
-
-jQuery.each({
-	appendTo: "append",
-	prependTo: "prepend",
-	insertBefore: "before",
-	insertAfter: "after",
-	replaceAll: "replaceWith"
-}, function(name, original){
-	jQuery.fn[ name ] = function() {
-		var args = arguments;
-
-		return this.each(function(){
-			for ( var i = 0, length = args.length; i < length; i++ )
-				jQuery( args[ i ] )[ original ]( this );
-		});
-	};
-});
-
-jQuery.each({
-	removeAttr: function( name ) {
-		jQuery.attr( this, name, "" );
-		if (this.nodeType == 1)
-			this.removeAttribute( name );
-	},
-
-	addClass: function( classNames ) {
-		jQuery.className.add( this, classNames );
-	},
-
-	removeClass: function( classNames ) {
-		jQuery.className.remove( this, classNames );
-	},
-
-	toggleClass: function( classNames, state ) {
-		if( typeof state !== "boolean" )
-			state = !jQuery.className.has( this, classNames );
-		jQuery.className[ state ? "add" : "remove" ]( this, classNames );
-	},
-
-	remove: function( selector ) {
-		if ( !selector || jQuery.filter( selector, [ this ] ).length ) {
-			// Prevent memory leaks
-			jQuery( "*", this ).add([this]).each(function(){
-				jQuery.event.remove(this);
-				jQuery.removeData(this);
-			});
-			if (this.parentNode)
-				this.parentNode.removeChild( this );
-		}
-	},
-
-	empty: function() {
-		// Remove element nodes and prevent memory leaks
-		jQuery( ">*", this ).remove();
-
-		// Remove any remaining nodes
-		while ( this.firstChild )
-			this.removeChild( this.firstChild );
-	}
-}, function(name, fn){
-	jQuery.fn[ name ] = function(){
-		return this.each( fn, arguments );
-	};
-});
-
-// Helper function used by the dimensions and offset modules
-function num(elem, prop) {
-	return elem[0] && parseInt( jQuery.curCSS(elem[0], prop, true), 10 ) || 0;
-}
+};
\ No newline at end of file