Evlon={};
		Evlon.createDelegate = function(instance, method)
	    {
	        return function()
	        {
	            method.apply(instance, arguments);
	        }
	    }
	    Evlon.Tab = function(tabWnd, elmt, focusClassName, elmtContent, enableHoverSwitch)
	    {
	    	this.tabWnd = tabWnd;
	    	this.elmt = elmt;
	    	this.focusClassName = focusClassName;
	    	this.content = elmtContent;
	    	this.enableHoverSwitch = enableHoverSwitch;
	    	this._timer = null;
	    	
	    	
			this.hide = function()
			{
				var re = new RegExp("\\s+" + focusClassName,"ig");
				var className = ' ' +  this.elmt.className.toString();
				this.elmt.className = className.replace(re,'');
				this.content.style.display = 'none';
			}
			this.show = function()
			{
				this.elmt.className += ' ' + focusClassName;

				this.content.style.display = '';
			}
			this.menu_onclick = function()
			{
				this.menu_onmouseout();
				return this.tabWnd.switchTab(this);
			}
			
			this.menu_onmouseover = function()
			{
				window.status = new Date();
				this.menu_onmouseout();
				this._timer = window.setTimeout( Evlon.createDelegate(this.elmt, this.elmt.onclick), 100);
			}
			this.menu_onmouseout = function()
			{
				if(this._timer)
				{
					window.clearTimeout(this._timer);
				}
			}
			this.hide();
			this.elmt.onclick = Evlon.createDelegate(this, this.menu_onclick)
			if(this.enableHoverSwitch)
			{
				this.elmt.onmouseover =  Evlon.createDelegate(this, this.menu_onmouseover)
				
				this.elmt.onmouseout = Evlon.createDelegate(this, this.menu_onmouseout)
			}
	    }
		
		
		// var tab = new Evlon.TabWnd("ulMenuA","divContentA","focus",true);
		Evlon.TabWnd = function(idMenu, idDiv, focusClassName, enableHoverSwitch)
		{
			
			this._menu = document.getElementById(idMenu);
			this._content = document.getElementById(idDiv);
			this.tabs = [];
			this.enableHoverSwitch = false | enableHoverSwitch;
		
			this.switchTab = function(newTab)
			{
				this.current.hide();
				this.current = newTab;
				this.current.show();
			}
			
			function getChildren(elmt)
			{
				var elmts = [];
				var e = elmt.firstChild;
				while(e != null)
				{
					if(e.nodeType != 3)
					{
						elmts.push(e);
					}
					
					e = e.nextSibling;
				}
				return elmts;
			}
			
			var childrens = getChildren(this._menu);//.childNodes;
			var contents = getChildren(this._content);//.childNodes;
			if(contents.length != childrens.length)
				throw '菜单和内容数目必须一致！';
			if(childrens.length > 0)
			{
				for(var i = 0; i < childrens.length; ++i)
				{
					var li = childrens[i];
					this.tabs.push(new Evlon.Tab(this, li, focusClassName, contents[i], this.enableHoverSwitch));
				}
				this.current = this.tabs[0];
				this.current.show();
			}
		}