function LabelAddEvent()
	{
		var labels = document.getElementById("Label").childNodes;
		for(var iLoop = 0; iLoop < labels.length; iLoop ++)
		{
			var label = labels[iLoop];
			if ("LI" == label.nodeName)			//只处理LI的DOM节点，兼容Firefox
			{
				label.value = iLoop;				
				
				label.onmouseover = function()
				{
					ChangeLabel(this);					
				}							
			}
		}
	}
	
	function ChangeLabel(oCur)
	{
		var containers = document.getElementById("Container").childNodes;
		var labels = document.getElementById("Label").childNodes;
		for(var iLoop = 0; iLoop < containers.length; iLoop ++)
		{
			var container = containers[iLoop];			
			var label = labels[iLoop];
			
			var current = iLoop == oCur.value;
			//只处理DIV的DOM节点，兼容Firefox
			if ("DIV" == container.nodeName)	container.style.display = current ? "block" : "none";
			//只处理LI的DOM节点，兼容Firefox
			if ("LI" == label.nodeName)  
			{	
			  if(current)
			  {
			     label.style.cssText="background-image:url(images/cs45.gif);margin-left:5px;color:#333;text-align:center;";
			     window.status=label.style.backgroundImage;
			  }
			  else
			  {
			    label.style.cssText="background-image:url(images/cs44.gif);text-align:center;color:#fff";
			    window.status=label.style.backgroundImage;
			  }			  
			 
			}			   
		}
	}