function AddHandler(target,eventName,handlerName) 
{ 
	//if(navigator.appName.indexOf('Microsoft')!=-1)
	//target[eventName] = handlerName; 
	//else
	//target.addEventListener(eventName, handlerName, false); 
	if ( target.addEventListener ) 
		target.addEventListener(eventName, handlerName, false); //Firefox
	else 
		{
			if ( navigator.appName.indexOf('Microsoft')!=-1 ) 
			{ 
				target[eventName] = handlerName; //IE
			}
			else 
			{
				
				target.attachEvent ( eventName, handlerName);  //Safari
			}
		}
} 

function TreeMenu(divTreeMenu4AttachEvent) 
{
	var lis = document.getElementById(divTreeMenu4AttachEvent).getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++)
	{
		AddHandler(lis[i],"onmouseover",function() {this.className+=" iehover";});
		AddHandler(lis[i],"onmouseout",function() {this.className=this.className.replace(new RegExp(" iehover\\b"),"");});
		
		
	}
}