sfHover = function() {	var sfEls = document.getElementById("menu").getElementsByTagName("li");	
for (var i=0; i<sfEls.length; i++) 
{		
	sfEls[i].onmouseover=function() 
	{			
		this.className+=" hover"		};		
	sfEls[i].onmouseout=function() 
	{			
		this.className=this.className.replace(new RegExp(" hover\\b"), "");		}	
		}
	};	if (window.attachEvent) window.attachEvent("onload", sfHover);