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