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);