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);