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);