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);