sfHover=function(){
	var sfEls=document.getElementById("navbar").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);