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