sfHover = function() {
	var parse_obj = document.getElementById("top_menu");
	
	if(parse_obj) {
		var sfEls = parse_obj.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);