sfHover = function() {

	var sfEls = document.getElementById("Menu").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); }