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