sfHover = function() {
			
		var tmp = document.getElementById("nav");
		if(tmp){
			var sfEls = tmp.getElementsByTagName("LI");
			if(sfEls){
			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);