sfHover = function() {
	var sfEls = document.getElementById("menu").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className += "_hover hover";
		}
		sfEls[i].onmouseout=function() {
			this.className = this.className.replace("_hover hover", "");
			
			//this.getElementsByTagName("UL")[0].className.replace("_hover hover", "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);