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);