sfHover = function() {
	var sfEls = document.getElementById('nav1').getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" hover";
			//alert(this + ' -- ' + this.className);
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(/\s?hover/, "");
		}
		
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHover);