sfHover = function() {
	var sfEls = $(document.getElementById("nav1").getElementsByTagName("LI"));
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			$(this).addClassName('sfhover');
		}
		sfEls[i].onmouseout=function() {
			$(this).removeClassName('sfhover');
	    }
	}
}
//if (window.attachEvent) window.attachEvent("onload", sfHover);