sfHover = function() {
	
	if (document.getElementById("leftnav") == null)
		return;
	
	var sfE2s = document.getElementById("leftnav").getElementsByTagName("LI");
	for (var i=0; i<sfE2s.length; i++) {
		sfE2s[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfE2s[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);