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

function resetClasses() {
	var sfEls = document.getElementById("navitems").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].className=sfEls[i].className.replace(new RegExp(" sfhover\\b"), "");		
	}
}