sfHover = function() {
	var m = document.getElementById("headerNav").getElementsByTagName("ul");
	
	//alert(m);
	
	sfEls = m[0].getElementsByTagName("LI");
	
	//alert(sfEls.length);
	
	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);