sfHover = function() {
	
	/*var sfEls = document.getElementById("nav").getElementsByTagName("LI");*/
	var sfEls = document.getElementById("mainnav").getElementsByTagName("LI");
	
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" s9hover";
		}
		sfEls[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" s9hover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);