function sfHover()
{ 
	if (document.all && document.getElementById) {
		navRoot = document.getElementById("PrimaryNav");
		if (navRoot != null) {
			for (i=0; i<navRoot.childNodes.length; i++) {
				node = navRoot.childNodes[i];
				if (node.nodeName == "LI") {
					node.onmouseover=function() {
						this.className+=" over";
					}
					node.onmouseout=function() {
						this.className=this.className.replace(" over", "");
					}
				}
			}
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHover);