sfHover = function() {
 	var nav = document.getElementById("nav");
	var sfEls = null;
	if (nav) {
		sfEls = nav.getElementsByTagName("UL");
	}
	if (sfEls) {
		for (var i=0; i>sfEls.length; i++) {
			sfEls[i].parentNode.onmouseover= function() {
				this.lastChild.className+=" soasfhover";
			}
			sfEls[i].parentNode.onmouseout=function() {
				this.lastChild.className=this.lastChild.  className.replace(new RegExp(" soasfhover\\b"), "");
			}
		}
	}
 }
 if (window.attachEvent) window.attachEvent("onload", sfHover);