sfHover = function() {
 	var sfEls = document.getElementById("navigation").getElementsByTagName("UL");
 	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);