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