sfHover = function() {
	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 (!Browser.Engine.gecko) {
	window.addEvents({"load":sfHover});
}