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() {
			// BJORN: added timeout to prevent flickering
			var oThis = this;
			time = 300;
			setTimeout(function(){oThis.className=oThis.className.replace(new RegExp(" sfhover\\b"), "");}, time);
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);