function sfHover() {
	var sfEls = document.getElementById("nav1").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);

function addEvent(src,evt,func){
	if (src.addEventListener){ // DOM Standard
		src.addEventListener(evt,func,false);
		return true;
	}else if (src.attachEvent) return src.attachEvent("on"+evt,func); // IE
	else eval('src.on'+evt+'=func'); // navigateurs sans DOM
}