function onLoad() {
    if (window.attachEvent) window.attachEvent("onload", sfHover);
}

function sfHover() {
    var sfEls = document.getElementById("menu").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"),
						  "");
	}
    }
}