unfoldMenu = function() {
	var menEls = document.getElementById("menu").getElementsByTagName("LI");
	for (var i=0; i<menEls.length; i++) {
		menEls[i].onmouseover=function() {
			this.className+=" over";
		}
		menEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" over\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", unfoldMenu);