ieHover = function() {
	var hovEls = document.getElementById("listdrop").getElementsByTagName("li");
	for (var i=0; i<hovEls.length; i++) {
		hovEls[i].onmouseover = function() {
			this.className += " hover";
		}
		hovEls[i].onmouseout=function() {
			this.className=this.className.replace(" hover", "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", ieHover);