navHover = function() {
    if (document.getElementById("navmenu").getElementsByTagName("LI") != null &&
        document.getElementById("navmenu").getElementsByTagName("LI") != 'undefined')
    {

	    var lis = document.getElementById("navmenu").getElementsByTagName("LI");
	
		for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" iehover";
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	    }
	}
}

if (window.attachEvent) window.attachEvent("onload", navHover);