navHover = function() {

  if(document.getElementById("navmenu"))
  {

	 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);