navHover = function() {
 var lis = document.getElementById("navmenu-v").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);