function hmenuhover() {
 if(!document.getElementById("hmenu")) return;
 var lis = document.getElementById("hmenu").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", hmenuhover);