ieHover = function()
  {
    var LIs = document.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", ieHover);