ieHover = function() {
  var linksReady = '';
  var sfEls = '';
  linksReady = document.getElementById("nav");
  if (linksReady) {
    sfEld = document.getElementById("nav").getElementsByTagName("LI");
    if (sfEls) {
      for (var i=0; i<sfEls.length; i++) {
        sfEls[i].onmouseover=function() {
          this.className+=" iehover";
        }
        sfEls[i].onmouseout=function() {
          this.className=this.className.replace(new RegExp(" iehover\\b"), "");
        }
      }
    }
  }
}
if (window.attachEvent) window.attachEvent("onload", ieHover);