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