if(window.navigator.systemLanguage && !window.navigator.language) {
  function hoverIE() {
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    do {
      if (searchUL(LI.firstChild)) {
        LI.onmouseover=show; LI.onmouseout=hide;
      }
      LI = LI.nextSibling;
    }
    while(LI);
  }

  function searchUL(UL) {
    do {
      if(UL) UL = UL.nextSibling;
      if(UL && UL.nodeName == "UL") return UL;
    }
    while(UL);
    return false;
  }

  function show() {
    var UL = searchUL(this.firstChild);
    UL.style.display = "block";
  }

  function hide() {
    searchUL(this.firstChild).style.display = "none";
  }

  window.onload=hoverIE;
}