//if(window.navigator.systemLanguage && !window.navigator.language) {
  if(navigator.appCodeName == "Mozilla") {
  //alert(navigator.appCodeName);
  //alert(window.navigator.language);
  function hover() {
    var LI = document.getElementById("Menue").firstChild;
    do {
      if (searchUL(LI.firstChild)) {        
        LI.onmouseover=show; 
        LI.onmouseout=hide;
        //LI.style.backgroundColor = "#FFFFFF";
      }
      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"; 
    UL.style.backgroundColor = "silver";
  }
  function hide() {
    searchUL(this.firstChild).style.display = "none";
  }

  window.onload=hover;
}