function hoverIE() {    var LI = document.getElementById("Navigation").firstChild;    do {      if(LI.firstChild) {  // A (SPAN)        if(LI.firstChild.nextSibling) {  // #text          if(LI.firstChild.nextSibling.nextSibling) {  // UL ?            LI.onmouseover=einblenden; LI.onmouseout=ausblenden;          }        }      }      LI = LI.nextSibling;    }    while(LI);  }  function einblenden() {    this.firstChild.nextSibling.nextSibling.style.display = "block";    this.firstChild.nextSibling.nextSibling.style.backgroundColor = "silver";  }  function ausblenden() {    this.firstChild.nextSibling.nextSibling.style.display = "none";  }window.onload=hoverIE;