function makeBookmark (  )
{

  url = document.URL;
  titel = document.title;

  if (window.sidebar) 
  { // Mozilla Firefox Bookmark
	window.sidebar.addPanel( titel, url,"" );
  } 
  else if ( window.external ) 
  { // IE Favorite
	window.external.AddFavorite( url, titel ); 
  }
  
  return 0;
}




<!--[if IE]>

if(window.navigator.systemLanguage && !window.navigator.language) {
  function hoverIE() {
    var LI = document.getElementById("Navigation").firstChild;
    do {
      if (sucheUL(LI.firstChild)) {
        LI.onmouseover=einblenden; LI.onmouseout=ausblenden;
      }
      LI = LI.nextSibling;
    }
    while(LI);
  }

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

  function einblenden() {
    var UL = sucheUL(this.firstChild);
    UL.style.display = "block"; UL.style.backgroundColor = "#EBEAEA"; UL.style.zIndex = "500";
	UL.style.borderColor = "#ffffff";
  }
  function ausblenden() {
    sucheUL(this.firstChild).style.display = "none";
  }

  window.onload=hoverIE;
}

<![endif]-->