function preloadImages(){ 
    if (document.images) { 
      document.WM = new Object; document.WM.preloadImages = new Object; document.WM.preloadImages.daImages = new Array;
      for(arg=0;arg<preloadImages.arguments.length;arg++){ 
        document.WM.preloadImages.daImages[arg] = new Image; document.WM.preloadImages.daImages[arg].src = preloadImages.arguments[arg]; 
      } 
    } 
  }


  function imageSwap(daImage, daSrc){ 
    if(document.images){  
      if (typeof daImage == 'string' || typeof daImage == 'number') { 
        document.images[daImage].src = daSrc; }
      else if (daImage && daImage.src) { 
        daImage.src = daSrc; 
      } 
    } 
  }


  galerieFenster=null; 
  function startGaleriefenster(datei) 
  { 
    if (galerieFenster == null || galerieFenster.closed == true)
    {   
      galerieFenster=window.open("","galerieFenster", "top=100,left=100,width=640,height=480,status=no,menubar=no,scrollbars=no,resizable=no");
      if (galerieFenster!=null)
      {
        if (galerieFenster.opener==null) 
          galerieFenster.opener=self; 
      }
    }
    galerieFenster.location.href=datei;
    galerieFenster.focus();
  }