mail1=new Image();
  mail1.src="mail1.gif";
  mail2=new Image ();
  mail2.src="mail2.gif"

  news1=new Image();
  news1.src="news1.gif";
  news2=new Image ();
  news2.src="news2.gif"

  gast1=new Image();
  gast1.src="gast1.gif";
  gast2=new Image ();
  gast2.src="gast2.gif"

  wo1=new Image();
  wo1.src="wo1.gif";
  wo2=new Image ();
  wo2.src="wo2.gif"

  bild1=new Image();
  bild1.src="bild1.gif";
  bild2=new Image ();
  bild2.src="bild2.gif"

  nach1=new Image();
  nach1.src="nach1.gif";
  nach2=new Image ();
  nach2.src="nach2.gif"

  abi1=new Image();
  abi1.src="abi1.gif";
  abi2=new Image ();
  abi2.src="abi2.gif"
  
  bonn1=new Image();
  bonn1.src="bonn1.gif";
  bonn2=new Image ();
  bonn2.src="bonn2.gif"
  
  
  function Bildwechsel(Bildnr,Bildobjekt)
  {
   window.document.images[Bildnr].src = Bildobjekt.src;
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function jump_page(url) {
	if(url != '#') document.location.href=url;
}