Normal1 = new Image(); 
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  Highlight1 = new Image(); 
  Highlight1.src = "img/ua-11.gif"; 
  Normal2 = new Image(); 
  Normal2.src = "img/ru-00.gif"; 
  Highlight2 = new Image(); 
  Highlight2.src = "img/ru-11.gif"; 

  Normal3 = new Image(); 
  Normal3.src = "img/de-00.gif"; 
  Highlight3 = new Image(); 
  Highlight3.src = "img/de-11.gif"; 

  Normal4 = new Image(); 
  Normal4.src = "img/en-00.gif"; 
  Highlight4 = new Image(); 
  Highlight4.src = "img/en-11.gif"; 

function Bildwechsel(Bildnr,Bildobjekt){window.document.images[Bildnr].src = Bildobjekt.src;}