if(document.images != null)
  {
   	spr_de1=new Image();
    spr_de1.src="art/spr_de1.gif";
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  function spr_de_button(num)
  {
    if(document.images == null)return;
    if(num == 0)window.status="";
    if(num == 1)window.status="Deutsch";
    document.spr_de.src="art/spr_de"+num+".gif";
  }
        if(document.images != null)
  {
    spr_eng1=new Image();
    spr_eng1.src="art/spr_eng1.gif";
  }

  function spr_eng_button(num)
  {
    if(document.images == null)return;
    if(num == 0)window.status="";
    if(num == 1)window.status="Englisch";
    document.spr_eng.src="art/spr_eng"+num+".gif";
  }