Normal1 = new Image();
  Normal1.src = "img_nav/o_imp_s.jpg";    
  Highlight1 = new Image();
  Highlight1.src = "img_nav/o_imp_r.jpg"; 

  Normal2 = new Image(); 
  Normal2.src = "img_nav/o_such_s.jpg";
  Highlight2 = new Image(); 
  Highlight2.src = "img_nav/o_such_r.jpg";
  
  Normal3 = new Image(); 
  Normal3.src = "img_nav/o_agbs_s.jpg";
  Highlight3 = new Image(); 
  Highlight3.src = "img_nav/o_agbs_r.jpg";
  
  Normal4 = new Image(); 
  Normal4.src = "img_nav/o_leiste.jpg";
  Highlight4 = new Image(); 
  Highlight4.src = "img_nav/o_leiste.jpg";
  
  Normal5 = new Image(); 
  Normal5.src = "img_nav/l_home_r.jpg";
  Highlight5 = new Image(); 
  Highlight5.src = "img_nav/l_home_r.jpg";
  
  Normal6= new Image(); 
  Normal6.src = "img_nav/l_leis_s.jpg";
  Highlight6 = new Image(); 
  Highlight6.src = "img_nav/l_leis_r.jpg";
  
  Normal7 = new Image(); 
  Normal7.src = "img_nav/l_doku_s.jpg";
  Highlight7 = new Image(); 
  Highlight7.src = "img_nav/l_doku_r.jpg";
    
  Normal8 = new Image(); 
  Normal8.src = "img_nav/l_orte_s.jpg";
  Highlight8 = new Image(); 
  Highlight8.src = "img_nav/l_orte_r.jpg";
  
  Normal9 = new Image(); 
  Normal9.src = "img_nav/l_ref_s.jpg";
  Highlight9 = new Image(); 
  Highlight9.src = "img_nav/l_ref_r.jpg";
  
  Normal10 = new Image(); 
  Normal10.src = "img_nav/l_link_s.jpg";
  Highlight10 = new Image(); 
  Highlight10.src = "img_nav/l_link_r.jpg";
  
  Normal11 = new Image(); 
  Normal11.src = "img_nav/l_kont_s.jpg";
  Highlight11 = new Image(); 
  Highlight11.src = "img_nav/l_kont_r.jpg";  
  

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