agent = navigator.userAgent;
  yes = 0;
  if(agent.substring(0,7) == "Mozilla")
    {
    if( parseInt(agent.substring(8,9)) >= 3)
	  {
	  yes = 1;
	  }
    }

  if(yes)
    {
    	  	        pc1n = new Image();
      pc1n.src = "./images/system/buttons/download1.jpg";
      pc1h = new Image();
      pc1h.src = "./images/system/buttons/download2.jpg";


                                      pm1n = new Image();
      pm1n.src = "./images/system/buttons/download1.jpg";
      pm1h = new Image();
      pm1h.src = "./images/system/buttons/download2.jpg";

                                       pm2n = new Image();
       pm2n.src = "./images/system/buttons/suchen1.jpg";
       pm2h = new Image();
      pm2h.src = "./images/system/buttons/suchen2.jpg";
      
                                       pm3n = new Image();
      pm3n.src = "./images/system/buttons/zurueck1.jpg";
      pm3h = new Image();
      pm3h.src = "./images/system/buttons/zurueck2.jpg";
  
  
                                       pm4n = new Image();
      pm4n.src = "./images/system/buttons/senden1.jpg";
      pm4h = new Image();
      pm4h.src = "./images/system/buttons/senden2.jpg";
      
                                       pm5n = new Image();
      pm5n.src = "./images/system/buttons/abstimmen1.jpg";
      pm5h = new Image();
      pm5h.src = "./images/system/buttons/abstimmen2.jpg";
      
      
                                       pm6n = new Image();
      pm6n.src = "./images/system/buttons/zurueck1.jpg";
      pm6h = new Image();
      pm6h.src = "./images/system/buttons/zurueck2.jpg";
      
  }
     
        
  function CI(imgNum,imgName) 
	{
	if(yes)
	  {
	  document.images[imgNum].src = eval(imgName + ".src")
	  }
	}