var BrowserVersion = 0
   var counter = 0;
   if (navigator.userAgent.indexOf("Mozilla/3.0")!= -1) BrowserVersion = 3;
   else if (navigator.userAgent.indexOf("Mozilla/4") != -1)BrowserVersion = 3;
   else if (navigator.userAgent.indexOf("MSIE") != -1) BrowserVersion = 1;
   else if (navigator.userAgent.indexOf("Mozilla/2.0") != -1) BrowserVersion = 2;
   else BrowserVersion = 0;
   
   var counter = 555;
   
if (BrowserVersion == 3) { 
      /* Hier werden die Bilder "vorgeladen" */
      LINKS0_normal = new Image(10, 10);  
      LINKS0_normal.src = "pictures/butt-auswahl.gif";     
      LINKS0_hiLite = new Image(10, 10);  
      LINKS0_hiLite.src = "pictures/butt-auswahl1.gif";
      LINKS1_normal = new Image(10, 10);  
      LINKS1_normal.src = "pictures/butt-auswahl.gif";
      LINKS1_hiLite = new Image(10, 10);  
      LINKS1_hiLite.src = "pictures/butt-auswahl1.gif";
      LINKS2_normal = new Image(10, 10);  
      LINKS2_normal.src = "pictures/butt-auswahl.gif";
      LINKS2_hiLite = new Image(10, 10);   
      LINKS2_hiLite.src = "pictures/butt-auswahl1.gif";
      LINKS3_normal = new Image(10, 10);   
      LINKS3_normal.src = "pictures/butt-auswahl.gif";
      LINKS3_hiLite = new Image(10, 10);    
      LINKS3_hiLite.src = "pictures/butt-auswahl1.gif";
      LINKS4_normal = new Image(10, 10);   
      LINKS4_normal.src = "pictures/butt-auswahl.gif";
      LINKS4_hiLite = new Image(10, 10);   
      LINKS4_hiLite.src = "pictures/butt-auswahl1.gif";
      LINKS5_normal = new Image(10, 10);   
      LINKS5_normal.src = "pictures/butt-auswahl.gif";
      LINKS5_hiLite = new Image(10, 10);   
      LINKS5_hiLite.src = "pictures/butt-auswahl1.gif";
      }

      
   function hiLiteImage(normal, hiLite)
   {                               
      if (BrowserVersion == 3) document.images[normal].src = eval(hiLite + ".src");
   }   

  function Bild0()
     {
 	 clear();
 	 hiLiteImage('LINKS0', 'LINKS0_hiLite');
         counter = 0;
     } 

 function Bild0_test()
     {if (counter != 0) hiLiteImage('LINKS0', 'LINKS0_normal');}

  function Bild1()
     {
 	 clear();
 	 hiLiteImage('LINKS1', 'LINKS1_hiLite');
         counter = 1;
     } 

 function Bild1_test()
     {if (counter != 1) hiLiteImage('LINKS1', 'LINKS1_normal');}

  function Bild2()
     {
 	 clear();
 	 hiLiteImage('LINKS2', 'LINKS2_hiLite');
         counter = 2;
     } 

 function Bild2_test()
     {if (counter != 2) hiLiteImage('LINKS2', 'LINKS2_normal');}

  function Bild3()
     {
 	 clear();
 	 hiLiteImage('LINKS3', 'LINKS3_hiLite');
         counter = 3;
     } 

 function Bild3_test()
     {if (counter != 3) hiLiteImage('LINKS3', 'LINKS3_normal');}

  function Bild4()
     {
 	 clear();
 	 hiLiteImage('LINKS4', 'LINKS4_hiLite');
         counter = 4;
     } 

 function Bild4_test()
     {if (counter != 4) hiLiteImage('LINKS4', 'LINKS4_normal');}

  function Bild5()
     {
 	 clear();
 	 hiLiteImage('LINKS5', 'LINKS5_hiLite');
         counter = 5;
     } 

 function Bild5_test()
     {if (counter != 5) hiLiteImage('LINKS5', 'LINKS5_normal');}

 
  

function clear() {
         hiLiteImage('LINKS0', 'LINKS0_normal');
         hiLiteImage('LINKS1', 'LINKS1_normal');
         hiLiteImage('LINKS2', 'LINKS2_normal');
         hiLiteImage('LINKS3', 'LINKS3_normal');
         hiLiteImage('LINKS4', 'LINKS4_normal');
         hiLiteImage('LINKS5', 'LINKS5_normal');
         }