function setzeDivVisibility(nameDiv,parVisibility)
{

  if (ALL)
   {
    if (parVisibility == 'visible')
     {
      document.all[nameDiv].style.visibility ='visible';
     }
    else
     {
      document.all[nameDiv].style.visibility ='hidden';
     }
   }
  if (BY_ID)
   {
    if (parVisibility == 'visible')
     {
      window.document.getElementById(nameDiv).style.visibility ='visible';
     }
    else
     {
      window.document.getElementById(nameDiv).style.visibility ='hidden';
     }

   }
  if (LAYERS)
   {
     if (parVisibility == 'visible')
      {
        document.layers[nameDiv].visibility='visible';
      }
     else
       {
        document.layers[nameDiv].visibility='hidden';
       }
   }


}