if (document.layers)
{
 window.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP)
 window.onmousedown=rightclick;
 window.onmouseup=rightclick;
 
 function rightclick(e)
 {
  if (e.which == 3)
  {
   // Put right mouse code here
   alert('Copyright - GABEL-Werbestalung');
   return false; 
  }
  else
  {
  return true; 
  }
 }
}
 
if (document.all)
{
 function click()
 {
  if (event.button==2)
  {
   alert('Copyright - GABEL-Werbestalung')
  }
  if (event.button==3)
  {
   alert('Copyright - GABEL-Werbestalung')
  }
}
document.onmousedown=click
}