var sorry="Copyright © 1999 Leonardesign.         "
  function click(e) {
   if (document.all) {
    if (event.button == 2) {
     alert(sorry);
     return false;
    }
   }
   if (document.layers) {
    if (e.which == 3) {
     alert(sorry);
     return false;
    }
   }
  }
  if (document.layers) {
   document.captureEvents(Event.MOUSEDOWN);
  }
  document.onmousedown=click;