<!-- **************************************************************************************** -->
<!-- *                                                                                      * -->
<!-- *    Announces this screen only requires the left mouse button.                        * -->
<!-- *                                                                                      * -->
<!-- **************************************************************************************** -->
<!--
var mbmsg="This screen only requires the left mouse button.";
function mouse_button()
   {
   if (event.button==2||event.button==3)
      {
      alert(mbmsg);
      }
   if (document.layers)
      {
      if (e.which == 3)
         {
         alert(mbmsg);
//         return false;
         }
      }

   }
   if (document.layers)
      {
      document.captureEvents(Event.MOUSEDOWN);
      }
   document.onmousedown=mouse_button
   // -->