<Script Language="JavaScript">     
      var message="Нельзя копировать!";     
      function click(e) {if (document.all)     
      {if (event.button == 2)     
      {alert(message);return false;}}     
      if (document.layers) {if (e.which == 3)     
      {alert(message);return false;}}}     
      if (document.layers)     
      {document.captureEvents(Event.MouseDown);}     
      document.onmousedown=click;     
      </Script>