var message="Website Copyright (c) 2010 by iRobot. All rights reserved.";
function click(e) {
  if (document.all){
    document.onselectstart=new Function('return false');
	if (event.button==2||event.button==3){ 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;