function mouseDown(e) {
 if (parseInt(navigator.appVersion)>3) {
  var clickType=1;
  if (navigator.appName=="Netscape") { 
  clickType=e.which; 
	
  }
  else clickType=event.button; 
  if (clickType!=1) { 
  alert ('Copyright (C) DiBi Sport. All rights reserved.')
  return false;
  }
 }
 return true;
}
if (parseInt(navigator.appVersion)>3) {
 document.onmousedown = mouseDown;
 if (navigator.appName=="Netscape") 
  document.captureEvents(Event.MOUSEDOWN);
}