function right(e) {
if (navigator.appName == 'Netscape' &&
   (e.which == 3 || e.which == 2))
   return false;
else
if (navigator.appName == 'Microsoft Internet Explorer' &&
   (event.button == 2 || event.button == 3)) {

   alert("© Fotografie Kunstuitleen Gouda Regio");
   return false;
   }
return true;
}
document.onmousedown=right;
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
window.onmousedown=right;