function right(e) {

if (navigator.appName == 'Netscape' && (e.which == 2 || e.which == 3)) {

alert('Copyright Rob Winkelaar !');

return false;

}

else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button==2 || event.button == 3)) {

alert('Copyright Rob Winkelaar !');

return false;

}

return true;

}

document.onmousedown=right;

if (document.layers) window.captureEvents(Event.MOUSEDOWN);

window.onmousedown=right;