// BEGIN Original:  Martin Webb (martin@irt.org)
function right(e) {
	//return true; // scommentare per abilitare il tasto destro del mouse
	if (navigator.appName == 'Netscape' && (e.which == 2 || e.which == 3)) {
		return false;
	} else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 2 || event.button == 3)) {
		alert("Right click is disabled.");
		return false;
	}
	return true;
}
document.onmousedown = right;
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
window.onmousedown = right;
// END Original:  Martin Webb (martin@irt.org)