//Copyright Newsholme Computer Services Ltd
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("Sorry, you do not have permission to right click.");
		return false;
	}
	return true;
}

document.onmousedown=right;
if (document.layers) window.captureEvents(Event.MOUSEDOWN);
window.onmousedown=right;