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;

document.onmouseup=right;

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

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

window.onmousedown=right;

window.onmouseup=right;