Block user from right clicking your web site

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("Please don't right click , Thanks Prateek!!");
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;