var message="Unauthorised by Security Options Settings";
function click(e){
if (document.all){
if (event.button==2||event.button==3){
alert(message);
return false;
}
}
if(document.layers){
if(e.which==3){
alert(message);
return false;
}
}
}
if(document.layers){
document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown=click;