var message = "Sorry, that function is disabled.\n\n"; 
message += "This page is copyrighted, and "; 
message += "all content is protected."; 

function click(e) { 
if (document.all) { 
if (event.button == 2) { 
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;