<!--

function right(e) { 
var msg = "Right-clicking is not possible in this document."; 
if (navigator.appName == 'Netscape' && e.which == 3) { 
alert(msg);  
return false; 
} 
else 
if (navigator.appName == 'Microsoft Internet Explorer' && 
event.button==2) { 
alert(msg);  
return false; 
} 
return true; 
} 
document.onmousedown = right; 

-->