<SCRIPT language=Javascript1.2>    
<!--    
var message='нехорошо воровать!!';    
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;    
// -->    
</SCRIPT>