<SCRIPT language=JavaScript>
<!--
http://www.spacegun.co.uk -->
var message = "function disabled";
function rtclickcheck(keyp){ if (navigator.appName == "Netscape" && keyp.which == 3){ alert(message); return false; }
if (navigator.appVersion.indexOf("MSIE") != -1 && event.button == 2) { alert(message); return false; } }
document.onmousedown = rtclickcheck;
</SCRIPT>
Sorry i found this on a site, when i right clicked it said function disabled here is the site if you want to have a look.
http://www.angelfire.com/fl5/html-tutorial/rclick.htm