How to disable right clicks on your web page

HI friends today i will be telling you how to disable right clicks in your webpages
Just copy the copy the code from below and put it on your head section <script language=JavaScript> <!-- http://www.tooltrickz.com --> 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>  

This will block the right click on all the pages