How to disable right click in a webpage – script to disable copying images

we can disable the right click to prevent copying/saving images from the webpages.
Paste the below script before ending </head>

<SCRIPT TYPE=”text/javascript”>
<!–
//Disable right click script
//visit http://www.rainbow.arch.scriptmania.com/scripts/
var message=”Sorry, right-click has been disabled”;

///////////////////////////////////

function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers)
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}
document.oncontextmenu=new Function(“return false”)
// –>

</SCRIPT>