How to disable right click in Firefox

This javascript is to disable right click in Firefox, IE and Safari


var message="";

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")

Credit: Psycho77

Posted in: Script