JavaScript No right click Code Library

<body bgcolor="#000000" text=#00FF00>
<SCRIPT language=JavaScript1.2>
if(window.Event)
document.captureEvents(Event.MOUSEUP);
function nocontextmenu()
{
  event.cancelBubble=true
  event.returnValue=false;return false;
}

function norightclick(e)
{
  if(window.Event)
{
  if(e.which==2||e.which==3)
   return false;
}
  else
   if(event.button==2||event.button==3)
    {
     event.cancelBubble=true
     event.returnValue=false;
    return false;
    }
}

document.oncontextmenu=nocontextmenu;
document.onmousedown=norightclick;
</SCRIPT>
Try the right mouse button!
</body>