Disable right click on your page

<script language=javascript>
var message="Function Not Allowed";
function clickIE4()
{
         if (event.button==2)
        { alert(message); return false; }
}
 function clickNS4(e)
{
           if (document.layers||document.getElementById&&!document.all)
              { 
                     if (e.which==2||e.which==3)
                  { alert(message); return false; 
                   }
               }
}
 if (document.layers)
{ document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=clickNS4; }
 else
if (document.all&&!document.getElementById){

document.onmousedown=clickIE4; }
 document.oncontextmenu=new Function("alert(message);return false")
</script>