Sağ tuş kilidi

Kod:

<script language="Javascript1.2"> 
<!--
// please keep these lines on when you copy the source
// made by: AHMET EKİNLER - http://www.ahmetx.net

var mymessage = "Sağ Tuş Kullanmanız Engellenmiştir.(www.ahmetx.net)";

function rtclickcheck(keyp){
  if (navigator.appName == "Netscape" && keyp.which == 3) {
    alert(mymessage);
    return false;
  }

  if (navigator.appVersion.indexOf("MSIE") != -1 && event.button == 2) {
    alert(mymessage);
    return false;
  }
}

document.onmousedown = rtclickcheck
//-->
</script>