<!-- right click script -->

var mymessage = "ERDE Bilgisayar San.ve Tic.Ltd.Şti.";
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