function Sifre_Hatirlat() {
 self.name = "info";
 var winl = (screen.width - 470) / 2;
 var wint = (screen.height - 100) / 2;
  popupWin = window.open('sifre_hatirlat.php','sifre_hatirlat', 'top=' + wint + ',left=' + winl + ',width=470,height=100,scrollbars=yes')
}