$ip_sonuc=mysql_query("SELECT * FROM z_ipkoruma WHERE (ktgr='2') and (ip='$ip') ");
 $ip_satir=mysql_fetch_assoc($ip_sonuc);
 if ($ip_satir) { include 'yetki_yok.php'; exit(); }

 $ip_sonuc=mysql_query("SELECT * FROM z_ipkoruma WHERE (ktgr='2') and (ip='$ip') ");
 $ip_satir=mysql_num_rows($ip_sonuc);
 if ($ip_satir>1) { include 'yetki_yok.php'; exit(); }