Giriş Sayfam aşağıdaki gibidir
<?
ob_start();
session_start();
ini_set('error_reporting', E_ALL^E_NOTICE);
include('fonks/baglan.php');
if ( empty($HTTP_POST_VARS) ) {
?>
<!doctype html>
<html>
<head>
<META http-equiv=content-type content=text/html;charset=iso-8859-9>
<META http-equiv=content-type content=text/html;charset=windows-1254>
<META http-equiv=content-type content=text/html;charset=x-mac-turkish>
<title>Yönetim Paneli</title>
<link href="css/login.css" rel="stylesheet" type="text/css">
</head>
<body>
<div class="loginbar">
<div class="formalan">
<form name="form1" method="post" action="giris.php">
<input name="adminadi" value="kullanıcı adı" onFocus="if (this.value == 'kullanıcı adı') this.value = '';" class="input" />
<input name="sifre" value="12345" type="password" onFocus="if (this.value == '12345') this.value = '';" class="input" />
<div class="buton">
<input name="button" type="submit" id="button" value="Gönder">
</div>
</form>
</div>
</div>
</body>
</html>
<?php
} else {
$der = $_POST['sifre'];
$sifre2 = MD5 ($der);
$bisi = $_POST['adminadi'];
$tablo = ("SELECT * FROM admin WHERE kullanici_adi='$bisi' AND sifre='$sifre2'");
$sorgu = mysql_query($tablo);
if (mysql_num_rows($sorgu) < 1 ) {
?>
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Yönetim Paneli</title>
<link href="css/login.css" rel="stylesheet" type="text/css">
</head>
<body>
<div class="uyari">Hata Giriş..!<br> Lütfen bilgilerinizi kontrol ederek tekrar deneyiniz.</div>
<div class="loginbar">
<div class="formalan">
<form name="form1" method="post" action="giris.php">
<input name="adminadi" value="Yonetici" onFocus="if (this.value == 'Yonetici') this.value = '';" class="input" />
<input name="sifre" value="12345" type="password" onFocus="if (this.value == '12345') this.value = '';" class="input" />
<div class="buton">
<input name="button" type="submit" id="button" value="Gönder">
</div>
</form>
</div>
</div>
</body>
</html>
<?
}
else {
$admin_id = @mysql_result($sorgu,0,"admin_id");
session_register("admin_id");
header("Location: index.php");
}
}
?> 
