the stupid session does not exist...<br />Now the stupid session we have got.<br />Refurl: 
<form method="post" action="login.php" enctype="multipart/form-data">
<p>
Name:<br /><input type="text" name="nutzer" value="" /><br />
Passwort:<br /><input type="password" name="pwd" value=""/>
</p>
<input type="hidden" name="ref" value="" />
<p>
<input type="submit" name="Button" value="Anmelden" />
</p>
</form>