function register ( $name, $pass, $email ) {
    // magic quotes anpassen
    if ( get_magic_quotes_gpc() ) {
        $name = stripslashes($name);
        $pass = stripslashes($pass);
        $email = stripslashes($email);
    }
    // escapen von \x00, \n, \r, \, ', " und \x1a
    $name = mysql_real_escape_string($name);
    // escapen von % und _
    $name = str_replace('%', '\%', $name);
    $name = str_replace('_', '\_', $name);

$sql = "INSERT INTO Accounts SET UserName = '".$name."', UserPass = '".MD5($pass).", UserMail = '".$emailt."'";

    if ( !$result = mysql_query($sql) ) {
        exit(mysql_error());
    }
    if ( mysql_num_rows($result) == 1 ) {
        $user = mysql_fetch_assoc($result);
        return ( $user['UserId'] );
    } else {
        return ( false );
    }
}
?>
<center>
<br />
<br />
<form method="post" action="#">
<label><p>Benutzername:</p></label> <input name="username" type="text"><br /><br />
<label><p>Passwort: </p></label> <input name="userpass" type="password" id="userpass"><br /><br />
<label><p>E-Mail:</p></label><input name="usermail" type="text"><br /><br />
<br />
<input name="login" type="submit" id="login" value="Abschicken">
</form>
</center>