LastChaos Server maker Team

<?php
$m=mysql_connect("192.168.56.101","root","");
mysql_select_db("newproject_db",$m);

if ((isset($_POST['anmelden']))&&(strlen($_POST['name'])>0)&&(strlen($_POST['pw'])>0)&&(strlen($_POST['pww'])>0)) {

    if ($_POST['pw']==$_POST['pww']) {

        if ($m) {

            $e=mysql_query("SELECT MAX(a_index) FROM t_users");
            $u=mysql_fetch_row($e);
            $u=$u[0]+1;

            $e=mysql_query("SELECT MAX(user_code) FROM bg_user");
            $b=mysql_fetch_row($e);
            $b=$b[0]+1;

            $reg_date=date("Y-m-d H:i:s");

            $name=$_POST['name'];
            $pw=$_POST['pw'];

            $x=mysql_query("INSERT INTO t_users VALUES ('$u','$name','$pw','$b','$reg_date','NULL','1','1','1','-1','0','0','10','0','','0')");
            $y=mysql_query("INSERT INTO bg_user VALUES ('$b','$name','$pw','1')");

            mysql_close($m);

            if (($x==1)&&($y==1)) {

                die("Du wurdest erfolgreich angemeldet.");

            }
            else {

                die("Username ist bereits vorhanden.");

            }

        }

    }
    else {

        die("Die eingegebenen Passwörter stimmen nicht überein.");

    }

}
?>
<form action="<?php $_SERVER['PHP_SELF']; ?>" method="post">
    Username:<br />
    <input type="text" name="name" maxlength="30" size="30" />
    <br />
    Passwort:<br />
    <input type="password" name="pw" maxlength="15" size="30" />
    <br />
    Passwort wiederholen:<br />
    <input type="password" name="pww" maxlength="15" size="30" />
    <br />
    <input type="submit" name="anmelden" value="Anmelden" />
</form>