databaze

....
public function authenticate(){
include pripojeni.php
$this->kontrola_vlastnosti();
// if(!is_resource($this->dbh)){}

$password = MD5($this->heslo);

$query = @mysql_query("SELECT login, jmeno, prijmeni, email, pohlavi, vek, mesto, icq
FROM registrace
WHERE login LIKE '$login'
AND heslo LIKE '$password'");


if($result = @mysql_fetch_array($query)) {
$this->result = $result;
return $this;
}
else {
echo "kuku";
throw new AuthException("nespravne udaje");
}
}
...

porad mi to kukáá, co mam spatne? $result a $query maji maji hodnoty NULL