[PHP] Call to a member function ...a non-object pomocy! Opcje

[emeres1]

Witam,
stawiam swoje pierwsze kroki w MVC i trapi mnie jeden problem którego nie rozumiem.(Pliki maja rozszerzenie php5 bo narazie nie rozkminialem jak zmienic na serwerze z php4 na php5).
model.php

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<?php
include ('../www/class.DataMenager.php5');
class Model{
    public function _construct($login,$password,$password,$password2,$email)
    {
     $this->login = $login;
     $this->password=$password;
     $this->password2=$password2;
     $this->email=$email;
    }
    public function addLogin()
    {
        $add = DataMenager::addlogindt($this->login,$this->password,$this->password,$this->password2,$this->email);
        return $addlog=1;
     }
 
}
?>
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class.DataMenager.php5

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<?php
 
class DataMenager{
    private $connectlink;
    private $hostname ="mysql5-13.pro";
    private $username = "jailfunkra";
    private $password = "ajschylos1";
    private $datebase ="jailfunkra";
 
 
    public function  __construct() {
        $this->connectlink = mysql_connect($this->hostname,$this->username,$this->password);
        if(!$this->connectlink){
 
        }else{
            mysql_select_db($datebase);
        }
    }
 
  public function addlogindt($login,$password,$password,$password2,$email){
 
    $sql =mysql_query("insert into test values(NULL,
      '$login','$password','$password2','$email'");
 
  }
}
 
?>
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controller.php5

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<?php
include_once('../www/model/model.php5');
class Controller {
    public $model;
    public function _construct(){
        $this->model=new Model($this->login=$_POST['login'],
            $this->password=$_POST['password'],$this->password2=$_POST['password2'],
            $this->email=$_POST['email']);
    }
    public function invoke(){
        if(!isset($_GET['form'])){
        include_once'view/form.php5';
        } else {
          $this->model->addlogin();  
            }
}
}
 
?>
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wywolanie w index

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<?php
include_once("controller/controller.php5");
$obj= new Controller();
$obj->invoke();
?>
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dostaje komunikat:

Fatal error: Call to a member function addlogin() on a non-object in /homez.354/jailfun/www/controller/controller.php5 on line 14

Jak to możliwe skoro wcześniej wywołałem obiekt : Model? W wersji bez danych z POST również nie działą.Podpowie ktoś co robie nie tak?ó