public function index()
    {
        if($this->session->userdata('isLogin') == TRUE) {
            redirect('/dashboard');
        } else {

        $this->form_validation->set_rules('username', 'Username', 'required|trim|xss_clean');
        $this->form_validation->set_rules('password', 'Password', 'required|md5|xss_clean');
        $this->form_validation->set_error_delimiters('<span class="error">', '</span>');

        if ($this->form_validation->run()==FALSE)  {
            $this->load->view('index');
        } else {
             $username = $this->input->post('username');
             $password = $this->input->post('password');
             $level = $this->input->post('level');
             $cek = $this->User_model->takeUser($username, $password, 1, $level);

             if($cek != 0)  {
                $this->session->set_userdata('isLogin', TRUE);
                $this->session->set_userdata('username',$username);
                $this->session->set_userdata('level',$level);

                redirect('/dashboard');
            } else {
                echo " <script>  alert('Failed Login: Check your username and password!');  history.go(-1);  </script>";
            }
        }
        }
            /*
            $data['carsin'] = $this->Sajat->get_carsin();
            $data['carsinrow'] = $this->Sajat->get_carsin_row();
            $data['partsinrow'] = $this->Sajat->get_parts_row();*/


            /*$this->load->view('index');*/

    }