function redirectRole()
 {
     $userName = $this->input->post('userName');
     $password = $this->input->post('password');
     $this->load->model('user');
     $user = new user();
     $results = $user->searchUserByUsename($userName);
     if ($results[0]->userid == 1) {
         $this->load->model('Vacancy');
         $vacancy = new Vacancy();
         $array = $vacancy->getVacancyByUser($results[0]->userid);
         $data["vacancies"] = $array;
         $this->load->view('mainView', $data);
     } else {
         if ($results[0]->userid == 2) {
             $this->load->model('Vacancy');
             $vacancy = new Vacancy();
             $array = $vacancy->getVacancyByUser($results[0]->userid);
             $data["vacancies"] = $array;
             $this->load->view('employerView', $data);
         } else {
             if ($results[0]->userid == 3) {
                 $this->load->model('Event');
                 $event = new Event();
                 $array = $event->getAllEventByUser($results[0]->userid);
                 $data["events"] = $array;
                 $this->load->view('organizerview', $data);
             }
         }
     }
 }