public function register() {

        $this->load->view('topspace');
        $this->load->helper(array('form', 'url'));
        $this->load->library('form_validation');

        $this->form_validation->set_rules('email', 'Email', 'required');
        $this->form_validation->set_rules('password', 'Password', 'required');
        $this->form_validation->set_rules('firstname', 'First Name', 'required');
        $this->form_validation->set_rules('lastname', 'Last Name', 'required');
        $this->form_validation->set_rules('streetaddress', 'Street Address', 'required');
        $this->form_validation->set_rules('city', 'City', 'required');
        $this->form_validation->set_rules('state', 'State', 'required');
        $this->form_validation->set_rules('zip', 'Zip', 'required');

        if ($this->form_validation->run() == TRUE)
                {
                    $username = $this->input->post('email');
                    $email = $this->input->post('email');
                    $password = $this->input->post('password');
                    $confirmpassword = $this->input->post('confirmpassword');

                    $firstname = $this->input->post('firstname');
                    $lastname = $this->input->post('lastname');
                    $streetaddress = $this->input->post('streetaddress');
                    $city = $this->input->post('city');
                    $state = $this->input->post('state');
                    $zip = $this->input->post('zip');

                    $additional_data = array(
                                'first_name' => $firstname,
                                'last_name' => $lastname,
                                'streetaddress' => $streetaddress,
                                'city' => $city,
                                'state' => $state,
                                'zip' => $zip
                                );
                    $group = 'members';
                    if ($password == $confirmpassword) {

                    if($this->ion_auth->register($username, $password, $email, $additional_data, $group)){
                        $this->load->view('register_success');
                    }else{
                        $this->load->view('duplicateuser');
                    }
                    } else {
                        $this->load->view('confirmpasswordfail');
                    }
                }
                else
                {
                        $this->load->view('register');
                }

        }