public function manage_admin()
{
if (!$this->session->is_admin || !$this->session->is_admin_loggedin) {
redirect('admin');
}
$crud = new grocery_crud();
$crud->set_theme('datatables')->set_subject('Admin')->set_table('admin');
$output = $crud->render();
$this->load->view('admin/admin_header_view', $output);
$this->load->view('admin/admin_nav_view');
$this->load->view('admin/admin_panel_view', $output);
$this->load->view('admin/admin_footer_view');
}
