public function delete($id)
 {
     if (!$id) {
         header("Location: /manager");
     } else {
         if (user::accessLevel($_COOKIE['id']) == 1) {
             manager::DELETE($id);
             echo '<a href="/manager">INDEX</a>';
             echo "<br><br><br>manager [{$id}] deleted";
         } else {
             //alert("YOU HAVE NO ACCESS");
             header("Location: /manager/view/{$id}");
         }
     }
 }