public function getFilterById()
 {
     $title = 'Entrega inmediata';
     $input = Input::all();
     $instants = Instant::where('id', '=', $input['idInstant'])->orderBy('id', 'desc')->paginate(6);
     $filterInstant = 'Entrega inmediata con código ' . $input['idInstant'] . '</strong>';
     return View::make('instants.index')->with(compact('title', 'instants', 'filterInstant', 'input'));
 }