public function deleteAction()
 {
     if (Jos::isPost()) {
         $params = Jos::getParams();
         $id = $params['id'];
         // Delete row
         $objSlider = new Admin_Model_Slider();
         $objSlider->deleteSlider($id);
         // Delete folder
         delete_multi_folder($id, "uploads/slider/");
     }
     redirect('admin/slider');
 }