     
     for item in items {
       if item.hasPrefix(("nssl")) {
-        objects.append(item)
+        pictures.append(item)
       }
     }
   }

      if let indexPath = self.tableView.indexPathForSelectedRow {
        let navigationController = segue.destination as! UINavigationController
        let controller = navigationController.topViewController as! DetailViewController
        controller.detailItem = objects[indexPath.row]
        controller.title = objects[indexPath.row]
      }
    }
  }

class MasterViewController: UITableViewController {
  
  var detailViewController: DetailViewController? = nil
  var pictures = [String]()
  
  
  override func viewDidLoad() {
