public function index()
 {
     $data['active'] = 'versheet';
     $data['doc_type'] = VersheetType::all();
     $data['vs'] = Versheet::all();
     $data['user_no'] = User::where('role', '=', 'no')->get();
     return View::make(Auth::user()->role . '.versheet.list', $data);
 }