public function index()
 {
     $active = 'surat';
     if (Auth::user()) {
         $user = User::with('role')->where('user_id', Auth::user()->user_id)->first();
         $surats = Surat::all();
         return View::make('surat', compact('user', 'active', 'surats'));
     } else {
         return View::make('login');
     }
 }