$index->showRegister('show');
break;
case 'checkr':
$index->register();
break;
case 'search':
$index->search('autor');
break;
case 'searchb':
$index->search('book');
break;
case 'submit':
$index->submitComment();
break;
case 'showbook':
$index->showBook();
break;
case 'profile':
$index->showProfile();
break;
case 'update':
$index->updateManager();
break;
}
} else {
if (isset($_GET['autor'])) {
$index->showAutor();
} else {
$index->showStart();
}
// Show the default webpage