<?

 $_GET['content'] = str_replace('.','',$_GET['content']);
 $check = explode("../",$_GET['content']);
  if (isset($check[1]) && $check[1]!='') {
     echo 'Zugriff verweigert!';
     exit;
  }
@include_once('lib/header.php');
@include_once('content'.$_GET['content'].'.php');
@include_once('lib/footer.php');
?>