+function check_session()
+{
+ if (!empty($_POST['login']) && !empty($_POST['passwd'])) {
+ require_once('lib/login.php');
+ if (check_passwd()) {
+ header('Location: ./');
+ exit();
+ }
+ }
+
+ if (empty($_SESSION['sys']['login']) && empty($_GET['login'])) {
+ header('Location: ./?login=true');
+ exit();
+ }
+}
+