-<?
- include("../config/config.php");
- include("../functions/mailbox.php");
- include("../functions/strings.php");
- include("../functions/page_header.php");
- include("../functions/display_messages.php");
- include("../functions/imap.php");
- include("../functions/array.php");
+<?php
+ session_start();
+
+ if (!isset($config_php))
+ include("../config/config.php");
+ if (!isset($strings_php))
+ include("../functions/strings.php");
+ if (!isset($page_header_php))
+ include("../functions/page_header.php");
+ if (!isset($dipslay_messages_php))
+ include("../functions/display_messages.php");
+ if (!isset($imap_php))
+ include("../functions/imap.php");
+ if (!isset($array_php))
+ include("../functions/array.php");