Problema di connessione!!!!

[kiapparo]

// Questo sricpt si trova nella pagina chiamata topics.php nella root principale, dovrebbero visualizzarsi gli ultimi topics del forum (in questo caso in una pagina esterna al forum)!
<? 
include("get_posts_EXT.php"); 
$root_forum = $_SERVER['DOCUMENT_ROOT'].'/forum/';
get_posts('last','DESC',20); 
?> 

// Questa è la pagina get_post_EXT.php
<?php
    
function get_posts($mode='last', $ord='DESC', $limit=5)
{
    global $root_forum;
      include( $root_forum . 'config.php');

      switch( $mode )
      {
          case 'last':
                $order = 'topic_last_post_id ' .$ord . ' LIMIT ' . $limit;   // ultimi inseriti
                  break;
            case 'replies':
                    $order = 'topic_replies ' .$ord . ' LIMIT ' . $limit; // i più frequentati
                  break;
            case 'views':
                    $order = 'topic_views ' .$ord . ' LIMIT ' . $limit; // i più visti
                  break;
            case 'rand':
                    $order = 'RAND() LIMIT ' . $limit;   // casuali
                  break;
            default:
                     $order = 'topic_last_post_id DESC LIMIT ' . $limit;  //default ultimi inseriti
                     break;
      }

      $access = mysql_connect($dbhost, $dbuser, $dbpasswd)
                   or die("Could not establish connection: " . mysql_error());
      $db = mysql_select_db($dbname,$acces) or die ("Could not connect to database.
\n");

      $sql="SELECT t.topic_id,t.topic_title, t.topic_last_post_id, p.post_time, u.username
            FROM phpbb_topics t, phpbb_topics u, phpbb_posts p, phpbb_forums f
            WHERE t.topic_last_post_id=p.post_id AND u.user_id=p.poster_id
                  AND f.forum_id=t.forum_id AND f.auth_view=0
            ORDER BY $order";

      if ( !($result = mysql_query($sql)) )
      {
          die("Could not obtain post information.");
      }

      while( $row = mysql_fetch_array($result) )
      {
          echo("<a href=\"" . $root_forum . "viewtopic.php?t=" . $row["topic_id"] ."\" title=\"\">" . $row["topic_title"] . "</a>
");
      }
      
    mysql_free_result();
    mysql_close($db);
}

?>


// Questo è il contenuto del file config.php

<?php


// phpBB 2.x auto-generated config file
// Do not change anything in this file!

$dbms = 'mysql';

$dbhost = 'xxxx';
$dbname = 'xxxx';
$dbuser = 'xxxxxx';
$dbpasswd = 'xxxxx';

$table_prefix = 'phpbb_';

define('PHPBB_INSTALLED', true);

?>

// E questo è il fottutissimo errore!!
Warning: mysql_select_db(): supplied argument is not a valid MySQL-Link resource in /mnt/raid1-01/home/cellutop/cellulartopic.com/htdocs/get_posts_EXT.php on line 29
Could not connect to database.