Article Categories Not Displaying

<?php
/*--------------------------------------------+
| PHPFusion 5 - Content Management System    |
|---------------------------------------------|
| author: Nick Jones (Digitanium) © 2002-2005 |
| web: http://www.php-fusion.co.uk            |
| email: nick@php-fusion.co.uk                |
|---------------------------------------------|
| Released under the terms and conditions of  |
| the GNU General Public License (Version 2)  |
+--------------------------------------------*/
require_once "maincore.php";
require_once "subheader.php";
require_once "side_left.php";
include LOCALE.LOCALESET."articles.php";

if (!isset($cat_id)) {
   opentable($locale['400']);
   $result = dbquery("SELECT * FROM ".$db_prefix."article_cats WHERE ".groupaccess('article_cat_access')." ORDER BY article_cat_name");
   $rows = dbrows($result);
   if ($rows != 0) {
      $counter = 0; $columns = 2;
      echo "<table cellpadding='0' cellspacing='0' width='100%' class='tbl'>\n<tr>\n";
      while ($data = dbarray($result)) {
         if ($counter != 0 && ($counter % $columns == 0)) echo "</tr>\n<tr>\n";
         $num = dbcount("(article_cat)", "articles", "article_cat='".$data['article_cat_id']."'");
         echo "<td align='center' valign='top' width='50%'><a href='".FUSION_SELF."?cat_id=".$data['article_cat_id']."'>".$data['article_cat_name']."</a> <span class='small2'>($num)</span>";
         if ($data['article_cat_description'] != "") echo "<br>\n<span class='small'>".$data['article_cat_description']."</span>";
         echo "</td>\n";
         $counter++;
      }
      echo "</tr>\n</table>\n";
   } else {
      echo "<center><br>\n".$locale['401']."<br><br>\n</center>\n";
   }
   closetable();
} else {
   $res = 0;
   if (!isNum($cat_id)) fallback(FUSION_SELF);
   $result = dbquery("SELECT * FROM ".$db_prefix."article_cats WHERE article_cat_id='$cat_id'");
   if (dbrows($result) != 0) {
      $cdata = dbarray($result);
      if (checkgroup($cdata['article_cat_access'])) {
         $res = 1;
         opentable($locale['400'].": ".$cdata['article_cat_name']);
         $rows = dbcount("(article_id)", "articles", "article_cat='$cat_id'");
         if (!isset($rowstart) || !isNum($rowstart)) $rowstart = 0;
         if ($rows != 0) {
            $result = dbquery("SELECT * FROM ".$db_prefix."articles WHERE article_cat='$cat_id' ORDER BY ".$cdata['article_cat_sorting']." LIMIT $rowstart,15");
            $numrows = dbrows($result); $i = 1;
            while ($data = dbarray($result)) {
               if ($data['article_datestamp']+604800 > time()+($settings['timeoffset']*3600)) {
                  $new = " <span class='small'>[".$locale['402']."]</span>";
               } else {
                  $new = "";
               }
               echo "<a href='readarticle.php?article_id=".$data['article_id']."'>".$data['article_subject']."</a>$new<br>\n".stripslashes($data['article_snippet']);
            echo ($i != $numrows ? "<br><br>\n" : "\n"); $i++;
            }
            closetable();
            if ($rows > 15) echo "<div align='center' style='margin-top:5px;'>\n".makePageNav($rowstart,15,$rows,3,FUSION_SELF."?cat_id=$cat_id&")."\n</div>\n";
         } else {
            echo "<center>".$locale['403']."</center>\n";
            closetable();
         }
      }
   }
   if ($res == 0) redirect(FUSION_SELF);
}

require_once "side_right.php";
require_once "footer.php";
?>