trying to install Check Permissions v1.3?

[2001kx]

im trying to install Check Permissions v1.3

it says:

3

. Add this line to admin/includes/boxes/tools.php - [edit pgm] 

tep_admin_files_boxes(FILENAME_CHECK_PERMISSIONS, BOX_TOOLS_CHECK_PERMISSIONS) .    

after 

tep_admin_files_boxes(FILENAME_FILE_MANAGER, BOX_TOOLS_FILE_MANAGER) .

<?php
/*
$Id: tools.php 3 2006-05-27 04:59:07Z user $

  osCMax Power E-Commerce
  http://oscdox.com

  Copyright 2006 osCMax2005 osCMax, 2002 osCommerce

  Released under the GNU General Public License
*/
?>
<!-- tools //-->
          <tr>
            <td>
<?php
  $heading = array();
  $contents = array();

  $heading[] = array('text'  => BOX_HEADING_TOOLS,
                     'link'  => tep_href_link(FILENAME_BACKUP, 'selected_box=tools'));

  if ($selected_box == 'tools') {
// BOF: MOD - Admin w/access levels
//    $contents[] = array('text'  => '<a href="' . tep_href_link(FILENAME_BACKUP) . '" class="menuBoxContentLink">' . BOX_TOOLS_BACKUP . '</a><br>' .
//                                   '<a href="' . tep_href_link(FILENAME_BANNER_MANAGER) . '" class="menuBoxContentLink">' . BOX_TOOLS_BANNER_MANAGER . '</a><br>' .
//                                   '<a href="' . tep_href_link(FILENAME_CACHE) . '" class="menuBoxContentLink">' . BOX_TOOLS_CACHE . '</a><br>' .
//                                   '<a href="' . tep_href_link(FILENAME_DEFINE_LANGUAGE) . '" class="menuBoxContentLink">' . BOX_TOOLS_DEFINE_LANGUAGE . '</a><br>' .
//                                   '<a href="' . tep_href_link(FILENAME_FILE_MANAGER) . '" class="menuBoxContentLink">' . BOX_TOOLS_FILE_MANAGER . '</a><br>' .
//                                   '<a href="' . tep_href_link(FILENAME_MAIL) . '" class="menuBoxContentLink">' . BOX_TOOLS_MAIL . '</a><br>' .
//                                   '<a href="' . tep_href_link(FILENAME_NEWSLETTERS) . '" class="menuBoxContentLink">' . BOX_TOOLS_NEWSLETTER_MANAGER . '</a><br>' .
//                                   '<a href="' . tep_href_link(FILENAME_SERVER_INFO) . '" class="menuBoxContentLink">' . BOX_TOOLS_SERVER_INFO . '</a><br>' .
//                                   '<a href="' . tep_href_link(FILENAME_WHOS_ONLINE) . '" class="menuBoxContentLink">' . BOX_TOOLS_WHOS_ONLINE . '</a>');
    $contents[] = array('text'  => tep_admin_files_boxes(FILENAME_BACKUP, BOX_TOOLS_BACKUP, TOP) .
                                   tep_admin_files_boxes(FILENAME_RECOVER_CART_SALES, BOX_TOOLS_RECOVER_CART, TOP) .
                                   tep_admin_files_boxes(FILENAME_BANNER_MANAGER, BOX_TOOLS_BANNER_MANAGER, TOP) .
                                   tep_admin_files_boxes(FILENAME_BATCH_PRINT, BOX_TOOLS_BATCH_CENTER, TOP) . 
                                   tep_admin_files_boxes(FILENAME_MAIL, BOX_TOOLS_MAIL, TOP) .
                                   tep_admin_files_boxes(FILENAME_NEWSLETTERS, BOX_TOOLS_NEWSLETTER_MANAGER, TOP) .
                                   tep_admin_files_boxes(FILENAME_PACKAGING, BOX_TOOLS_PACKAGING, TOP) .
                                   tep_admin_files_boxes(FILENAME_UPS_BOXES_USED, BOX_TOOLS_UPS_BOXES_USED, TOP) .
                                   tep_admin_files_boxes(FILENAME_QTPRODOCTOR, BOX_TOOLS_QTPRODOCTOR, TOP) .
                                   tep_admin_files_boxes(FILENAME_CACHE, BOX_TOOLS_CACHE, TOP) .
                                   tep_admin_files_boxes(FILENAME_SERVER_INFO, BOX_TOOLS_SERVER_INFO, TOP) .
                                   tep_admin_files_boxes(FILENAME_WHOS_ONLINE, BOX_TOOLS_WHOS_ONLINE, TOP));
                                   
// EOF: MOD - Admin w/access levels
  }

  $box = new box;
  echo $box->menuBox($heading, $contents);
?>
            </td>
          </tr>
<!-- tools_eof //-->

i dont see where to add it...i tried adding it to the end after

tep_admin_files_boxes(FILENAME_WHOS_ONLINE, BOX_TOOLS_WHOS_ONLINE, TOP));

but it didnt work?

[2001kx]

i also tried adding it in other areas but still not working.