I have installed the product-book-type mod (extended_book_form_V4) on a v1.5 and need a little assist with admin page registration.

The admin/includes/boxes/extra_boxes dhtml file code is below:

<?php
// 2006-03-24 : moku

if (!defined('IS_ADMIN_FLAG')) {
die('Illegal Access');
}

$za_contents[] = array('text' => BOX_CATALOG_BOOK_AUTHORS, 'link' => zen_href_link(FILENAME_BOOK_AUTHORS, '', 'NONSSL'));

$za_contents[] = array('text' => BOX_CATALOG_BOOK_GENRE, 'link' => zen_href_link(FILENAME_BOOK_GENRE, '', 'NONSSL'));
$za_contents[] = array('text' => BOX_CATALOG_BOOK_TYPE, 'link' => zen_href_link(FILENAME_BOOK_TYPE, '', 'NONSSL'));
$za_contents[] = array('text' => BOX_CATALOG_BOOK_COLOR, 'link' => zen_href_link(FILENAME_BOOK_COLOR, '', 'NONSSL'));
$za_contents[] = array('text' => BOX_CATALOG_BOOK_CONDITION, 'link' => zen_href_link(FILENAME_BOOK_CONDITION, '', 'NONSSL'));
//ADDED jph for 6 dropdowns
$za_contents[] = array('text' => BOX_CATALOG_BOOK_DD1, 'link' => zen_href_link(FILENAME_BOOK_DD1, '', 'NONSSL'));
$za_contents[] = array('text' => BOX_CATALOG_BOOK_DD2, 'link' => zen_href_link(FILENAME_BOOK_DD2, '', 'NONSSL'));
$za_contents[] = array('text' => BOX_CATALOG_BOOK_DD3, 'link' => zen_href_link(FILENAME_BOOK_DD3, '', 'NONSSL'));
$za_contents[] = array('text' => BOX_CATALOG_BOOK_DD4, 'link' => zen_href_link(FILENAME_BOOK_DD4, '', 'NONSSL'));
$za_contents[] = array('text' => BOX_CATALOG_BOOK_DD5, 'link' => zen_href_link(FILENAME_BOOK_DD5, '', 'NONSSL'));
$za_contents[] = array('text' => BOX_CATALOG_BOOK_DD6, 'link' => zen_href_link(FILENAME_BOOK_DD6, '', 'NONSSL'));
?>
Thanks!