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function make_jumpbox($action, $match_forum_id = 0)
{

	$list = array();
	return make_jumpbox_ref($action, $match_forum_id, $list);
}

function make_jumpbox_ref($action, $match_forum_id, &$forums_list)
{
	global $template, $userdata, $lang, $db, $nav_links, $phpEx, $SID, $userdata;

//	$is_auth = auth(AUTH_VIEW, AUTH_LIST_ALL, $userdata);

	$sql = "SELECT c.cat_id, c.cat_title, c.cat_order
		FROM " . CATEGORIES_TABLE . " c, " . FORUMS_TABLE . " f
		WHERE f.cat_id = c.cat_id
		".(($userdata['user_level'] == ADMIN)? "" : " AND c.cat_id<>'".HIDDEN_CAT."'" )."
		GROUP BY c.cat_id, c.cat_title, c.cat_order
		ORDER BY c.cat_order";
	if ( !($result = $db->sql_query($sql)) )
	{
		message_die(GENERAL_ERROR, "Couldn't obtain category list.", "", __LINE__, __FILE__, $sql);
	}

	$category_rows = array();
	while ( $row = $db->sql_fetchrow($result) )
	{
		$category_rows[] = $row;
	}

	if ( $total_categories = count($category_rows) )
	{
		$sql = "SELECT *
			FROM " . FORUMS_TABLE . "
			ORDER BY cat_id, forum_order";
		if ( !($result = $db->sql_query($sql)) )
		{
			message_die(GENERAL_ERROR, 'Could not obtain forums information', '', __LINE__, __FILE__, $sql);
		}

		$boxstring = '<select name="' . POST_FORUM_URL . '" onchange="if(this.options[this.selectedIndex].value != -1){ forms[\'jumpbox\'].submit() }"><option value="-1">' . $lang['Select_forum'] . '</option>';

		$forum_rows = array();
		while ( $row = $db->sql_fetchrow($result) )
		{
			$forum_rows[] = $row;
      			// Begin Simple Subforums MOD
			$forums_list[] = $row;
			// End Simple Subforums MOD
		}

		if ( $total_forums = count($forum_rows) )
		{
			for($i = 0; $i < $total_categories; $i++)
			{
				$boxstring_forums = '';
				for($j = 0; $j < $total_forums; $j++)
				{
					if ( !$forum_rows[$j]['forum_parent'] && $forum_rows[$j]['cat_id'] == $category_rows[$i]['cat_id'] && $forum_rows[$j]['auth_view'] <= AUTH_REG )
					{

//					if ( !$forum_rows[$j]['forum_parent'] && $forum_rows[$j]['cat_id'] == $category_rows[$i]['cat_id'] && $is_auth[$forum_rows[$j]['forum_id']]['auth_view'] )
//					{
							// Begin Simple Subforums MOD
							$id = $forum_rows[$j]['forum_id'];
							// End Simple Subforums MOD
						$selected = ( $forum_rows[$j]['forum_id'] == $match_forum_id ) ? 'selected="selected"' : '';
						$boxstring_forums .=  '<option value="' . $forum_rows[$j]['forum_id'] . '"' . $selected . '>' . $forum_rows[$j]['forum_name'] . '</option>';

						//
						// Add an array to $nav_links for the Mozilla navigation bar.
						// 'chapter' and 'forum' can create multiple items, therefore we are using a nested array.
						//
						$nav_links['chapter forum'][$forum_rows[$j]['forum_id']] = array (
							'url' => append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=" . $forum_rows[$j]['forum_id']),
							'title' => $forum_rows[$j]['forum_name']
						);
            
            						// Begin Simple Subforums MOD
						for( $k = 0; $k < $total_forums; $k++ )
						{
							if ( $forum_rows[$k]['forum_parent'] == $id && $forum_rows[$k]['cat_id'] == $category_rows[$i]['cat_id'] && $forum_rows[$k]['auth_view'] <= AUTH_REG )
							{
//							if ( $forum_rows[$k]['forum_parent'] == $id && $forum_rows[$k]['cat_id'] == $category_rows[$i]['cat_id'] && $is_auth[$forum_rows[$k]['forum_id']]['auth_view'] )
//							{
								$selected = ( $forum_rows[$k]['forum_id'] == $match_forum_id ) ? 'selected="selected"' : '';
								$boxstring_forums .=  '<option value="' . $forum_rows[$k]['forum_id'] . '"' . $selected . '>-- ' . $forum_rows[$k]['forum_name'] . '</option>';

								//
								// Add an array to $nav_links for the Mozilla navigation bar.
								// 'chapter' and 'forum' can create multiple items, therefore we are using a nested array.
								//
								$nav_links['chapter forum'][$forum_rows[$k]['forum_id']] = array (
									'url' => append_sid("viewforum.$phpEx?" . POST_FORUM_URL . "=" . $forum_rows[$k]['forum_id']),
									'title' => $forum_rows[$k]['forum_name']
								);

							}
						}
						// End Simple Subforums MOD
					}
				}

				if ( $boxstring_forums != '' )
				{
					$boxstring .= '<option value="-1">&nbsp;</option>';
					$boxstring .= '<option value="-1">' . $category_rows[$i]['cat_title'] . '</option>';
					$boxstring .= '<option value="-1">----------------</option>';
					$boxstring .= $boxstring_forums;
				}
			}
		}

		$boxstring .= '</select>';
	}
	else
	{
		$boxstring .= '<select name="' . POST_FORUM_URL . '" onchange="if(this.options[this.selectedIndex].value != -1){ forms[\'jumpbox\'].submit() }"></select>';
	}

   // Let the jumpbox work again in sites having additional session id checks.
//   if ( !empty($SID) )
//   {
      $boxstring .= '<input type="hidden" name="sid" value="' . $userdata['session_id'] . '" />';
//   }

	$template->set_filenames(array(
		'jumpbox' => 'jumpbox.tpl')
	);
	$template->assign_vars(array(
		'L_GO' => $lang['Go'],
		'L_JUMP_TO' => $lang['Jump_to'],
		'L_SELECT_FORUM' => $lang['Select_forum'],

		'S_JUMPBOX_SELECT' => $boxstring,
		'S_JUMPBOX_ACTION' => append_sid($action))
	);
	$template->assign_var_from_handle('JUMPBOX', 'jumpbox');

	return;
}