source: extensions/edit_gmaps/admin/admin.php

<?php 
if (!defined('PHPWG_ROOT_PATH')) die('Hacking attempt!');
include_once(PHPWG_ROOT_PATH.'admin/include/tabsheet.class.php');

$template->set_filename('plugin_admin_content', dirname(__FILE__).'/admin.tpl');

if (!isset($_GET['tab']))
  $page['tab'] = 'edit';
else
  $page['tab'] = $_GET['tab'];
 
   $page['tab'] = 'edit';
$my_base_url = get_admin_plugin_menu_link(__FILE__);

$template->set_filenames(
      array('batch_manager_global' => 'batch_manager_global.tpl',        
            'tab_data'=> dirname(__FILE__).'/admin_'.$page['tab'].'.tpl'
            ));

include_once( dirname(__FILE__).'/admin_'.$page['tab'].'.php'); 
$template->assign_var_from_handle( 'BATCH_MANAGER_GLOBAL', 'batch_manager_global');
$template->assign_var_from_handle( 'TAB_DATA', 'tab_data');
$current  =  $template->get_template_vars('BATCH_MANAGER_GLOBAL');  
$template->concat('TAB_DATA', $current);  
;



$template->assign_var_from_handle( 'ADMIN_CONTENT', 'plugin_admin_content');
?>