break;
    case 'update_module':
        $module_manager->update_module($_GET['ID']);
        $ytemplate->set_name('tpl_index.php');
        break;
    case 'install_modules':
        $modules = $module_manager->list_modules();
        $installed_modules = array();
        if (is_array($modules)) {
            foreach ($modules as $module) {
                $installed_modules[] = $module['module_code'];
            }
        }
        $new_modules = $module_manager->get_new_modules($installed_modules);
        foreach ($new_modules as $new_module) {
            $module_manager->set_module($new_module);
            $module_manager->upgrade_module();
        }
        $ytemplate->set('counter', count($new_modules));
        break;
}
?>
<!doctype html public "-//W3C//DTD HTML 4.01 Transitional//EN">
<html <?php 
echo HTML_PARAMS;
?>
>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=<?php 
echo CHARSET;
?>