private function _getInPageTabNavigationBar(array $aTabs, $sActiveTab, $sCurrentPageSlug, $sTag)
{
$_oTabBar = new AdminPageFramework_TabNavigationBar($aTabs, $sActiveTab, $sTag, array('class' => 'in-page-tab'), array('format' => array($this, '_replyToFormatNavigationTabItem_InPageTab'), 'arguments' => array('page_slug' => $sCurrentPageSlug)));
$_sTabBar = $_oTabBar->get();
return $_sTabBar ? "<div class='admin-page-framework-in-page-tab'>" . $_sTabBar . "</div>" : '';
}