public static function render()
{
$t = clone self::getInstance()->template;
$t->setFile(APP_DIR . '/templates/admin/layout.phtml');
$t->header = self::renderHeader();
$t->panes = self::getInstance()->panes;
$t->footer = self::renderBottom();
$t->topMenu = self::renderTopMenu();
$t->flashes = Page::getFlashes();
// $t->leftHolder = self::renderLeftHolder ();
$t->contentHolder = self::renderContentHolder();
// print_r($t);
echo $t->render();
}
