public static function calendar()
	{
		if (isset(self::$loaded[__METHOD__]))
		{
			return;
		}

		/*$tag = App::get('language')->getTag();

		$translation = self::_calendartranslation();
		if ($translation)
		{
			App::get('document')->addScriptDeclaration($translation);
		}*/

		Asset::stylesheet('assets/jquery.datepicker.css', array('media' => 'all'), true);
		Asset::stylesheet('assets/jquery.timepicker.css', array('media' => 'all'), true);

		self::framework(true);

		Asset::script('assets/jquery.timepicker.js', false, true);

		self::$loaded[__METHOD__] = true;
	}