public static function is_d1nation($country)
	{
		$d1nation = false;
		if ($country)
		{
			if (!($gdb = self::getGeoDBO()))
			{
				return $d1nation;
			}

			$gdb->setQuery("SELECT COUNT(*) FROM countrygroup WHERE LOWER(countrycode) = LOWER(" . $gdb->quote($country) . ") AND countrygroup = 'D1'");
			$c = $gdb->loadResult();
			if ($c > 0)
			{
				$d1nation = true;
			}
		}
		return $d1nation;
	}