= $i)
		{
			if ($i == 0)
				$eBayCategoryListLevel = Db::getInstance()->ExecuteS('SELECT * FROM `'._DB_PREFIX_.'ebay_category` WHERE `level` = 1 AND `id_category_ref` = `id_category_ref_parent`');
			else
				$eBayCategoryListLevel = Db::getInstance()->ExecuteS('SELECT * FROM `'._DB_PREFIX_.'ebay_category` WHERE `level` = '.(int)($i + 1).' AND `id_category_ref_parent` IN (SELECT `id_category_ref` FROM `'._DB_PREFIX_.'ebay_category` WHERE `id_ebay_category` = '.(int)($_GET['level'.$i]).')');
			if ($eBayCategoryListLevel)
			{
				$levelExists[$i + 1] = true;
				echo ' ';
			}
		}
	if (!isset($levelExists[$_GET['level'] + 1]))
		echo '';
}
else
	echo 'ERROR';