SELECT isnull(O_NewUrl, '') as O_NewUrl FROM Old_New_Url Where O_OldUrl = 'http://us.oregonscientific.com:80/chameleon/' or O_OldUrl = 'http://us.oregonscientific.com/chameleon/' or O_OldUrl = 'http://us.oregonscientific.com:80/chameleon//' or O_OldUrl = 'http://us.oregonscientific.com/chameleon//'