In first post I have written https://test.authorize.net/gateway/transact.dll because I was using TEST mode.
In second post I have written https://secure.authorize.net/gateway/transact.dll because I was using PRODUCTION mode.
Please give me link for Authorize.net AIM module because I can't find it http://www.oscommerce.com/community?contri...mp;category=all
or this module are situated here http://www.oscommerce.com/community/contributions,725/ ?