Web passwords

[piedral]

I am working on a website and would like to know if there is a way to give people passwords, that will automatically direct them to their FMP5 database.

Example: someone enters site and clicks members only, a dialog box appears requesting user name/password - if information matches the fmp database, it will then open the database that corresponds with the users name/password.

I would be working with a number of users and databases, therefore I would like to hide databases not belonging to user/password.

Thanks...