Can I use Forms Authentication with reporting services?

Hello, In my application I can configure if the user need to use forms or activde direcory, there may be customers that dont have active directory so Must make a login form, the question is how can I integrate forms authentication with reporting services?Yes, see the link below for a sample: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnsql2k/html/ufairs.asp

Thanks
Tudor