I have a client that wants a shopping cart for thier website, I would like to try it in flash. I have only done a few projects up to this point, but I feel up to the challenge. But what I want to know is this, what requirements will I need to have/meet before I get myself into this. Security/Database/PHP/ColdFusion/Credit Card Authentication... anything, what do I need to know before I try and do this. Any suggestions that would help me along my way?

The best formats I have found for a Flash Shoping Cart of been these

http://www.macromedia.com/desdev/mx/blueprint/
http://www.flashkit.com/movies/Appli...6726/index.php
http://www.macromedia.com/desdev/mx/...onfig_app.html