In Over My Head

I have taken my first “big” website job of creating an online store for a company. They are looking to mimic one of the two websites or

I have ALOT OF experience with creating websites through Flash, Dreamweaver and ImageReady and I want to figure out how to configure a shopping cart into a create Flash Website. I purchased the Shopping Cart at and was hoping to build with that.

Basically, if anyone can give me any advice as to how I should go about starting the process of a shopping cart website, that would be great. I just need a little jump start and can normally trial & error my way through the rest. Thanks.