web design - t-shirt design

similar in function to www.customink.com. Products and Lab are essential parts of project. Must be expandable in products section. Inital set-up is to be for 3 products (t-shirts, pocket t-shirts, sweatshirts). Approximately 15 colors per product (each color must be represented and named). Color of sample shirt to change when color is clicked. Lab section to be able to give realistic representation of what t-shirt is to look like before printing - including proportional size on shirt, color, and orientation on shirt. Front, back and sleeve imprints are essential options. Color of shirt (background) to change if product color changes. Home page and shopping cart should be included also (canned shopping cart acceptable).