Adding eCommerce to existing Website

We are a womens knitwear apparel company looking to expand into e commerce. We have a new website that was launched about six months ago. We would like to add a section where our customers can purchase our product online. ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). eCommerece options: • Unlimited Product Categories and Sub-Categories • Shopping cart (Unlimited Number of products) • Multiple product images • Secure checkout pages (SSL Lock integrated and encrypted) • User Accounts / User Login • New Products Section • On Sale Section • Tell a Friend Section (Where customers can send an email to a friend and recommend a product instantly) • Suggested products and cross selling • Coupon codes • Custom Product Options and Attributes (e.g.: Color, Size, Etc.) • Shipping Options (UPS, FEDEX, & USPS with real-time pricing) • Payment Processing (Accept all major credit cards and Paypal) • About Us • Contact Us • Privacy Policy • Shipping & Returns • Terms & Conditions Administration options: • Web Based Administration • Complete Website Content Management • View page content • Add page content • Change page content • Product Management • Manage product images • Add products images • Delete products images • Manage product descriptions/text • Order Management • Order status with automatic email notifications • Customer Management ## Platform We use both Mac and PC. For Mac our system is OSX and for PC our system is Windows XP.