Existing osCommerce Website Function Update

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I would need to update functions for existing osCommerce website page:

-- Product detail page function update and design:

Current page: http://www.yacanna.com/vegas-wedding-favors-kind-playing-cards-p-269.html
Would like to update current to this page : http://www.beau-coup.com/personalized-playing-cards.htm

some functions needed: -- control minimum order quantity.
-- Take left category navigation out, make the image bigger
-- Product detail section change to tab design; another example can be http://evacuumstore.com/p-197-power-team-perfect-canister-vacuum.aspx
-- Product Options is more dynamic

( We have a lot of products with personalization; Would like to make the backend Data entry for new product process easier !!)

-- Functions for checkout process:

Bug fix: Current during "Checkout as guest" process, (https://www.yacanna.com/login_checkout.php) The customer's information and email address is saved in the database; Therefore when the customer come back and re-order with the same email address, It will have error "The email address is already in database"

Take left category navigation section out during checkout pages.

We would like to have this project done before December 25th;
-- I would prefer someone speak English and located in United States.

If you are interested and capable completing this project,, Please send few of your sample webpages very similar to the project.

Skills required:
HTML, MySQL, OSCommerce, PHP
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