OSCommerce / JS expert - urgent

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

Project Description:
I have three issues:-

1.Update the shipping JS so it actually works correctly via AJAX and updates the page / posts the correct values
2. I'd like to add a custom field (piece of data) to the shopping cart order confirmation page
3.Display that custom field we saved on the final order page on the customer account history, and email confirmation

Urgent and those with experience with OSCommerce and JavaScript.

Skills required:
AJAX, Javascript, jQuery / Prototype, OSCommerce, PHP
About the employer:
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