I need a discount coupon code added into my registration form. It is a joomla website and I am using ChronoEngine's Chronoforms for the form creation. It is already integrated with paypal pro. I need the user to be able to enter a coupon code (referenced from the form's database) to be validated and then have the amount field discounted properly based on the code entered.
I need this project completed within the next 48 hrs. Joomla experience required, Chronoform experience prefered. The website is under construction, but the current form is viewable at [url removed, login to view]