Need a modification to OpenCart to perform a square footage calculation on flooring prior to adding an item to a cart. Every item in the store is some type of flooring and the calculation needs to be performed on every item as a means to entering into the cart.
Example would be on this site/page: [url removed, login to view]
This is a quick turnaround project and the successful bidder needs to be available on skype.
We hope to find a freelancer that we can work with on a long term basis as we have several shopping cart projects that have been sold.