Team Gravity,
I'm hoping to get some help on how to implement a percentage discount code hack using a javascript option that I found on PayPal's development site. While this is designed to use hidden os0 and os1 values passed through a custom payment button, I've got to think there would be a way to mimic the behavior, just not sure how to implement it.
Here's the script:
and the corresponding buy now button code:
BTW - I've spent the better part of today looking through the forum and the gf hooks suggested by Carl to accomplish this, but without guidance on where to insert new or modify exisitng code, I'm really at a loss.