eCart - checkout page form field persistence after advancing to confirm page - then going back to checkout page
I built my ecommerce checkout with eCart5
The checkout process is as follows:
cart page (cart/index.php)
checkout page (cart/checkout.php)
confirm page (cart/confirm.php)
checkout success / checkout failure page (cart/checkout_success.php, cart/checkout_failure.php)
Issue - If I have added to cart, filled out the checkout page and proceeded on to the confirm page, but them decide to go back a step to the checkout page, all the form fields in the checkout page need to be re-entered. How do i get them to retain?
Attached are my checkout and confirm pages. I noticed on the confirm page, session values are set from the checkout form post vars, but not sure how to pull them back in. My init values on the checkout page are set to the validated entries currently.