Sorry to have to raise this again but the original post (and solution) disappeared from the forum before I had the opportunity to implement it.
The "Back" button on the Checkout Confirmation page does not work - the CC page remains in view.
Please check you posts. There was a resolution to you post before:
http://forum.abantecart.com/index.php/topic,1153.msg4518.html#msg4518
I did check my posts but this one was not showing - thank you.