OK - sorry about that - my mistake. I seem to recall that twerppoet had a way of doing this - hopefully he'll post his idea and I'll spend some time searching for his post....
you'll need to do some more research (in apple's web site help). i cant remember the location, but i know all your itunes/apple online accounts info can be accessed and changed/viewed by yourself via normal web browsing. i've needed to do it a few times.
Thanks. I have searched and have no problem logging into my store account and looking at my account information. Unfortunately I've not found where it lists my purchase.