i am slightly confused, i get the bit about the register part of member.php but not how it would work.

someone goes to my friend's site and submits say username, password and email. There script deals with the stuff in whatever way it does.

but then how do i get that information into my database as well? do you mean they should get their script to send to my script instead of a thank you page with the info along with it? (how would this work in the form of signup.php?name=sfsdf&password=sdfdsfsdf&emailnoti fication=y etc?

it is that bit i don't really know how to do, how to get a form submitted to one script and then that script submit a form automatically to another.