Umm... have you asked in GoLive forums? This is more the type of forum to say:
I tried this: [xxxxxx], and the result was: [xxxxxx], but I wanted this: [xxxxxx]. What did I do wrong...
I'm not familiar with it, but it's probably not the best/most-secure online-shop out there. Have a look at CubeCart or osCommerce. They're free and are "great" cart scripts.
~Brett