Basically the
HEX number on a Tamagotchi is the item's number. Each item has it's own number but it's in Hexadecimal format.
I used a
packet sniffer to see what webpages TamaTown accesses and took at a look at them. When you're changing areas in TamaTown and it says Loading, your computer downloads the webpage/flash movies and you don't know what files loading. The packet sniffer tells me the names of the files.
One file had most of the items (there's some not listed) and their numbers. Usually the item numbers go in numerical order. In hex, numbers start from 0-9 then A B C D E F.
I found out that it accesses another script that takes your User Name and Password and creates logout passwords. You can type in how much GP you want (up to 9900) and what items you want (up to 10 items), after that it'll generate you the passwords like the ones you see when you logout but in plain text.
I can create a tutorial later to show you how it worked.