532674 Camscript modification

I need some modifications on camscript [login to view URL] Create GROUPCHAT : Group chat (with a customisable rate-per-minute) - Similar to the private 1on1 chat, there should be a private 'group' chat facility, whereby viewers can press a button in the chat window to express the desire to use group chat (and on doing so they are prompted with a cost per minute). The model has chosen a number required for a group chat. Members see the remaining number before launch the group chat. When this number is reached, those users opted in will be informed, and charged at the defined rate per minute. Before the number is reached, every member can launch a 1on1 private chat. And other modifications.