Hi, I have an idea for your proyect!! I've seen you already have the chatroom and what you need is the script that calculates the price depending on the gender user's ratio.. So, first I can make the pricing function in PHP, just with a range of price for each time of chat, for example, 15 minutes of chat costs between 10 and 20 dlls, the PHP function will increase the cost until 20 dlls if the ratio of boys is higher, and so on, 10 dlls if the ratio of boys in the chat is less (it can be any price between this quantities depending on the gender ratio of the chat) and so on for the other times to chat you especify. Second, I can add a simply Javascript timer to your chat that counts down the chating time buyed and when it's over it will let the guy connected but he won't be able to continue writing messages until he buy more chating time. This is thought to create interest in the guy for buying more time and continue chating without being tedious =) What do you think of this? Else we can add a count down timer so the user can see how many time has left for chating !! Have you a better idea? Let me do this job and you won't be disappointed =D