Online countdown timers solution

I need an online multiple timer countdown solution. Has to work like a website, but look similar like the image attached. There has to be 10 counters that will count down from 15 minutes. You need to be able to start and reset this timer. When the timer counts down, it would be great if it could start blinking or something, so that you can see easily. Each timer also needs to have some extra options. Basicly this is to time people using a spa. Person starting the timer, needs to choose how many people there are in at one time (1 or 2), if there is any discount (needs to write a number) or if there is any special message about that client (custom text) Here is the important part: each timer action is marked in a database. When the person starts the timer, this is written in mysql database. Database consists of start time, timer number, how many persons there are (1 or 2), possible discount and custom text imput. Each day there needs to be automatical mail sent from the system to specified email address with statistics of the day. Statistics need to include how many time an aquarium was used, calculate income per aquarium and total income. Also, it has to attach all the raw data from the database in a text file. I have server running CentOS 5.0 for this. Anything you need on the server can be set up no problem.