Simple AI script example

Hello, I want to show for my high school class a AI script for the web in a very simple way using javascript and html5 to show the result. Very simple grafics(you can use even dot to represent the moving object) because the most important is the script itself and to be very well commented( to explain better). Here's what I need: The owner of a supermarket wants to monitor the progress of the rows of boxes of its establishment to do so, I would like to display on screen the evolution of the queues. The supermarket has 10 boxes, but only two are open at the beginning of the day. To control the opening of a new box, the owner establish the following rules: 1. Each box can have a row in a maximum of 10 clients; 2. Each box can not exceed 30 minutes of attendance in the queue. 3. Each client receives randomly a service time, which varies between 1-7 minutes. 4. To open a new box is necessary to the occurrence of item 1 and 2 or 1 or 2. 5. The number of customers varies by office hours, namely: From 8am to 12pm -> a client every six minutes 13 to 14h -> 3 clients every 6 minutes From 15 to 18h -> a client every six minutes Of course you'll use a lot of random methods but inside the limits said above. And that's it! I need this until sunday(to show on monday).