How is this coded ?

What should I do to make a page like this, I mean to make the number increasing like this?

http://nationalpriorities.org/index.php?option=com_wrapper&Itemid=182


Thanks for the help.

 

http://costofwar.com/costofwar.js

 

Actually here are some instructions for that exact counter:

http://costofwar.com/embedinstr.html

 

Thanks MT. Would the way for me now br to experiment with the js file as I don`t want that war numbers ? I want to make my own stuff. Like how many children are born in the time it takes me to drink a cup of tea