This was a fun example of playing with the gRaphael charts from http://g.raphaeljs.com/

I ran across http://raphaeljs.com and it looked very appealing/impressive, so I thought I’d try it out. Raphaël is a JavaScript Vector Library that allows cross-browser drawing and animation of vector shapes dead simple. All you need to do to use it is to reference the raphael.js file in the head section of your HTML document [...]