Bubble Graph in JQuery

Does anyone know of a jquery plugin which can create a bubble graph?

Here's what it needs to look like:

http://www.bellschofield.eu/index.php

I've been using JS Charts but that is only capable o开发者_如何学Pythonf producing Pie/Line/Bar.

Any ideas?

Many thanks

Maybe http://raphaeljs.com/ with http://g.raphaeljs.com/

(Not jQuery)

You can use jqChart jQuery Plugin