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

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

(Not jQuery)

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You can use jqChart jQuery Plugin