zosojp on "[Plugin: Wordpress Picture / Portfolio / Media Gallery] Filter doesn't work"

Hi,
I installed this amazing plugin...but filter doesn't work like in the demo
at link:

http://demo.nimble3.com/nimble-portfolio/default-skin/

why?
sorry for my question and bad english!

Andrea

https://wordpress.org/plugins/nimble-portfolio/

I just buy Isotope Addon, i create a new shortcut with Ajax Filtering…but it doesn’t work.
When i click on a element of filter, it redirect to a page with all element with that taxonomy.

It changes the page…but i want it doesn’t a reload…

Nothing like this:

http://demo.nimble3.com/nimble-portfolio/

WHY???