Copy top bar carousel from other site


On another WP multisite, they have a top bar on their sites (like here: where all heir blogs are listed, in a carousel.
I have tried to create a copy of it here: - but i can't get it to work.
The top bar on also show the current blog, you are visiting, and then i noticed that they're using an modified version of a plugin called "jQuery Carousel Plugin". The modified version looks like this:

I don't know how i can get it to work..