add filter function (isotope.js) to a masonry layout

I have a template wich is using masonry. now i would like to add a filtering system ([login to view URL]) if some one can do it, knows what masonry and isotope is. it a simple work, but not for me, i am bad with jquery the layout is simple, 3 columns, the thumbs are same size. see here: [login to view URL] you can use the whole web project as zip feel free to contact me per email: stuff [at] aravision . de