Products on Same category

Hello fellow developers,

I would like to have a block in the product page wherein products of the same category (of the current product being viewed) will be displayed. Products, however should by grouped according to its “Manufacturer” or “Brand”. I have attached an image of what I have in mind to implement in cscart.

I came across with this add-on at the forum

It can display the list of products on the same category. Now I am trying to tweak it out so I can group the products by “manufacturers” but no luck so far. So, I decided to bring this up here. :)

Does anyone have any idea on how could I implement this on cscart? Your help will be very much appreciated.

Screen shot 2013-06-05 at 11.46.46 AM.png