How to - Javascript website -Comarch ERP

Hi,

I have problem with b2b site, where you can't have access, but I show screenshots.

I don't know how to setup correctly to show all products.
Link is the same for whole site and categories.
I need to click for main category "Rowery"


and here I have table with products which I want to catch to xml. This category have button prev/next - I don't know how many sites is here.

Do you know how to do it ?

I checked click by link - itsn't working - link is one per whole website
I checked click element, but when I clicked main category I don't know how to setup correctly to click on main category and here how to setup next as many as it's possible.