Category list, main category expands unexpected

-- url of the page with the problem -- : www.ijzerwarenmarkt.nl/index.php/hikasho...category/22-verzinkt
-- HikaShop version -- : 2.2.1
-- Joomla version -- : 3.03
-- PHP version -- : x.x.x
-- Browser(s) name and version -- : IE 8 Firefox 21
-- Error-message(debug-mod must be tuned on) -- : Error_message

hi,

there are several product-categories in my webshop. I show them in a category list. There are 4 main categories with subcategories.
when i click on a subcategory in the 2nd or 3rd maincategory, the first maincategory is also expanded. This is not desired, only the active category should be opened.
Can you help me with this problem?

thank you,

regards,
Gerard

Hi,

I think that there is something duplicated, for example an id.
Have you already edited anything about this module ?

Thanks to give us a test account to see that in action, and see the html code.