How to stop category menu showing more than 2 levels deep?

Hi,

Can somebody please tell me where I can modify the category list on the left to stop it show any levels deeper than 2. For example.

If I have a menu structure such as:
Dog -> Black Dog -> Big Black Dogs
Small Black Dogs
Rabbit -> Our Rabbits
Cat - Our Cats

I would want to be able to see not see the last level (or any further), although the main category selection images would still show big black dogs and small black dogs (in the middle).

Sorry if that makes no sense, it's been an extremely long day! Just tell me and I'll try elaborate.

Modify \opencart_v1.4.7\catalog\controller\module\category.php

Find these codes, and remove.

Hi, thanks - thats very close (it doesn't display any children), however I'd like to display the first level child, just no further.

There is a way to do so..
change to
if the parent if top(parent_id=0), show the sub catalog, and also show the current subcatalog.

Hi! I have a problem. If i change the code like this the menu shows the main category and the first subcat (they are directly visible), but if i click on the subcat it shows me the second one that i don't want. Why?
I need to have only the main category directly visible in menu and if i click, i want to appear the first subcat, and stop. I don't want the second one if i click on the first subcat.
Is it possible?

Thanks very much!

Hi everybody,
how to make visible 2nd or 3rd level only in side categories?

I have now:
Man --> Shoes --> Classic

I'd like to show:
Shoes --> Classic

I have v1.5.1.3, thanks!