Subcatagory

Hi, sorry for bumping an old thread, i've used the method posted by SuporteOn and it works perfectly, so I now have the following in my left column menu:

Category
- Sub cat
- Sub cat

etc.

Is there any way to make it so hovering on the sub cats brings another layer of categories?

http://www.sahibinden.com/en/

show all subcategory ? How can such a left menu