[Plugin: Dropdown Menu Widget] Show only subdirectories

Hi, can anybody help me out here…

I’m looking for a solution which would show only “subcategories” of selected “category” in a menu.

I would like to put this on the top of page with a template tag, so I guess the function of the plugin should be modified…

Anybody?

Thanks!

http://wordpress.org/extend/plugins/dropdown-menu-widget/