2 navigation layers

I need to re-theme this site: http://www.totallifecounseling.com/ But I plan to use this theme which does not have multiple layers of navigation, it only has 1 at the top. http://themeforest.net/item/udesign-wordpress-theme/253220 I am also willing to use this theme, but it also does not have 2 layers of navigation above each other.

Will this plugin work with either of these themes so that I can get 2 layers of navigation menus on the top both with multiple levels underneath as it is on this site? http://www.totallifecounseling.com/ Also, are you going to continue to update it to keep up with wordpress?

So, what I mean to say, it can I have 2 separte man nav menues with this?

http://ww.wp.xz.cn/plugins/jquery-mega-menu/