BuddyPress.org

I am currently trying to customize the nav bar in my wordpress site. All of my pages are top links and its cluttering up the navigation, I want to take some of the pages and put them under a child object called community. So when people put their cursor over community it shows a drop down menu with the following pages Members, Groups, Activity, and Links. Im not much of a developer so any help would be appreciated. The site can be seen at ericaangels.org thanks.