ActionScript 3.0 :: Composite Menu - Submenu Not Disappearing On Mouseout

I'm creating a menu from XML. It will be able to traverse over the XML recursively (so n-levels deep). The menu itself is a composite -- each node in the menu, either a menuList or menuItem, is a menuComponent. menuComponent is more-or-less an abstract class so they all inherit and override a draw() function. If the object is a menuList, then it has a Sprite container to hold all of it's children. I did this so it would be easy to add and remove all of it's children by just adding and removing a container that holds all of them.

The issue I'm having is with the event listeners. I am adding a mouse_over event to a button. The button is within a Sprite container. When I mouse over the button, I'm adding the submenu into the buttons container. The problem comes when I mouse out of the button. I've gotten the submenu to stay but not disappear on mouse_out OR it appears when I'm over the button but disappears as soon as I exit it. I THOUGHT if I attach the mouse_out listener to the container, it would work because the container should expand when I add the submenu into it.

ActionScript Code:
package as3 {
import flash.display.DisplayObjectContainer;
import flash.display.Sprite;
import flash.events.ErrorEvent;
import flash.utils.getDefinitionByName;
[Code] .....