Current & Previous

public function subMenuSelection():void
        {

            previousSubMenu = currentSubMenu;
            if(currentSubMenu != null)
            {
            myDoc.removeChild(previousSubMenu);
            previousSubMenu = null;
            //trace("removed");
            }

            if(currentButton.name == "ScoreCard"){

                currentSubMenu = new ScoreCardSubMenu();
                //trace("Search button selection");
                myDoc.addSubmenu(currentSubMenu);
                myDoc.addSubMenu(ScoresMenu);


            }
            else if(currentButton.name == "Point Shop")
            {
                //trace("Pointshop button selection");
                currentSubMenu = new PointShopSubMenu();
                myDoc.addSubmenu(currentSubMenu);
                myDoc.addSubMenu(PointShopMenu);


            }
            else if(currentButton.name == "Search")
            {
                //trace("ScoreCard button selection");
                currentSubMenu = new SearchSubMenu();
                myDoc.addSubmenu(currentSubMenu);
                currentSubMenu.alpha=0;
                myDoc.addSubMenu(SearchMenu);

            }
            else if(currentButton.name == "Testing")
            {
                //trace("Playbook button selection");
                currentSubMenu = new TestingSubMenu();
                myDoc.addSubmenu(currentSubMenu);
                myDoc.addSubMenu(TestsMenu);
            }
            else if(currentButton.name == "Playbook")
            {
                //trace("Playbook button selection");
                currentSubMenu = new PlaybookSubMenu();
                myDoc.addSubmenu(currentSubMenu);
                myDoc.addSubMenu(PlaybookMenu);
            }

            else
            {
                //trace("account button selection");
                currentSubMenu = new AccountSubMenu();
                myDoc.addSubmenu(currentSubMenu);
                myDoc.addSubMenu(AccountMenu);
            }

        }