public void UpdateMenu( )
{
titleMenu.SetEnabled(TITLESCREEN_STATE == Constants.MENU_TITLESCREEN);
levelMenu.SetEnabled(TITLESCREEN_STATE == Constants.MENU_LEVELSELECT);
optionsMenu.SetEnabled(TITLESCREEN_STATE == Constants.MENU_OPTIONS);
creditsMenu.SetEnabled(TITLESCREEN_STATE == Constants.MENU_CREDTIS);
enabledMenu = titleMenu.IsEnabled( ) ? titleMenu : enabledMenu;
enabledMenu = levelMenu.IsEnabled( ) ? levelMenu : enabledMenu;
enabledMenu = optionsMenu.IsEnabled( ) ? optionsMenu : enabledMenu;
enabledMenu = creditsMenu.IsEnabled( ) ? creditsMenu : enabledMenu;
Menu.SetInputs(Constants.PLAYER_1_ID, enabledMenu.GetFirstButton( ));
}