def __init__(self, size, caption=None):
Window.__init__(self, size, 'OmniTank Menu')
self.background = GameData.image(MAIN_BGD_IMG)
button_image = GameData.image(BUTTON_IMG)
self.start_button = Button(MM_START_BTN_POS, button_image, self.buttons)
self.instructions_button = Button(MM_INSTUC_BTN_POS, button_image, self.buttons)
self.highscores_button = Button(MM_SCORES_BTN_POS, button_image, self.buttons)
self.quit_button = Button(MM_QUIT_BTN_POS, button_image, self.buttons)
self.instructions_window = InstructionsWindow(size, 'OmniTank Instructions', self)
self.high_scores_window = HighScoresWindow(size, 'OmniTank High Scores', self)
#self.color_choice_window = ColorChoiceWindow(size, 'OmniTank Color Choice', self)
GameData.setMusicVolume(MUSIC_VOLUME)
GameData.startMusic(BGD_MUSIC)
