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	Class	Description
	Button	Button is a simple button with three images and four actions: over, down, up and out.
	ScrollArea	ScrollArea is a sprite with scrollbars around a cropped area.
	TileArea	TileArea is a Bitmap object that will tile a given bitmapData across it's width and height.
	TileBar	TileBar is a bar that tiles in x or y.
	Window	Window is a class that provides a draggable rectangular display area, with scrollbars for overflow.