var b1:BitmapData = new BitmapData( main.room.width + 2 , main.room.height + 2, true, 0x000000 );
	b1.draw( main.room );
	
var b2:BitmapData = new BitmapData( main.spots.width + 2, main.spots.height + 2, true, 0x000000 );
	b2.draw( main.spots );
	
var b3:Bitmap = new Bitmap( b1 );
var b4:Bitmap = new Bitmap( b2 );