this.createEmptyMovieClip("square_mc", this.getNextHighestDepth());
square_mc.beginFill(0xFF0000);
square_mc.moveTo(10, 10);
square_mc.lineTo(120, 10);
square_mc.lineTo(100, 100);
square_mc.lineTo(-10, 100);
square_mc.lineTo(10, 10);
square_mc.endFill();