GraphicsObject elp1 = new Oval( new Point2D( 50, 50 ), new Size2D( 30, 16 ) );
((Oval)elp1).setColor( new Color( 255, 0, 0 ) );
GraphicsObject elp2 = new Oval( new Point2D( 300, 300 ), new Size2D( 30, 16 ),
new Color( 255, 0, 0 ) );
GraphicsObject cur = new BezierCurve( new Point2D( 65, 58 ), new Point2D( 315, 108 ),
new Point2D( 315, 208 ), new Point2D( 315, 308 ),
new Color( 255, 255, 0 ), 100 );
Network network = new Network();
Network.Node n1 = network.new Node( new Oval( new Point2D( 100, 100 ), new Size2D( 30, 15 ) ) );