public class ImageButton extends JButton {
                public ImageButton(ImageIcon icon) {
                        setSize(icon.getImage().getWidth(null),
                                icon.getImage().getHeight(null));
                        setIcon(icon);
                        setMargin(new Insets( 0 , 0 , 0 , 0 ));
                        setIconTextGap( 0 );
                        setBorderPainted(false);
                        setBorder(null);
                        setText(null);

                }
        }