JLabel icon = new JLabel(new ImageIcon(this.getClass()
.getResource("/images/button-ok.png")));
icon.setToolTipText("Cerrar");
icon.removeMouseListener(null);
icon.addMouseListener(new Cerrar(frame, message_));
JLabel text = new JLabel(texto);
text.setBackground(Color.WHITE);
text.setForeground(Color.BLACK);