if (_panel!=null) {
squarePanel.remove(_panel);
backgroundPanel.remove(squarePanel);
}
_panel = new SkeletonPanel(this, false);
_panel.load(new SimpleSkeletonTable());
squarePanel = new JPanel();
squarePanel.setLayout(new SquareLayoutManager());
squarePanel.setOpaque(false);
backgroundPanel.add(squarePanel, BorderLayout.CENTER);
squarePanel.add(_panel);