private void showAboutPanel()
    {
        String html = MessageFormat.format(resources
                .getString("dialog.about.text"), new Object[]
                { resources.getString("version.id") });
        String[] props = { "java.version", "java.vendor", "java.home", "os.name", "os.arch", "os.version", "user.name", "user.home", "user.dir" };
        html += "<table border='1'>";
        for (String prop : props)
        {
            try
            {
                String value = System.getProperty(prop);
                html += "<tr><td>" + prop + "</td><td>" + value + "</td></tr>";
            }
            catch (SecurityException ex)
            {
                // oh well...
            }           
        }
        html += "</table>";
        html = "<html>" + html + "</html>";
        JOptionPane.showMessageDialog(this, new JLabel(html), resources
            .getString("dialog.about.title"),
            JOptionPane.INFORMATION_MESSAGE);
    }