e>
            <para>Try hiding the panel</para>
            <pre style="background-color: #eeeeff; margin-left: 20px; margin-right: 20px"><font color="#000011">set( panel, 'Visible', 'off' );</font></pre>
            <p style="background-color: #ddddee; margin-left: 20px; margin-right: 20px"><font color="#000022"><center><img src="Images/VisibleExample3.png"/></center></font></p>
        </example>
        <example>
            <para>Try showing the panel. Note that the original <code>Visible</code> state 