lt="Go back up one level"/></a></h2>
      
        <p>The second subfunction we will look at, <code>updateInterface</code>, uses the
            current selections to update the interface. This uses the structure
            "data" to update various parts of the interface. For this simple example this just means:
        </p>
        <p><b>1. Update the selected item in the listbox</b></p>
        <example><pre style="background-color: #eeeeff; margin-left: 20px; margin-right: 20px"><font color="#000011">s