// Make a navigation bar.
  function makeMenuOld()
  {

    // Create useful variables.
    $nItems = "<!-- Start of navigation. -->\n\n";
   
    // Iterate through every top-level item.
    $nITop = scandir( 'pages' );
    for ( $a = 2; $a < count( $nITop ); $a++ )
    {
      
      // Don't include the index listing!
      if ( $nITop[$a] != 'index.html' )
      {
      
        // Add the top-level heading.
        $nItems = $nItems . '<h3>' . $nITop[$a] . "</h3>\n\n";
        
        // Iterate through every mid-level item.
        $nIMid = scandir( 'pages/' . $nITop[$a] );
        for ( $b = 2; $b < count( $nIMid ); $b++ )
        {
          
          // Add the mid-level heading.
          $nItems = $nItems . '<b>' . $nIMid[$b] . '</b>' . "\n\n";
          
          // Iterate through every low-level item.
          $nILow = scandir( 'pages/' . $nITop[$a] . '/' . $nIMid[$b] );
          for ( $c = 2; $c < count( $nILow ); $c++ )
          {
          
            // Is the item a folder?
            $ext = '';
            if ( is_dir( $nILow[$c] ) )
              $ext = '/index.html';
            
            // Add the link.
            $path   = pathinfo( $nITop[$a] . '/' . $nIMid[$b] . '/' . $nILow[$c] . $ext );
            $nItems = $nItems . '<a href="index.php?p=' . rawurlencode( $path['dirname'] . '/' . $path['basename'] ) . '">';
            $nItems = $nItems . str_replace( '.' . $path['extension'], '', $path['basename'] );
            $nItems = $nItems . '</a>';
          
          }
          
          // Padding.
          $nItems = $nItems . "\n\n";
          
        }
        
      }
    
    }
  
    // End of navigation!
    $nItems = $nItems . "<br />\n<br />\n\n<!-- End of navigation. -->";
    return $nItems;
  
  }