var TITEMS = [ 
 ["Introduction", null, "1",
  ["Welcome", "pages/welcome.htm", "11"],
  ["Authorization", "pages/authorization.htm", "11"],
  ["Support", "pages/support.htm", "11"]
 ],
 ["RX User Guide", null, "1",
  ["What is RX?", "pages/what_is.htm", "11"],
  ["About RX Advanced", "pages/about_rx_advanced.htm", "11"],
  ["RX's Interface", null, "1",
   ["Interface Overview", "pages/interface_overview.htm", "11"],
   ["Opening and Playing Files", "pages/open_files_navigation.htm", "11"],
   ["Spectrogram Display", "pages/spectrogram_users_guide.htm", "11"],
   ["Zoom Tools", "pages/zoom_tools.htm", "11"],
   ["Selection Tools", "pages/selection_tools.htm", "11"]
  ],
  ["Using RX Modules", null, "1",
   ["Modules Overview", "pages/modules.htm", "11"],
   ["Identifying Noise and Audio Problems", "pages/identify.htm", "11"],
   ["Restoration Modules", null, "1",
    ["Declipper", "pages/declipper_getting_started.htm", "11"],
    ["Declicker", "pages/declick_getting_started.htm", "11"],
    ["Hum Removal", "pages/hum_getting_started.htm", "11"],
    ["Denoiser", "pages/denoiser_getting_started.htm", "11"],
    ["Spectral Repair", "pages/spectral_repair_getting_started.htm", "11"]
   ],
   ["Other Modules", null, "1",
    ["Gain and EQ", "pages/gain_and_eq.htm", "11"],
    ["Resampling and Dithering", "pages/resample_dither.htm", "11"]
   ],
   ["Previewing Settings", "pages/preview_and_compare.htm", "11"],
   ["Comparing Settings", "pages/compare_set.htm", "11"],
   ["Batch Processing", "pages/batch_processing.htm", "11"],
   ["Undo History", "pages/undo.htm", "11"]
  ]
 ],
 ["RX Reference Manual", null, "1",
  ["Transport", "pages/transport.htm", "11"],
  ["Spectrogram and Waveform Display", "pages/spectrogram.htm", "11"],
  ["RX Menus", null, "1",
   ["File Menu", null, "1",
    ["Opening Files", "pages/open.htm", "11"],
    ["Saving Files", "pages/save.htm", "11"],
    ["Batch Processing", "pages/batch_processing.htm", "11"]
   ],
   ["Edit Menu", null, "1",
    ["Edit Menu", "pages/edit_menu.htm", "11"],
    ["Find Similar Event", "pages/find_similar_event.htm", "11"],
    ["Preferences Menu", null, "1",
     ["Audio Hardware Menu", "pages/preferences.htm", "11"],
     ["Test Tone Generator", "pages/test_tone.htm", "11"],
     ["Keyboard Shortcuts Menu", "pages/keyboard_shortcuts_menu.htm", "11"],
     ["Misc Preferences Menu", "pages/misc_preferences.htm", "11"],
     ["Authorization Menu", "pages/auth_menu.htm", "11"]
    ]
   ],
   ["View Menu", null, "1",
    ["View Menu", "pages/view_menu.htm", "11"],
    ["Spectrum Analyzer", "pages/spectrum_analyzer.htm", "11"],
    ["Markers and Regions", "pages/markers_and_regions.htm", "11"],
    ["Spectrogram Settings", "pages/spectrogram_settings.htm", "11"]
   ]
  ],
  ["Modules", null, "1",
   ["Standard Module Controls", "pages/module_standards.htm", "11"],
   ["Hum Removal", "pages/hum.htm", "11"],
   ["Declipper", "pages/declipper.htm", "11"],
   ["Declicker", "pages/declicker.htm", "11"],
   ["Denoiser", "pages/denoiser.htm", "11"],
   ["Spectral Repair", "pages/spectral_repair.htm", "11"],
   ["Gain", "pages/gain.htm", "11"],
   ["EQ", "pages/eq.htm", "11"],
   ["Resample", "pages/resampler.htm", "11"],
   ["Dither", "pages/dither.htm", "11"]
  ],
  ["Additional Workflow Features", null, "1",
   ["Batch Processing", "pages/batch_processing.htm", "11"],
   ["Compare Settings", "pages/compare_settings.htm", "11"],
   ["Undo History", "pages/undo.htm", "11"]
  ],
  ["Keyboard Shortcuts", "pages/keyboard_shortcuts.htm", "11"]
 ]
];


var FITEMS = arr_flatten(TITEMS);

function arr_flatten (x) {
   var y = []; if (x == null) return y;
   for (var i=0; i<x.length; i++) {
      if (typeof(x[i]) == "object") {
         var flat = arr_flatten(x[i]);
         for (var j=0; j<flat.length; j++)
             y[y.length]=flat[j];
      } else {
         if ((i%3==0))
          y[y.length]=x[i+1];
      }
   }
   return y;
}