function RelevantTitle()
var titleSettings = new Array();
/*
--------------------------------------------------
    customize page title settings
--------------------------------------------------
*/
titleSettings.separator   = ": "; // text to insert between parts of title
titleSettings.maxLength   = -1;   // limits length of title (-1 == no limit)
titleSettings.doPhotos    = true; // true == append photo captions
titleSettings.doAlbums    = true; // true == append album names
titleSettings.doGalleries = true; // true == append gallery names

function ContextualizeTitle() {
  var re1 = /([\s\S]*)( - powered by smugmug)/;
  var re2 = /([\s\S]*) (galleries|sub-categories)/;
  var newTitle = document.title;
  var newText = null;
  document.title = document.title.replace(re1, "$1");
  if(!IsHomePage()) 
  {
    // add gallery title
    if(titleSettings.doGalleries)
    {
      var galleryTitle = document.getElementById("galleryTitle");
      if(galleryTitle)
      {
        var galleryTitleText = GetTextContent(galleryTitle);
        if(galleryTitleText.length > 0)
        {
          galleryTitle = galleryTitle.replace(re2, "$1")

          newText = titleSettings.separator + galleryTitle;
          newTitle = newTitle.replace(re1, "$1" + newText);
        }
      }
    }

    // add album title
    if(titleSettings.doAlbums)
    {
      var albumTitle = document.getElementById("albumTitle");
      if(albumTitle)
      {
        var albumTitleText = GetTextContent(albumTitle);
        if(albumTitleText.length > 0)
        {
          newText = titleSettings.separator + albumTitleText;
          newTitle = newTitle.replace(re1, "$1" + newText);
        }
      }
    }

    // add photo title
    if(titleSettings.doPhotos)
    {
      var photoTitleText = GetPhotoCaption();
      if(photoTitleText.length > 0)
      {
        newText = titleSettings.separator + photoTitleText;
        newTitle = newTitle.replace(re1, "$1" + newText);
      }
    }

    if(titleSettings.maxLength > -1)
      newTitle = newTitle.substr(0, titleSettings.maxLength);

    document.title = newTitle;
  }
}

function GetPhotoCaption() {
  var photoTitle = document.getElementById("caption_bottom");

  if(!photoTitle)
    photoTitle = document.getElementById("caption_top");

  if(!photoTitle)
    return "";
         
  return GetTextContent(photoTitle);
}

function GetTextContent(node) {
  var text = "";
  if(node) {
    if(node.children) {
      text = GetTextContent(node.firstChild);
    } else {
      if(node.nodeValue) {
        text = node.nodeValue; // IE
      } else {
        text = node.textContent; // mozilla
      }
    }
  }
  text = Trim(text);
  return text;
}

function Trim(text) {
    var regexp = /^\s+|\s+$/g;
    text = text.replace(regexp, "");
    return text;
}


function IsHomePage() {
  var classStr = document.body.className;
  var re = /homepage /;

  if (!classStr)
    return false;

  return re.test(classStr);
}