if ($) $ (function () {

document.$UpdateScrollTitle = function () {
  var y = $ (window).scrollTop ()
  var title = ''
  $ ('.ScrollTitle').each (function () {
    if ($ (this).position ().top > y + window.innerHeight) return false
    title = $ (this).text ()
    if ($ (this).position ().top > y) return false
  })
  if (title) document.title = title
}
if ($ ('.ScrollTitle').length > 1) {
  $ (window).bind ('scroll', document.$UpdateScrollTitle)
  document.$UpdateScrollTitle ()
}

})