old_onload = window.onload;
window.onload = function() {
  if (old_onload) { old_onload(); }
  load_extras();
}

function load_extras() {
  // Append the box wrapping to all of the box classes
  var elements = document.getElementsByClassName('box')
  for (var i = elements.length - 1; i >= 0; i--){
    elements[i].innerHTML += '<div class="top-right"></div><div class="top-left"></div><div class="bottom-right"></div><div class="bottom-left"></div>';
  };
  // Append the tags to the document
  if ($('container')) { $('container').innerHTML += '<div id="tag-container" class="tag"></div>'; }
//  if ($('page-teaser')) { $('page-teaser').innerHTML += '<div id="tag-content" class="tag"></div>'; }
  if ($('title')) { $('title').innerHTML += '<div id="tag-title" class="tag"></div>'; }
}