document.createElement('header');
  document.createElement('footer');
  document.createElement('section');
  document.createElement('aside');
  document.createElement('nav');
  document.createElement('article');
  document.createElement('slideshow');
  document.createElement('submenu');
  document.createElement('page-content');
  document.createElement('thumbs');  
  document.createElement('news-story-post');
  document.createElement('side-sort-by');