text: function buildComparisonTable() {
    var tr,
      th,
      td,
      a,
      i,
      iMax,
      j,
      jMax,
      bodyFrag = document.createDocumentFragment();
  
    // segmented audio renditions
    iMax =
  
    // progressive video Renditions
    iMax = progressiveRenditions.length;
    for (i = 0; i < iMax; i++) {
      tr = document.createElement('tr');
      td = document.createElement('td');
      td.setAttribute('translate', 'No');
      td.textContent = progressiveRenditions[i].id;
      tr.appendChild(td);
      jMax = profiles.length;
      for (j = 0; j < jMax; j++) {
        td = document.createElement('td');
        td.setAttribute('style', 'text-align:center');
        img = document.createElement('img');
        if (isItemInArray(profiles[j].dynamic_origin.renditions, progressiveRenditions[i].id)) {
          img.setAttribute('src', yesImg);
          img.setAttribute('alt', 'yes');
          td.appendChild(img);
          tr.appendChild(td);
        } else {
          img.setAttribute('src', noImg);
          img.setAttribute('alt', 'no');
          td.appendChild(img);
          tr.appendChild(td);
        }
      }
      bodyFrag.appendChild(tr);
    }
  
    // add to doc
    comparisonTableHead.appendChild(headFrag);
    comparisonTableBody.appendChild(bodyFrag);
  }