<!--
/*
 * This function is designed to swap the visibility of the first element and
 * hide the second element.  It is a precondition that the first element is a
 * 'tbody' elements and that it is valid to assign the display type
 * 'table-row-group'.  Neither can be 'null'.
 * 
 * parameter id The table-row-group to swap visibility for.
 * parameter hidethis The element to hide at the same time.
 */
function flipDisplayStyleRow(id, hidethis){
  var row = document.getElementById(id);
  var hidden = document.getElementById(hidethis);
  if (row.style.display != 'none')
    row.style.display = 'none';
  else{
    if (hidethis != ''){
      hidden.style.display = 'none';
    }
    if(navigator.appName.indexOf("Microsoft") > -1){
      row.style.display = 'block';
    } else {
      row.style.display = 'table-row-group';
    }
  }
}
-->