function toggleDisplay(toShow, theLink, showText, hideText) {
  hiddenDiv = document.getElementById(toShow);
  if (hiddenDiv.style.display == 'none' || hiddenDiv.style.display == ''){
    hiddenDiv.style.display = 'block';
    theLink.innerHTML = (hideText == null ? '' : hideText);
  } else {
    hiddenDiv.style.display = 'none';
    theLink.innerHTML = (showText == null ? '' : showText);
  }
}

function expandThisBox(thisBox) {
  thisBox.style.height = 'auto';
}

function collapseThisBox(thisBox) {
  thisBox.style.height = '50px';
}