//doi.org/10.31234/osf.io/jqw35">https://doi.org/10.31234/osf.io/jqw35</a>
</div>
</div>
</div>
<script>

/* update total correct if #webex-total_correct exists */
update_total_correct = function() {
  if (t = document.getElementById("webex-total_correct")) {
    t.innerHTML =
      document.getElementsByClassName("webex-correct").length + " of " +
      document.getElementsByClassName("webex-solveme").length + " correct";
  }
}

/* webex-solution button toggling function */
b_func = function() {
  var cl =