s */
  var buttons = document.getElementsByTagName("button");

  for (var i = 0; i < buttons.length; i++) {
    if (buttons[i].parentElement.classList.contains('webex-solution')) {
      buttons[i].onclick = b_func;
    }
  }

  /* set up webex-solveme inputs */
  var solveme = document.getElementsByClassName("webex-solveme");

  for (var i = 0; i < solveme.length; i++) {
    /* make sure input boxes don't auto-anything */
    solveme[i].setAttribute("autocomplete","off");
    solveme[i].setAttribute("autoc