er = solveme[i].dataset.answer;
    if (cl.contains("ignorecase")) {
      real_answer = real_answer.toLowerCase();
    }
    if (cl.contains("nospaces")) {
      real_answer = real_answer.replace(/ /g, "");
    }
    solveme[i].dataset.answer = real_answer;

    /* attach checking function */
    solveme[i].onkeyup = solveme_func;
    solveme[i].onchange = solveme_func;
  }
  
  /* set up radiogroups */
  var radiogroups = document.getElementsByClassName("webex-radiogroup");
  for (var i = 0; i < radiogrou