function showComment() {
  Styles.setVisible('commentLink', false);
  Styles.setVisible('commentArea', true);
}

function saveComment(clubId) {
  var comment = Styles.getElement('comment').value;
  authenticatedJSONRequest("courses.saveComment", commentSaved, comment, clubId);
}

function commentSaved(result) {
  if (result) {
    alert("Comments have been saved.");
    window.location.reload();
  }
}