function toggleShow(s) {
  var el = document.getElementById(s);

  if (el.style.display == 'none') {
    el.style.display = 'block';
  } else {
    el.style.display = 'none';
  }
}
function hide(s) {
  var el = document.getElementById(s);

  el.style.display = 'none';
}
function show(s) {
  var el = document.getElementById(s);
  el.style.display = 'block';
}