window.onload = function() {
  var moreLayer = document.getElementById('moreLayer');
  moreLayer.style.display = 'none';
  
  var more = document.getElementById('more');
  more.onclick = function() {
    more.style.display = 'none';
    if(moreLayer.style.display == 'block') {
        moreLayer.style.display = 'none';
    }
    else {
        moreLayer.style.display = 'block';
    }
  }
}