function toggleEventDetails(id,lid) {
  var elem  = document.getElementById(id);
  var link  = document.getElementById(lid);
  var disp = elem.style.display;

  if (disp=='none') {
    elem.style.display = '';
    link.innerHTML = "hide details";
  } else {
    elem.style.display = 'none';
    link.innerHTML = "more details";
  }

  return;
}