function setCookie(name, value, days) {
  var date = new Date();
  date.setTime(date.getTime() + (days*24*60*60*1000));
  document.cookie = name + "=" + value + "; expires=" + date.toUTCString() + "; path=/";
}
function getCookie(name) {
  var value = document.cookie.match('(^|;) ?' + name + '=([^;]*)(;|$)');
  return value ? value[2] : null;
}
function closePopup(id) {
  var el = document.getElementById(id);
  if (!el) return;
  el.classList.remove('popup-on');
}
function closeToday(id) {
  setCookie(id, 'done', 1);
  closePopup(id);
}
document.addEventListener('DOMContentLoaded', function () {
  document.querySelectorAll('.main-popup').forEach(function(popup) {
    if (!getCookie(popup.id)) {
      popup.classList.add('popup-on');
    }
  });
});