jQuery(document).ready(function($) {
  if (typeof alertModalPage !== 'undefined') {
    if (window.location.pathname.toLowerCase() !== '/' + alertModalPage.toLowerCase()) {
      return;
    }
  }
  alertModal = $('#alert-notification-once');
  alertId = $(alertModal).data('alert-id');
  var alerted = sessionStorage.getItem(alertId) || '';
  if (alerted != 'yes') {
    sessionStorage.setItem(alertId,'yes');
    alertModal.find('.alert-content').append('<span class="close">&times;</span>');
    alertModal.find('.close').on('click', function(evt) {
      alertModal.hide();
    });
    alertModal.show();
    $(window).on('click', function(evt) {
      if (evt.target.id == 'alert-notification-once') {
        alertModal.hide();
      }
    });
  }
});