zoneminder/web/skins/classic/views/js/controlcaps.js

// Manage the Add New Control button
function AddNewControl(el) {
  url = el.getAttribute('data-url');
  window.location.assign(url);
}

function initPage() {
  // Manage the BACK button
  document.getElementById("backBtn").addEventListener("click", function onBackClick(evt) {
    evt.preventDefault();
    window.history.back();
  });

  // Disable the back button if there is nothing to go back to
  $j('#backBtn').prop('disabled', !document.referrer.length);

  // Manage the REFRESH Button
  document.getElementById("refreshBtn").addEventListener("click", function onRefreshClick(evt) {
    evt.preventDefault();
    window.location.reload(true);
  });
}

$j(document).ready(function() {
  initPage();
});