// Popup window
<!--
function popupEvent(ev, w, h) {
  var winl = (screen.width - w) / 2;
  var wint = (screen.height - h) / 2;
  win = window.open("calendar/functions/popup.php?ev=" + ev + "&readFile=0&readSQL=1&showCat=&oc=1","Calendar","scrollbars=yes,status=no,location=no,toolbar=no,menubar=no,directories=no,resizable=yes,width=" + w + ",height=" + h + ",top=" + wint + ",left=" + winl + "");
  if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
  }
//-->