// This function gets called when the end-user clicks on some date.
function selected(cal, date) {
  cal.sel.value = date; // just update the date in the input field.
  $(cal.sel).change();
  if (cal.dateClicked) {
  	cal.callCloseHandler();
  }
}

// And this gets called when the end-user clicks on the _selected_ date,
// or clicks on the "Close" button.  It just hides the calendar without
// destroying it.
function closeHandler(cal) {
  cal.hide();                        // hide the calendar
//  cal.destroy();
  _dynarch_popupCalendar = null;
}

function hideCalendar() {
	if (_dynarch_popupCalendar != null) {
	  _dynarch_popupCalendar.hide();	
	  _dynarch_popupCalendar = null;
	}
}

// This function shows the calendar under the element having the given id.
// It takes care of catching "mousedown" signals on document and hiding the
// calendar if the click was outside.
function showCalendar(el, format, e) {
    return showCalendarForInput(el, format, e, 0);
}

function showCalendarForInput(el, format, e, ind) {
	el = el.parentNode.getElementsByTagName("input")[ind];
  if (_dynarch_popupCalendar != null) {
    // we already have some calendar created
    _dynarch_popupCalendar.hide();                 // so we hide it first.
  } else {
    // first-time call, create the calendar.
    var cal = new Calendar(null, null, selected, closeHandler);
    // uncomment the following line to hide the week numbers
    // cal.weekNumbers = false;
	cal.showsTime = false;
      cal.showsOtherMonths = true;
    _dynarch_popupCalendar = cal;                  // remember it in the global var
    cal.setRange(2005, 2030);        // min/max year allowed.
    cal.create();
    cal.singleClick=true;
    cal.onSelect=cal.callCloseHandler;
  }
  //_dynarch_popupCalendar.setDateFormat(format);    // set the specified date format
  _dynarch_popupCalendar.parseDate(el.value);      // try to parse the text in field
  _dynarch_popupCalendar.sel = el;                 // inform it what input field we use

  // the reference element that we pass to showAtElement is the button that
  // triggers the calendar.  In this example we align the calendar bottom-right
  // to the button.
  _dynarch_popupCalendar.showAtElement(el, "Bc");        // show the calendar

  return false;
}

function showCalendarWithFormat(el, format, e) {
	el = el.parentNode.getElementsByTagName("input")[0];
  if (_dynarch_popupCalendar != null) {
    // we already have some calendar created
    _dynarch_popupCalendar.hide();                 // so we hide it first.
  } else {
    // first-time call, create the calendar.
    var cal = new Calendar(null, null, selected, closeHandler);
    // uncomment the following line to hide the week numbers
    // cal.weekNumbers = false;
	cal.showsTime = false;
      cal.showsOtherMonths = true;
    _dynarch_popupCalendar = cal;                  // remember it in the global var
    cal.setRange(2005, 2030);        // min/max year allowed.
    cal.create();
    cal.singleClick=true;
    cal.onSelect=cal.callCloseHandler;
  }
  _dynarch_popupCalendar.setDateFormat(format);    // set the specified date format
  _dynarch_popupCalendar.parseDate(el.value);      // try to parse the text in field
  _dynarch_popupCalendar.sel = el;                 // inform it what input field we use

  // the reference element that we pass to showAtElement is the button that
  // triggers the calendar.  In this example we align the calendar bottom-right
  // to the button.
  _dynarch_popupCalendar.showAtElement(el, "Bc");        // show the calendar

  return false;
}