function selected(cal, date) {
    //cal.callCloseHandler();

    cal.sel.value = date; // just update the date in the input field.
  //if (cal.dateClicked && (cal.sel.id == "sel1" || cal.sel.id == "sel3"))
  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;
}

// 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 popUpCalendar(el, el2, format1) {
  //var el = document.getElementById(element.id);
  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(1, null, selected, closeHandler);
    // cal.weekNumbers = false;
    //cal.showsOtherMonths = true;

    _dynarch_popupCalendar = cal;                  // remember it in the global var
    cal.setRange(1900, 2070);        // min/max year allowed.
    cal.create();
  }
  if (format1 == 'yyyy-mm-dd') {
        _dynarch_popupCalendar.setDateFormat('%Y-%m-%d');    // set the specified date format
    } // if
  _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.nextSibling, "Br");        // show the calendar
  _dynarch_popupCalendar.showAtElement(el, "Br");        // show the calendar

  return false;
}






var MINUTE = 60 * 1000;
var HOUR = 60 * MINUTE;
var DAY = 24 * HOUR;
var WEEK = 7 * DAY;

// If this handler returns true then the "date" given as
// parameter will be disabled.  In this example we enable
// only days within a range of 10 days from the current
// date.
// You can use the functions date.getFullYear() -- returns the year
// as 4 digit number, date.getMonth() -- returns the month as 0..11,
// and date.getDate() -- returns the date of the month as 1..31, to
// make heavy calculations here.  However, beware that this function
// should be very fast, as it is called for each day in a month when
// the calendar is (re)constructed.
function isDisabled(date) {
  var today = new Date();
  return (Math.abs(date.getTime() - today.getTime()) / DAY) > 10;
}