Calendar._DN = new Array
("Sunday",
 "Monday",
 "Tuesday",
 "Wednesday",
 "Thursday",
 "Friday",
 "Saturday",
 "Sunday");

Calendar._SDN = new Array
("Sun",
 "Mon",
 "Tue",
 "Wed",
 "Thu",
 "Fri",
 "Sat",
 "Sun");

Calendar._MN = new Array
("January",
 "February",
 "March",
 "April",
 "May",
 "June",
 "July",
 "August",
 "September",
 "October",
 "November",
 "December");

Calendar._SMN = new Array
("Jan",
 "Feb",
 "Mar",
 "Apr",
 "May",
 "Jun",
 "Jul",
 "Aug",
 "Sep",
 "Oct",
 "Nov",
 "Dec");

Calendar._TT = {};
Calendar._TT["INFO"] = "Informazioni sul calendario";

Calendar._TT["ABOUT"] =
"select  data";
Calendar._TT["ABOUT_TIME"] = "\n\n" +
"Selezione orario:\n" +
"- Clicca sul numero per incrementarlo\n" +
"- o Shift+click per decrementarlo\n" +
"- o click e sinistra o destra per variarlo.";

Calendar._TT["PREV_YEAR"] = "Prev Year";
Calendar._TT["PREV_MONTH"] = "Prev Month";
Calendar._TT["GO_TODAY"] = "Today";
Calendar._TT["NEXT_MONTH"] = "Next Month";
Calendar._TT["NEXT_YEAR"] = "Next Year";
Calendar._TT["SEL_DATE"] = "Select data";
Calendar._TT["DRAG_TO_MOVE"] = "Track";
Calendar._TT["PART_TODAY"] = " (today)";

Calendar._TT["DAY_FIRST"] = "";

Calendar._TT["WEEKEND"] = "0,6";

Calendar._TT["CLOSE"] = "Close";
Calendar._TT["TODAY"] = "Today";
Calendar._TT["TIME_PART"] = "(Shift-)Click o trascina per cambiare il valore";

Calendar._TT["DEF_DATE_FORMAT"] = "%d-%m-%Y";
Calendar._TT["TT_DATE_FORMAT"] = "%a %e %b";

Calendar._TT["WK"] = "set";
Calendar._TT["TIME"] = "Ora:";

var oldLink = null;
function setActiveStyleSheet(link, title) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
  if (oldLink) oldLink.style.fontWeight = 'normal';
  oldLink = link;
  link.style.fontWeight = 'bold';
  return false;
}

// 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.
  if (cal.dateClicked && (cal.sel.id == "sel1" || cal.sel.id == "sel3"))
    cal.callCloseHandler();
}

function closeHandler(cal) {
  cal.hide();                        // hide the calendar
//  cal.destroy();
  _dynarch_popupCalendar = null;
}

function showCalendar(id, format, showsTime, showsOtherMonths) {
  var el = document.getElementById(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);
    // uncomment the following line to hide the week numbers
    // cal.weekNumbers = false;
    if (typeof showsTime == "string") {
      cal.showsTime = true;
      cal.time24 = (showsTime == "24");
    }
    if (showsOtherMonths) {
      cal.showsOtherMonths = true;
    }
    _dynarch_popupCalendar = cal;                  // remember it in the global var
    cal.setRange(1900, 2070);        // min/max year allowed.
    cal.create();
  }
  _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

  _dynarch_popupCalendar.showAtElement(el.nextSibling, "Br");        // show the calendar

  return false;
}

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

function isDisabled(date) {
  var today = new Date();
  return (Math.abs(date.getTime() - today.getTime()) / DAY) > 10;
}

function flatSelected(cal, date) {
  var el = document.getElementById("preview");
  el.innerHTML = date;
}

function showFlatCalendar() {
  var parent = document.getElementById("display");

  var cal = new Calendar(0, null, flatSelected);

  cal.weekNumbers = false;

  cal.setDisabledHandler(isDisabled);
  cal.setDateFormat("%A, %B %e");

  cal.create(parent);

  cal.show();
}