var startId=null;
var endId=null;
var oldLink = null;
// code to change the active stylesheet
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;
}
function selected(cal, date) {
  cal.sel.value = date; // just update the date in the input field.
  if (cal.dateClicked && (cal.sel.id == startId.id || cal.sel.id == endId))
    // if we add this call we close the calendar on single-click.
    // just to exemplify both cases, we are using this only for the 1st
    // and the 3rd field, while 2nd and 4th will still require double-click.
    cal.callCloseHandler();

}
function selected1(cal, date) {
cal.sel.value = date; // just update the date in the input field.
if (cal.dateClicked && (cal.sel.id == startId.id))
{
var sdt=startId.value

var start=new Array()
start=sdt.split('/')
var sdate=new Date()
sdate=start[1]+"/"+start[0]+"/"+start[2]
var target = new Date(sdate)
target.setDate(target.getDate()+1)
endId.value=target.getDate()+"/"+(target.getMonth()+1)+"/"+target.getFullYear()
cal.callCloseHandler();
}

}

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

function showCalendar(id,imgid, format, showsTime, showsOtherMonths) {
var el = document.getElementById(id);
startId= document.getElementById(id);
if (_dynarch_popupCalendar != null) {
_dynarch_popupCalendar.hide();                 // so we hide it first.
} else {
// first-time call, create the calendar.
var cal = new Calendar(1, null, selected, closeHandler);
cal.setDisabledHandler(isDisabled);
// 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

// 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.
var imgcalid=document.getElementById(imgid);
_dynarch_popupCalendar.showAtElement(imgcalid, "Br");        // show the calendar

return false;
}
function showCalendar1(id,id1,imgid,format, showsTime, showsOtherMonths) {
var el = document.getElementById(id);
var el1 = document.getElementById(id1);
startId=el;
endId=el1;
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, selected1, closeHandler);
// uncomment the following line to hide the week numbers
// cal.weekNumbers = false;
cal.setDisabledHandler(isDisabled);
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

// 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.
var imgcalid=document.getElementById(imgid);
_dynarch_popupCalendar.showAtElement(imgcalid, "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 (date.getDayOfYear()<today.getDayOfYear())
}

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

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

  // construct a calendar giving only the "selected" handler.
  var cal = new Calendar(0, null, flatSelected);

  // hide week numbers
  cal.weekNumbers = false;

  // We want some dates to be disabled; see function isDisabled above
  cal.setDisabledHandler(isDisabled);
  cal.setDateFormat("%A, %B %e");

  // this call must be the last as it might use data initialized above; if
  // we specify a parent, as opposite to the "showCalendar" function above,
  // then we create a flat calendar -- not popup.  Hidden, though, but...
  cal.create(parent);

  // ... we can show it here.
  cal.show();
}