// Title: Tigra Calendar
// URL: http://www.softcomplex.com/products/tigra_calendar/
// Version: 3.2 (European date format)
// Date: 10/14/2002 (mm/dd/yyyy)
// Feedback: feedback@softcomplex.com (specify product title in the subject)
// Note: Permission given to use this script in ANY kind of applications if
//    header lines are left unchanged.
// Note: Script consists of two files: calendar?.js and calendar.html
// About us: Our company provides offshore IT consulting services.
//    Contact us at sales@softcomplex.com if you have any programming task you
//    want to be handled by professionals. Our typical hourly rate is $20.
// changed by WebDev-Team tourisline AG 2002-11-19
// if two digit year input dates after this year considered 20 century.
// var NUM_CENTYEAR = 01;
// is time input control required by default
var BUL_TIMECOMPONENT = false;
// are year scrolling buttons required by default
var BUL_YEARSCROLL = true;

var calendars = [];
var RE_NUM = /^\-?\d+$/;

function calendarclose() {
if (obj_calwindow)
    obj_calwindow.close();
}

function calendar1(obj_target1, obj_target2) {

  // assing methods
  this.gen_date = cal_gen_date1;
  this.gen_time = cal_gen_time1;
  this.gen_tsmp = cal_gen_tsmp1;
  this.prs_date = cal_prs_date1;
  this.prs_time = cal_prs_time1;
  this.prs_tsmp = cal_prs_tsmp1;
  this.popup    = cal_popup1;

  // validate input parameters
  if (!obj_target1 || !obj_target2)
    return cal_error("Error calling the calendar: no target control specified!");
  if (obj_target1.value == null || obj_target2.value == null)
    return cal_error("Error calling the calendar: parameter specified is not valid tardet control");
  this.target1 = obj_target1;
  this.target2 = obj_target2;
  this.time_comp = BUL_TIMECOMPONENT;
  this.year_scroll = BUL_YEARSCROLL;

  // register in global collections
  this.id = calendars.length;
  calendars[this.id] = this;
}

//
function cal_popup1 (str_datetime, str_datetime1) {
  this.dt_current = this.prs_tsmp(str_datetime ? str_datetime : this.target1.value);
  if (!this.dt_current) return;
  //
  this.dt_current1 = this.prs_tsmp(str_datetime1 ? str_datetime1 : this.target2.value);
  if (!this.dt_current1) return;

  obj_calwindow = window.open('/har/angola-in/en/calendar_en.jsp?datetime=' + this.dt_current.valueOf()+ 'datetime1=' + this.dt_current1.valueOf()+ '&id=' + this.id , 'Calendar', 'width=400, height='+(this.time_comp ? 215 : 230)+ ',status=no,resizable=no,top=200,left=200,dependent=yes,alwaysRaised=no');
  obj_calwindow.opener = window;
  obj_calwindow.focus();
}

// timestamp generating function
function cal_gen_tsmp1 (dt_datetime) {
  return(this.gen_date(dt_datetime) + ' ' + this.gen_time(dt_datetime));
}

// date generating function
function cal_gen_date1 (dt_datetime) {

  var dd =(dt_datetime.getDate() < 10 ? '0' : '') + dt_datetime.getDate();
  var MM =(dt_datetime.getMonth() < 9 ? '0' : '') + (dt_datetime.getMonth() + 1);
  var yy = ((dt_datetime.getFullYear() - 2000) < 10 ? '0' : '') + (dt_datetime.getFullYear() - 2000);

// original
//  return (
//    (dt_datetime.getDate() < 10 ? '0' : '') + dt_datetime.getDate() + "-"
//    + (dt_datetime.getMonth() < 9 ? '0' : '') + (dt_datetime.getMonth() + 1) + "-"
//    + dt_datetime.getFullYear()

// new
  return(
    (DateMaskArray[0] == 'dd' ? dd : (DateMaskArray[0] == 'MM' ? MM : yy)) + Splitter +
    (DateMaskArray[1] == 'dd' ? dd : (DateMaskArray[1] == 'MM' ? MM : yy)) + Splitter +
    (DateMaskArray[2] == 'dd' ? dd : (DateMaskArray[2] == 'MM' ? MM : yy))
  );
}
// time generating function
function cal_gen_time1 (dt_datetime) {
  return (
    (dt_datetime.getHours() < 10 ? '0' : '') + dt_datetime.getHours() + ":"
    + (dt_datetime.getMinutes() < 10 ? '0' : '') + (dt_datetime.getMinutes()) + ":"
    + (dt_datetime.getSeconds() < 10 ? '0' : '') + (dt_datetime.getSeconds())
  );
}

// timestamp parsing function
function cal_prs_tsmp1 (str_datetime) {
  // if no parameter specified return current timestamp
  if (!str_datetime)
    return (new Date());

  // if positive integer treat as milliseconds from epoch
  if (RE_NUM.exec(str_datetime))
    return new Date(str_datetime);

  // else treat as date in string format
  var arr_datetime = str_datetime.split(' ');
  return this.prs_time(arr_datetime[1], this.prs_date(arr_datetime[0]));
}

// date parsing function
function cal_prs_date1 (str_date) {

  var arr_date = str_date.split(Splitter);

// new
  var date_array = str_date.split(Splitter);
  arr_date[0] = (DateMaskArray[0] == 'dd' ? date_array[0] : (DateMaskArray[1] == 'dd' ? date_array[1] : date_array[2]));
  arr_date[1] = (DateMaskArray[0] == 'MM' ? date_array[0] : (DateMaskArray[1] == 'MM' ? date_array[1] : date_array[2]));
  arr_date[2] = (DateMaskArray[0] == 'yy' ? date_array[0] : (DateMaskArray[1] == 'yy' ? date_array[1] : date_array[2]));

  if (arr_date.length != 3) return cal_error ("Invalid date format: '" + str_date + "'.\nFormat accepted is '" + DateMask + "'.");
  if (!arr_date[0]) return cal_error ("Invalid date format: '" + str_date + "'.\nNo day of month value can be found.");
  if (!RE_NUM.exec(arr_date[0])) return cal_error ("Invalid day of month value: '" + arr_date[0] + "'.\nAllowed values are unsigned integers.");
  if (!arr_date[1]) return cal_error ("Invalid date format: '" + str_date + "'.\nNo month value can be found.");
  if (!RE_NUM.exec(arr_date[1])) return cal_error ("Invalid month value: '" + arr_date[1] + "'.\nAllowed values are unsigned integers.");
  if (!arr_date[2]) return cal_error ("Invalid date format: '" + str_date + "'.\nNo year value can be found.");
  if (!RE_NUM.exec(arr_date[2])) return cal_error ("Invalid year value: '" + arr_date[2] + "'.\nAllowed values are unsigned integers.");

  var dt_date = new Date();
  dt_date.setDate(1);

  if (arr_date[1] < 1 || arr_date[1] > 12) return cal_error ("Invalid month value: '" + arr_date[1] + "'.\nAllowed range is 01-12.");
  dt_date.setMonth(arr_date[1]-1);

//  if (arr_date[2] < 100) arr_date[2] = Number(arr_date[2]) + (arr_date[2] < NUM_CENTYEAR ? 2000 : 1900);
  if (arr_date[2] < 100) arr_date[2] = Number(arr_date[2]) + 2000;
  dt_date.setFullYear(arr_date[2]);

  var dt_numdays = new Date(arr_date[2], arr_date[1], 0);
  dt_date.setDate(arr_date[0]);
  if (dt_date.getMonth() != (arr_date[1]-1)) return cal_error ("Invalid day of month value: '" + arr_date[0] + "'.\nAllowed range is 01-31.");

  return (dt_date)
}

// time parsing function
function cal_prs_time1 (str_time, dt_date) {

  if (!dt_date) return null;
  var arr_time = String(str_time ? str_time : '').split(':');

  if (!arr_time[0]) dt_date.setHours(0);
  else if (RE_NUM.exec(arr_time[0]))
    if (arr_time[0] < 24) dt_date.setHours(arr_time[0]);
    else return cal_error ("Invalid hours value: '" + arr_time[0] + "'.\nAllowed range is 00-23.");
  else return cal_error ("Invalid hours value: '" + arr_time[0] + "'.\nAllowed values are unsigned integers.");

  if (!arr_time[1]) dt_date.setMinutes(0);
  else if (RE_NUM.exec(arr_time[1]))
    if (arr_time[1] < 60) dt_date.setMinutes(arr_time[1]);
    else return cal_error ("Invalid minutes value: '" + arr_time[1] + "'.\nAllowed range is 00-59.");
  else return cal_error ("Invalid minutes value: '" + arr_time[1] + "'.\nAllowed values are unsigned integers.");

  if (!arr_time[2]) dt_date.setSeconds(0);
  else if (RE_NUM.exec(arr_time[2]))
    if (arr_time[2] < 60) dt_date.setSeconds(arr_time[2]);
    else return cal_error ("Invalid seconds value: '" + arr_time[2] + "'.\nAllowed range is 00-59.");
  else return cal_error ("Invalid seconds value: '" + arr_time[2] + "'.\nAllowed values are unsigned integers.");

  dt_date.setMilliseconds(0);
  return dt_date;
}

function cal_error (str_message) {
  alert (str_message);
  return null;
}

// calendar beginn

// months as they appear in the calendar's title
var ARR_MONTHS = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
// week day titles as they appear on the calendar
var ARR_WEEKDAYS = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"];
// day week starts from (normally 0-Mo or 1-Su)
var NUM_WEEKSTART = 1;
// path to the directory where calendar images are stored. trailing slash req.
var STR_ICONPATH = '/pic/';

var dt_now = new Date();
	dt_now.setHours(00,00,00,00);

var dt_now_end = new Date();
	dt_now_end.setHours(23,59,59,99);

var re_url = new RegExp('datetime=(\\-?\\d+)');
var dt_current = (re_url.exec(String(window.location))
	? new Date(new Number(RegExp.$1)) : new Date());

if (dt_current < dt_now)
	dt_current = new Date();

var re_url = new RegExp('datetime1=(\\-?\\d+)');
var dt_current2 = (re_url.exec(String(window.location))
	? new Date(new Number(RegExp.$1)) : new Date());

if (dt_current2 < dt_now)
	dt_current2 = new Date();

var re_id = new RegExp('&id=(\\d+)');
var num_id = (re_id.exec(String(window.location))
	? new Number(RegExp.$1) : 0);

var y_btnDate = new Date((dt_now.getFullYear() + 1), dt_now.getMonth(), 1, 00, 00, 00, 00);
var m_btnDate = new Date(dt_now.getFullYear(), (dt_now.getMonth() + 1), 1, 00, 00, 00, 00);

var y_btn = y_btnDate <= dt_current;
var m_btn = m_btnDate <= dt_current;

var y_btn2 = y_btnDate <= dt_current2;
var m_btn2 = m_btnDate <= dt_current2;

var obj_caller = (window.opener ? window.opener.calendars[num_id] : null);

if (obj_caller && obj_caller.year_scroll) {
	// get same date in the previous year Calendar 1
	var dt_prev_year = new Date(dt_current);
	dt_prev_year.setFullYear(dt_prev_year.getFullYear() - 1);
	if (dt_prev_year.getDate() != dt_current.getDate())
		dt_prev_year.setDate(0);

	// get same date in the previous year Calendar 2
	var dt_prev_year2 = new Date(dt_current2);
	dt_prev_year2.setFullYear(dt_prev_year2.getFullYear() - 1);
	if (dt_prev_year2.getDate() != dt_current2.getDate())
		dt_prev_year2.setDate(0);

	// get same date in the next year Calendar 1
	var dt_next_year = new Date(dt_current);
	dt_next_year.setFullYear(dt_next_year.getFullYear() + 1);
	if (dt_next_year.getDate() != dt_current.getDate())
		dt_next_year.setDate(0);

	// get same date in the next year Calendar 2
	var dt_next_year2 = new Date(dt_current2);
	dt_next_year2.setFullYear(dt_next_year2.getFullYear() + 1);
	if (dt_next_year2.getDate() != dt_current2.getDate())
		dt_next_year2.setDate(0);
}

// get same date in the previous month - Calendar 1
var dt_prev_month = new Date(dt_current);
dt_prev_month.setMonth(dt_prev_month.getMonth() - 1);
if (dt_prev_month.getDate() != dt_current.getDate())
	dt_prev_month.setDate(0);

// get same date in the previous month - Calendar 2
var dt_prev_month2 = new Date(dt_current2);
dt_prev_month2.setMonth(dt_prev_month2.getMonth() - 1);
if (dt_prev_month2.getDate() != dt_current2.getDate())
	dt_prev_month2.setDate(0);

// get same date in the next month Calendar 1
var dt_next_month = new Date(dt_current);
dt_next_month.setMonth(dt_next_month.getMonth() + 1);
if (dt_next_month.getDate() != dt_current.getDate())
	dt_next_month.setDate(0);

// get same date in the next month Calendar 2
var dt_next_month2 = new Date(dt_current2);
dt_next_month2.setMonth(dt_next_month2.getMonth() + 1);
if (dt_next_month2.getDate() != dt_current2.getDate())
	dt_next_month2.setDate(0);

// get first day to display in the grid for current month - Calendar 1
var dt_firstday = new Date(dt_current);
dt_firstday.setDate(1);
dt_firstday.setDate(1 - (7 + dt_firstday.getDay() - NUM_WEEKSTART) % 7);

// get first day to display in the grid for current month - Calendar 2
var dt_firstday2 = new Date(dt_current2);
dt_firstday2.setDate(1);
dt_firstday2.setDate(1 - (7 + dt_firstday2.getDay() - NUM_WEEKSTART) % 7);

// function passing selected date to calling window
function set_datetime(n_datetime, n_datetime1, w_cal, b_close) {
	if (!obj_caller) return;

	var dt_datetime = obj_caller.prs_time(
		(document.cal ? document.cal.time.value : ''),
		new Date(n_datetime)
	);

	var dt_datetime1 = obj_caller.prs_time(
		(document.cal ? document.cal.time.value : ''),
		new Date(n_datetime1)
	);

	if (!dt_datetime) return;

	if (!dt_datetime1) return;

	if (b_close) {
		//window.close();
		if (w_cal) {

			if (dt_datetime >= dt_now) {

				obj_caller.target1.value = (document.cal ? obj_caller.gen_tsmp(dt_datetime) : obj_caller.gen_date(dt_datetime));

				if ((!obj_caller.target2.value) || (dt_datetime.valueOf() >= dt_datetime1.valueOf())) {
					dt_datetime1.setDate(1);
					dt_datetime1.setFullYear(dt_datetime.getFullYear());
					dt_datetime1.setMonth(dt_datetime.getMonth());
					dt_datetime1.setDate(dt_datetime.getDate() + 1);
					obj_caller.target2.value = (document.cal ? obj_caller.gen_tsmp(dt_datetime1) : obj_caller.gen_date(dt_datetime1));
				}
			}
			else {
				alert('Arrival date is in the past');
				return;
			}
		}

		if (!w_cal) {
			if (dt_datetime1 > dt_now) {
				obj_caller.target2.value = (document.cal ? obj_caller.gen_tsmp(dt_datetime1) : obj_caller.gen_date(dt_datetime1));
				if (obj_caller.target1.value) {
					var form_arr_date = new Date();
					form_arr_date = obj_caller.prs_date(obj_caller.target1.value);
					if ((form_arr_date) && form_arr_date.valueOf() < dt_now.valueOf())
						obj_caller.target1.value = (document.cal ? obj_caller.gen_tsmp(dt_datetime) : obj_caller.gen_date(dt_now));
				}
				if ((!obj_caller.target1.value) || (dt_datetime.valueOf() >= dt_datetime1.valueOf())) {
					dt_datetime.setFullYear(dt_datetime1.getFullYear());
					dt_datetime.setMonth(dt_datetime1.getMonth());
					dt_datetime.setDate(dt_datetime1.getDate() - 1);
					obj_caller.target1.value = (document.cal ? obj_caller.gen_tsmp(dt_datetime) : obj_caller.gen_date(dt_datetime));
				}
			}
			else {
				alert('Departure must be in the future');
				return;
			}
		}

		obj_caller.popup(dt_datetime.valueOf(), dt_datetime1.valueOf());
	}
	else obj_caller.popup(dt_datetime.valueOf(), dt_datetime1.valueOf());
}