// Title: Tigra Calendar// URL: http://www.softcomplex.com/products/tigra_calendar/// Version: 3.2 (American date format)// Date: 10/14/2002 (mm/dd/yyyy)// 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// if two digit year input dates after this year considered 20 century.var NUM_CENTYEAR = 30;// is time input control required by defaultvar BUL_TIMECOMPONENT = false;// are year scrolling buttons required by defaultvar BUL_YEARSCROLL = true;var calendars = [];var RE_NUM = /^\-?\d+$/;function calendar2(obj_target) {	// assigning methods	this.gen_date = cal_gen_date2;	this.gen_time = cal_gen_time2;	this.gen_tsmp = cal_gen_tsmp2;	this.prs_date = cal_prs_date2;	this.prs_time = cal_prs_time2;	this.prs_tsmp = cal_prs_tsmp2;	this.popup    = cal_popup2;	// validate input parameters	if (!obj_target)		return cal_error("Error calling the calendar: no target control specified");	if (obj_target.value == null)		return cal_error("Error calling the calendar: parameter specified is not valid target control");	this.target = obj_target;	this.time_comp = BUL_TIMECOMPONENT;	this.year_scroll = BUL_YEARSCROLL;		// register in global collections	this.id = calendars.length;	calendars[this.id] = this;}function cal_popup2 (str_datetime) {	this.dt_current = this.prs_tsmp(str_datetime ? str_datetime : this.target.value);	if (!this.dt_current) return;	var obj_calwindow = window.open(		'/shared/calendar.html?datetime=' + this.dt_current.valueOf()+ '&id=' + this.id,		'Calendar', 'width=200,height='+(this.time_comp ? 215 : 190)+		',status=no,resizable=no,top=200,left=200,dependent=yes,alwaysRaised=yes'	);	obj_calwindow.opener = window;	obj_calwindow.focus();}// timestamp generating functionfunction cal_gen_tsmp2 (dt_datetime) {	return(this.gen_date(dt_datetime) + ' ' + this.gen_time(dt_datetime));}// date generating functionfunction cal_gen_date2 (dt_datetime) {	return (		(dt_datetime.getMonth() < 9 ? '0' : '') + (dt_datetime.getMonth() + 1) + "/"		+ (dt_datetime.getDate() < 10 ? '0' : '') + dt_datetime.getDate() + "/"		+ dt_datetime.getFullYear()	);}// time generating functionfunction cal_gen_time2 (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 functionfunction cal_prs_tsmp2 (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 functionfunction cal_prs_date2 (str_date) {	var arr_date = str_date.split('/');	if (arr_date.length != 3) return alert ("Invalid date format: '" + str_date + "'.\nFormat accepted is dd-mm-yyyy.");	if (!arr_date[1]) return alert ("Invalid date format: '" + str_date + "'.\nNo day of month value can be found.");	if (!RE_NUM.exec(arr_date[1])) return alert ("Invalid day of month value: '" + arr_date[1] + "'.\nAllowed values are unsigned integers.");	if (!arr_date[0]) return alert ("Invalid date format: '" + str_date + "'.\nNo month value can be found.");	if (!RE_NUM.exec(arr_date[0])) return alert ("Invalid month value: '" + arr_date[0] + "'.\nAllowed values are unsigned integers.");	if (!arr_date[2]) return alert ("Invalid date format: '" + str_date + "'.\nNo year value can be found.");	if (!RE_NUM.exec(arr_date[2])) return alert ("Invalid year value: '" + arr_date[2] + "'.\nAllowed values are unsigned integers.");	var dt_date = new Date();	dt_date.setDate(1);	if (arr_date[0] < 1 || arr_date[0] > 12) return alert ("Invalid month value: '" + arr_date[0] + "'.\nAllowed range is 01-12.");	dt_date.setMonth(arr_date[0]-1);	 	if (arr_date[2] < 100) arr_date[2] = Number(arr_date[2]) + (arr_date[2] < NUM_CENTYEAR ? 2000 : 1900);	dt_date.setFullYear(arr_date[2]);	var dt_numdays = new Date(arr_date[2], arr_date[0], 0);	dt_date.setDate(arr_date[1]);	if (dt_date.getMonth() != (arr_date[0]-1)) return alert ("Invalid day of month value: '" + arr_date[1] + "'.\nAllowed range is 01-"+dt_numdays.getDate()+".");	return (dt_date)}// time parsing functionfunction cal_prs_time2 (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;}