// Title: Tigra Calendar
// URL: http://www.softcomplex.com/products/tigra_calendar/
// Version: 3.4 (European date format)
// Date: 07/12/2007
// 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_FLAT = 30;
// is time input control required by default
var BUL_TIMECOMPONENT_FLAT = false;
// are year scrolling buttons required by default
var BUL_YEARSCROLL = true;

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

function calendarFlat() {
// assigning methods
	this.gen_date = cal_gen_date_flat;
	this.gen_time = cal_gen_time_flat;
	this.gen_tsmp = cal_gen_tsmp_flat;
	this.prs_date = cal_prs_date_flat;
	this.prs_time = cal_prs_time_flat;
	this.prs_tsmp = cal_prs_tsmp_flat;
	this.time_comp = BUL_TIMECOMPONENT_FLAT;
	this.year_scroll = BUL_YEARSCROLL;
	
	// register in global collections
	this.id = calendars_flat.length;
	calendars_flat[this.id] = this;
}

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

// date generating function
function cal_gen_date_flat (dt_datetime) {
	return (
		(dt_datetime.getDate() < 10 ? '0' : '') + dt_datetime.getDate() + "-"
		+ (dt_datetime.getMonth() < 9 ? '0' : '') + (dt_datetime.getMonth() + 1) + "-"
		+ dt_datetime.getFullYear()
	);
}
// time generating function
function cal_gen_time_flat (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_tsmp_flat (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_date_flat (str_date) {

	var arr_date = str_date.split('-');

	if (arr_date.length != 3) return cal_error_flat ("Invalid date format: '" + str_date + "'.\nFormat accepted is dd-mm-yyyy.");
	if (!arr_date[0]) return cal_error_flat ("Invalid date format: '" + str_date + "'.\nNo day of month value can be found.");
	if (!RE_NUM.exec(arr_date[0])) return cal_error_flat ("Invalid day of month value: '" + arr_date[0] + "'.\nAllowed values are unsigned integers.");
	if (!arr_date[1]) return cal_error_flat ("Invalid date format: '" + str_date + "'.\nNo month value can be found.");
	if (!RE_NUM.exec(arr_date[1])) return cal_error_flat ("Invalid month value: '" + arr_date[1] + "'.\nAllowed values are unsigned integers.");
	if (!arr_date[2]) return cal_error_flat ("Invalid date format: '" + str_date + "'.\nNo year value can be found.");
	if (!RE_NUM.exec(arr_date[2])) return cal_error_flat ("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_flat ("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_FLAT ? 2000 : 1900);
	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_flat ("Invalid day of month value: '" + arr_date[0] + "'.\nAllowed range is 01-"+dt_numdays.getDate()+".");

	return (dt_date)
}

// time parsing function
function cal_prs_time_flat (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_flat ("Invalid hours value: '" + arr_time[0] + "'.\nAllowed range is 00-23.");
	else return cal_error_flat ("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_flat ("Invalid minutes value: '" + arr_time[1] + "'.\nAllowed range is 00-59.");
	else return cal_error_flat ("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_flat ("Invalid seconds value: '" + arr_time[2] + "'.\nAllowed range is 00-59.");
	else return cal_error_flat ("Invalid seconds value: '" + arr_time[2] + "'.\nAllowed values are unsigned integers.");

	dt_date.setMilliseconds(0);
	return dt_date;
}

function cal_error_flat (str_message) {
	alert (str_message);
	return null;
}
///////////////////////////////////////////////////////////////////
var ARR_MONTHS_FLAT = ["January", "February", "March", "April", "May", "June",
		"July", "August", "September", "October", "November", "December"];
// week day titles as they appear on the calendar
var ARR_WEEKDAYS_FLAT = ["Su", "Mo", "Tu", "We", "Th", "Fr", "Sa"];
// day week starts from (normally 0-Su or 1-Mo)
var NUM_WEEKSTART_FLAT = 1;
// path to the directory where calendar images are stored. trailing slash req.
var STR_ICONPATH_FLAT = '/misc/img/';
var obj_caller_flat = new calendarFlat();
obj_caller_flat.year_scroll = true;
obj_caller_flat.time_comp = false;


var re_urlCur = new RegExp('c=(\\-?\\d+)');
var re_urlSel = new RegExp('s=(\\-?\\d+)');
var re_id = new RegExp('id=(\\d+)');

var dt_selected = (re_urlSel.exec(String(window.location))
	? new Date(new Number(RegExp.$1)) : new Date());
var dt_current = (re_urlCur.exec(String(window.location))
	? new Date(new Number(RegExp.$1)) : dt_selected);
var num_id = (re_id.exec(String(window.location))
	? new Number(RegExp.$1) : 0);
///////////////////////////get same date in the previous year

function prev_year(){
        
        var dt_prev_year = new Date(dt_current);
	if (obj_caller_flat && obj_caller_flat.year_scroll) {	
		dt_prev_year.setFullYear(dt_prev_year.getFullYear() - 1);
		if (dt_prev_year.getDate() != dt_current.getDate())
			dt_prev_year.setDate(0);
      }	
return dt_prev_year;
}	
//////////////////////////// get same date in the next year

function next_year(){
       
        var dt_next_year = new Date(dt_current);
	if (obj_caller_flat && obj_caller_flat.year_scroll) {		
		
		dt_next_year.setFullYear(dt_next_year.getFullYear() + 1);
		if (dt_next_year.getDate() != dt_current.getDate())
			dt_next_year.setDate(0);
	}
return dt_next_year;
}
//////////////////////////get same date in the previous month

function prev_month(){	
       
        var dt_prev_month = new Date(dt_current);
	if (dt_prev_month.getMonth()) {
		dt_prev_month.setMonth(dt_prev_month.getMonth() - 1);
		if (dt_prev_month.getDate() != dt_current.getDate())
			dt_prev_month.setDate(0);
	}
	else {
		dt_prev_month.setFullYear(dt_prev_month.getFullYear() - 1);
		dt_prev_month.setMonth(11);
	}
return dt_prev_month;
}
/////////////////////////////// get same date in the next month

function next_month(){
	
	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);
	return dt_next_month;
}

// function passing selected date to calling window
function set_datetime(start_const,date_start,date_end,tid2,tid1,move_side,n_datetime, b_close) {

        switch(move_side)
	{
	        case 1:
		dt_current=prev_year();
		break;    
		case 2:
		dt_current=prev_month();
		break;
		case 3:
		dt_current=next_month();
		break;
		case 4:
		dt_current=next_year();
		break;
		default:
		dt_current=n_datetime;
	}
        n_datetime=dt_current;
               //convert to unix time
               date_start=(dt_current.getTime()/1000);
	if (!obj_caller_flat) return;
	var dt_datetime = obj_caller_flat.prs_time((document.cal ? document.cal.time.value : ''),new Date(n_datetime)
	);
     	if (!dt_datetime) return;
	if (b_close) {
		obj_caller_flat.myvalue = (document.cal
			? obj_caller_flat.gen_tsmp(dt_datetime)
			: obj_caller_flat.gen_date(dt_datetime)
		);
               
	}
 calendarTitle(tid2,tid1,date_start,date_end,start_const);
}
////////////////////////////////////////////////////
function showLocalDate(timestamp)
{
  var dt = new Date(timestamp * 1000);
  var mm = ARR_MONTHS_FLAT[dt.getMonth()];
  return dt.getDate() +" "+ mm +" "+ dt.getFullYear();
}
//////////////create html and write for calendar 
function calendarTitle(tid2,tid1,date_start,date_end,start_const){
//alert(date_start);
// get first day to display in the grid for current month
if(date_start){
       
	var s=showLocalDate(date_start);
	 dt_current = new Date(s);
}
	var dt_firstday = new Date(dt_current);
	dt_firstday.setDate(1);
	// get last day to display in the grid for current month for ajax
	var dt_lastday= new Date(dt_current);
	dt_lastday.setDate(31);
	if (dt_lastday.getMonth()!=dt_current.getMonth()){
	     dt_lastday= new Date(dt_current);
	     dt_lastday.setDate(30);
	}
 //alert(dt_firstday);
// alert(dt_lastday);
dt_lastday.setDate(dt_lastday.getDate()+(7-dt_lastday.getDay()));
dt_firstday.setDate(1 - (7 + dt_firstday.getDay() - NUM_WEEKSTART_FLAT) % 7);
var str="";
str='<table cellspacing=\"1\" cellpadding=\"3\" border=\"0\" width=\"100%\"><tr><td colspan=\"7\" ><table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\"><tr><td nowrap>'+(obj_caller_flat&&obj_caller_flat.year_scroll?'<a href="javascript:set_datetime('+start_const+','+date_start+','+date_end+','+tid2+','+tid1+',1,'+dt_current.valueOf()+')"><img src="'+STR_ICONPATH_FLAT+'next_year.gif" width="16" height="16" border="0" alt="previous year"></a>&nbsp;':'')+'<a href="javascript:set_datetime('+start_const+','+date_start+','+date_end+','+tid2+','+tid1+',2,'+dt_current.valueOf()+')"><img src="'+STR_ICONPATH_FLAT+'next.gif" width="16" height="16" border="0" alt="previous month"></a></td>'+
'<td align="center" width="100%"><font color="#ffffff">'+ARR_MONTHS_FLAT[dt_current.getMonth()]+' '+dt_current.getFullYear() + '</font></td>'+
'<td nowrap><a href="javascript:set_datetime('+start_const+','+date_start+','+date_end+','+tid2+','+tid1+',3,'+dt_current.valueOf()+')"><img src="'+STR_ICONPATH_FLAT+'prev.gif" width="16" height="16" border="0" alt="next month"></a>'+(obj_caller_flat && obj_caller_flat.year_scroll?'&nbsp;<a href="javascript:set_datetime('+start_const+','+date_start+','+date_end+','+tid2+','+tid1+',4,'+dt_current.valueOf()+')"><img src="'+STR_ICONPATH_FLAT+'prev_year.gif" width="16" height="16" border="0" alt="next year"></a>':'')+'</td></tr></table></td></tr><tr>';
// print weekdays titles
for (var n=0; n<7; n++)
	str+='<td bgcolor="#87cefa" align="center"><font color="#ffffff">'+ARR_WEEKDAYS_FLAT[(NUM_WEEKSTART_FLAT+n)%7]+'</font></td>';
str+='</tr>';
// var myurl='ajax.php?act=festival_event_calendar&D1='+dt_current.toGMTString()+'&D2='+dt_firstday.toGMTString()+'&D3='+dt_lastday.toGMTString();
//   f=dt_firstday.getTime()/1000;
//  l=dt_lastday.getTime()/1000;
//   c=dt_current.getTime()/1000;
//   var myurl='ajax.php?act=festival_event_calendar&D1='+c+'&D2='+f+'&D3='+l;
 var myurl='ajax.php?act=festival_event_calendar&D1='+human2unix(dt_current)+'&D2='+human2unix(dt_firstday)+'&D3='+human2unix(dt_lastday);
if(tid2){
   myurl+='&tid2='+tid2;
}
if(tid1){
   myurl+='&tid1='+tid1;
}
if(date_start){
   myurl+='&Ds='+start_const;
}
if(date_end){
   myurl+='&De='+date_end;
}
 url=base_url()+myurl
var result=HTTPGet(url);
 if(result.length){
 str+=result;
 }

if (obj_caller_flat && obj_caller_flat.time_comp) {
	str+='<form onsubmit="javascript:set_datetime('+dt_current.valueOf()+', true)" name="cal"><tr><td colspan="7" bgcolor="#87CEFA"><font color="White" face="tahoma, verdana" size="2">Time: <input type="text" name="time" value="'+obj_caller_flat.gen_time(this.dt_current)+'" size="8" maxlength="8"></font></td></tr></form>';
	document.forms['cal'].elements['time'].focus();
}
str+='<tr class="calendar_legends"><td>&nbsp;</td><td colspan=2><em class="fcd09b">תאריך מדוייק</em></td><td>&nbsp;</td><td colspan=2><em class="ecfbcb">תאריך משוער</em></td><td>&nbsp;</td></tr>';
str+='</table>';
document.getElementById('calendarTitle').innerHTML="";
document.getElementById('calendarTitle').innerHTML=str;
}
function human2unix(d)
{
return ((d.getTime()-d.getMilliseconds())/1000);
}