function toggleCalendar(objname){

	var div_obj = document.getElementById('div_'+objname);

	if (div_obj.style.visibility=="hidden") {

	  div_obj.style.visibility = 'hidden';

	  document.getElementById(objname+'_frame').contentWindow.adjustContainer();

	}else{

	  div_obj.style.visibility = 'hidden';

	}

}



function setValue(objname, d){

	document.getElementById(objname).value = d;



	var dp = document.getElementById(objname+"_dp").value;

	if(dp == true){

		var date_array = d.split("-");



		var inp = document.getElementById(objname+"_inp").value;

		if(inp == true){



			document.getElementById(objname+"_day").value = padString(date_array[2].toString(), 2, "0");

			document.getElementById(objname+"_month").value = padString(date_array[1].toString(), 2, "0");

			document.getElementById(objname+"_year").value = padString(date_array[0].toString(), 4, "0");



			//check for valid day

			tc_updateDay(objname, date_array[0], date_array[1], date_array[2]);



		}else{

			if(date_array[0] > 0 && date_array[1] > 0 && date_array[2] > 0){

				//update date pane



				var myDate = new Date();

				myDate.setFullYear(date_array[0],(date_array[1]-1),date_array[2]);

				var dateFormat = document.getElementById(objname+"_fmt").value;



				var dateTxt = myDate.format(dateFormat);

			}else var dateTxt = l_sel_date;



			document.getElementById("divCalendar_"+objname+"_lbl").innerHTML = dateTxt;

		}



		toggleCalendar(objname);

	}



	checkPairValue(objname, d);



	//calling calendar_onchanged script

	

	if(document.getElementById(objname+"_och").value != "")

		calendar_onchange(objname);	



}



function tc_submitDate(objname, dvalue, mvalue, yvalue){

	var obj = document.getElementById(objname+'_frame');



	var year_start = document.getElementById(objname+'_year_start').value;

	var year_end = document.getElementById(objname+'_year_end').value;

	var dp = document.getElementById(objname+'_dp').value;

	var smon = document.getElementById(objname+'_mon').value;

	var da1 = document.getElementById(objname+'_da1').value;

	var da2 = document.getElementById(objname+'_da2').value;

	var sna = document.getElementById(objname+'_sna').value;

	var aut = document.getElementById(objname+'_aut').value;

	var frm = document.getElementById(objname+'_frm').value;

	var tar = document.getElementById(objname+'_tar').value;

	var inp = document.getElementById(objname+'_inp').value;

	var fmt = document.getElementById(objname+'_fmt').value;

	var dis = document.getElementById(objname+'_dis').value;

	var pr1 = document.getElementById(objname+'_pr1').value;

	var pr2 = document.getElementById(objname+'_pr2').value;

	var prv = document.getElementById(objname+'_prv').value;

	var path = document.getElementById(objname+'_pth').value;

	var hl = document.getElementById(objname+'_hl').value;

	var spd = document.getElementById(objname+'_spd').value;

	var spt = document.getElementById(objname+'_spt').value;

	var och = document.getElementById(objname+'_och').value;

			

	obj.src = path+"calendar_form.php?objname="+objname.toString()+"&selected_day="+dvalue+"&selected_month="+mvalue+"&selected_year="+yvalue+"&year_start="+year_start+"&year_end="+year_end+"&dp="+dp+"&mon="+smon+"&da1="+da1+"&da2="+da2+"&sna="+sna+"&aut="+aut+"&frm="+frm+"&tar="+tar+"&inp="+inp+"&fmt="+fmt+"&dis="+dis+"&pr1="+pr1+"&pr2="+pr2+"&prv="+prv+"&hl="+hl+"&spd="+spd+"&spt="+spt+"&och="+och;



	obj.contentWindow.submitNow(dvalue, mvalue, yvalue);

}



function tc_setDMY(objname, dvalue, mvalue, yvalue){

	var obj = document.getElementById(objname);

	obj.value = yvalue + "-" + mvalue + "-" + dvalue;



	tc_submitDate(objname, dvalue, mvalue, yvalue);

}



function tc_setDay(objname, dvalue){

	var obj = document.getElementById(objname);

	var date_array = obj.value.split("-");



	//check if date is not allow to select

	if(!isDateAllow(objname, dvalue, date_array[1], date_array[0]) || !checkSpecifyDate(objname, dvalue, date_array[1], date_array[0])){

		//alert(l_not_allowed);

		restoreDate(objname);

	}else{

		if(isDate(dvalue, date_array[1], date_array[0])){

			tc_setDMY(objname, dvalue, date_array[1], date_array[0]);

		}else document.getElementById(objname+"_day").selectedIndex = date_array[2];

	}



	checkPairValue(objname, obj.value);

}



function tc_setMonth(objname, mvalue){

	var obj = document.getElementById(objname);

	var date_array = obj.value.split("-");



	//check if date is not allow to select

	if(!isDateAllow(objname, date_array[2], mvalue, date_array[0]) || !checkSpecifyDate(objname, date_array[2], mvalue, date_array[0])){

		alert(l_not_allowed);

		restoreDate(objname);

	}else{

		if(document.getElementById(objname+'_dp').value && document.getElementById(objname+'_inp').value){

			//update 'day' combo box

			date_array[2] = tc_updateDay(objname, date_array[0], mvalue, date_array[2]);

		}



		if(isDate(date_array[2], mvalue, date_array[0])){

			tc_setDMY(objname, date_array[2], mvalue, date_array[0]);

		}else document.getElementById(objname+"_month").selectedIndex = date_array[1];

	}



	checkPairValue(objname, obj.value);

}



function tc_setYear(objname, yvalue){

	var obj = document.getElementById(objname);

	var date_array = obj.value.split("-");



	//check if date is not allow to select

	if(!isDateAllow(objname, date_array[2], date_array[1], yvalue) || !checkSpecifyDate(objname, date_array[2], date_array[1], yvalue)){

		//alert(l_not_allowed);

		restoreDate(objname);

	}else{

		if(document.getElementById(objname+'_dp').value && document.getElementById(objname+'_inp').value){

			//update 'day' combo box

			date_array[2] = tc_updateDay(objname, yvalue, date_array[1], date_array[2]);

		}



		if(isDate(date_array[2], date_array[1], yvalue)){

			tc_setDMY(objname, date_array[2], date_array[1], yvalue);

		}else document.getElementById(objname+"_year").value = date_array[0];

	}



	checkPairValue(objname, obj.value);

}



function yearEnter(e){

	var characterCode;



	if(e && e.which){ //if which property of event object is supported (NN4)

		e = e;

		characterCode = e.which; //character code is contained in NN4's which property

	}else{

		e = event;

		characterCode = e.keyCode; //character code is contained in IE's keyCode property

	}



	if(characterCode == 13){

		//if Enter is pressed, do nothing

		return true;

	}else return false;

}





// Declaring valid date character, minimum year and maximum year

var minYear=1900;

var maxYear=2100;



function isInteger(s){

	var i;

    for (i = 0; i < s.length; i++){

        // Check that current character is number.

        var c = s.charAt(i);

        if (((c < "0") || (c > "9"))) return false;

    }

    // All characters are numbers.

    return true;

}



function stripCharsInBag(s, bag){

	var i;

    var returnString = "";

    // Search through string's characters one by one.

    // If character is not in bag, append to returnString.

    for (i = 0; i < s.length; i++){

        var c = s.charAt(i);

        if (bag.indexOf(c) == -1) returnString += c;

    }

    return returnString;

}



function is_leapYear(year){

	return (year % 4 == 0) ?

		!(year % 100 == 0 && year % 400 != 0)	: false;

}



function daysInMonth(month, year){

	var days = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

	return (month == 2 && is_leapYear(year)) ? 29 : days[month-1];

}



function DaysArray(n) {

	for (var i = 1; i <= n; i++) {

		this[i] = 31;

		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}

		if (i==2) {this[i] = 29}

   }

   return this

}



function isDate(strDay, strMonth, strYear){

/*

	//bypass check date

	strYr=strYear

	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)

	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)

	for (var i = 1; i <= 3; i++) {

		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)

	}

	month=parseInt(strMonth)

	day=parseInt(strDay)

	year=parseInt(strYr)

	if (strMonth.length<1 || month<1 || month>12){

		alert("Please enter a valid month")

		return false

	}

	if (strDay.length<1 || day<1 || day>31 || day > daysInMonth(month, year)){

		alert("Please enter a valid day")

		return false

	}

	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){

		alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)

		return false

	}*/

	return true

}



function isDateAllow(objname, strDay, strMonth, strYear){

	var da1 = parseInt(document.getElementById(objname+"_da1").value);

	var da2 = parseInt(document.getElementById(objname+"_da2").value);



	var da1_ok = !isNaN(da1);

	var da2_ok = !isNaN(da2);



	strDay = parseInt(parseFloat(strDay));

	strMonth = parseInt(parseFloat(strMonth));

	strYear = parseInt(parseFloat(strYear));



	if(strDay>0 && strMonth>0 && strYear>0){

		if(da1_ok || da2_ok){

			// calculate the number of seconds since 1/1/1970 for the date (equiv to PHP strtotime())

			var date = new Date(strYear, strMonth-1, strDay);

			da2Set = date.getTime()/1000;



			// alert(da1+"\n"+da2+"\n"+strDay+"\n"+strMonth+"\n"+strYear+"\n"+da2Set);



			// return true if the date is in range

			if ((!da1_ok || da2Set >= da1) && (!da2_ok || da2Set <= da2)){

				return true;

			}else{

				var dateFormat = document.getElementById(objname+"_fmt").value;

				if (da1_ok){

					date.setTime(da1*1000);

					da1Str = date.format(dateFormat);

				}

				if (da2_ok){

					date.setTime(da2*1000);

					da2Str = date.format(dateFormat);

				}

				if (!da1_ok)

					alert("Please choose a date before " + da2Str);

				else if (!da2_ok)

					alert("Please choose a date after " + da1Str);

				else

					alert("Please choose a date between\n"+ da1Str + " and " + da2Str);

				return false;

			}

		}

	}



	return true; //always return true if date not completely set

}



function restoreDate(objname){

	//get the store value

	var storeValue = document.getElementById(objname).value;

	var storeArr = storeValue.split('-', 3);



	//set it

	document.getElementById(objname+'_day').value = storeArr[2];

	document.getElementById(objname+'_month').value = storeArr[1];

	document.getElementById(objname+'_year').value = storeArr[0];

}



//----------------------------------------------------------------

//javascript date format function thanks to

// http://jacwright.com/projects/javascript/date_format

//

// some modifications to match the calendar script

//----------------------------------------------------------------



// Simulates PHP's date function

Date.prototype.format = function(format) {

	var returnStr = '';

	var replace = Date.replaceChars;

	for (var i = 0; i < format.length; i++) {

		var curChar = format.charAt(i);

		if (replace[curChar]) {

			returnStr += replace[curChar].call(this);

		} else {

			returnStr += curChar;

		}

	}

	return returnStr;

};

Date.replaceChars = {

	shortMonths: [s_jan, s_feb, s_mar, s_apr, s_may, s_jun, s_jul, s_aug, s_sep, s_oct, s_nov, s_dec],

	longMonths: (l_lang != "el_GR" ? [l_january, l_february, l_march, l_april, l_may, l_june, l_july, l_august, l_september, l_october, l_november, l_december] : [l_januaryu, l_februaryu, l_marchu, l_aprilu, l_mayu, l_juneu, l_julyu, l_augustu, l_septemberu, l_octoberu, l_novemberu, l_decemberu]),

	shortDays: [s_sun, s_mon, s_tue, s_wed, s_thu, s_fri, s_sat],

	longDays: [l_sunday, l_monday, l_tuesday, l_wednesday, l_thursday, l_friday, l_saturday],



	// Day

	d: function() { return (this.getDate() < 10 ? '0' : '') + this.getDate(); },

	D: function() { return Date.replaceChars.shortDays[this.getDay()]; },

	j: function() { return this.getDate(); },

	l: function() { return Date.replaceChars.longDays[this.getDay()]; },

	N: function() { return this.getDay() + 1; },

	S: function() { return (this.getDate() % 10 == 1 && this.getDate() != 11 ? 'st' : (this.getDate() % 10 == 2 && this.getDate() != 12 ? 'nd' : (this.getDate() % 10 == 3 && this.getDate() != 13 ? 'rd' : 'th'))); },

	w: function() { return this.getDay(); },

	z: function() { return "Not Yet Supported"; },

	// Week

	W: function() { return "Not Yet Supported"; },

	// Month

	F: function() { return Date.replaceChars.longMonths[this.getMonth()]; },

	m: function() { return (this.getMonth() < 9 ? '0' : '') + (this.getMonth() + 1); },

	M: function() { return Date.replaceChars.shortMonths[this.getMonth()]; },

	n: function() { return this.getMonth() + 1; },

	t: function() { return "Not Yet Supported"; },

	// Year

	L: function() { return "Not Yet Supported"; },

	o: function() { return "Not Supported"; },

	Y: function() { return this.getFullYear(); },

	y: function() { return ('' + this.getFullYear()).substr(2); },

	// Time

	a: function() { return this.getHours() < 12 ? 'am' : 'pm'; },

	A: function() { return this.getHours() < 12 ? 'AM' : 'PM'; },

	B: function() { return "Not Yet Supported"; },

	g: function() { return this.getHours() % 12 || 12; },

	G: function() { return this.getHours(); },

	h: function() { return ((this.getHours() % 12 || 12) < 10 ? '0' : '') + (this.getHours() % 12 || 12); },

	H: function() { return (this.getHours() < 10 ? '0' : '') + this.getHours(); },

	i: function() { return (this.getMinutes() < 10 ? '0' : '') + this.getMinutes(); },

	s: function() { return (this.getSeconds() < 10 ? '0' : '') + this.getSeconds(); },

	// Timezone

	e: function() { return "Not Yet Supported"; },

	I: function() { return "Not Supported"; },

	O: function() { return (-this.getTimezoneOffset() < 0 ? '-' : '+') + (Math.abs(this.getTimezoneOffset() / 60) < 10 ? '0' : '') + (Math.abs(this.getTimezoneOffset() / 60)) + '00'; },

	T: function() { var m = this.getMonth(); this.setMonth(0); var result = this.toTimeString().replace(/^.+ \(?([^\)]+)\)?$/, '$1'); this.setMonth(m); return result;},

	Z: function() { return -this.getTimezoneOffset() * 60; },

	// Full Date/Time

	c: function() { return "Not Yet Supported"; },

	r: function() { return this.toString(); },

	U: function() { return this.getTime() / 1000; }

};





function padString(stringToPad, padLength, padString) {

	if (stringToPad.length < padLength) {

		while (stringToPad.length < padLength) {

			stringToPad = padString + stringToPad;

		}

	}else {}

/*

	if (stringToPad.length > padLength) {

		stringToPad = stringToPad.substring((stringToPad.length - padLength), padLength);

	} else {}

*/

	return stringToPad;

}



function tc_updateDay(objname, yearNum, monthNum, daySelected){

	var totalDays = daysInMonth(monthNum, yearNum);



	var dayObj = document.getElementById(objname+"_day");

	//var prevSelected = dayObj.value;



	if(dayObj.options[0].value == 0 || dayObj.options[0].value == "")

		dayObj.length = 1;

	else dayObj.length = 0;



	for(d=1; d<=totalDays; d++){

		var newOption = document.createElement("OPTION");

		newOption.text = d;

		newOption.value = d;



		dayObj.options[d] = new Option(newOption.text, padString(newOption.value, 2, "0"));

	}



	if(daySelected > totalDays)

		dayObj.value = padString(totalDays, 2, "0");

	else dayObj.value = padString(daySelected, 2, "0");



	return dayObj.value;

}



function checkPairValue(objname, d){

	var dp1 = document.getElementById(objname+"_pr1").value;

	var dp2 = document.getElementById(objname+"_pr2").value;



	if(dp1 != "" && document.getElementById(dp1) != null){ //imply to date_pair1

		document.getElementById(dp1+"_prv").value = d;



		var date_array = document.getElementById(dp1).value.split("-");



		tc_submitDate(dp1, date_array[2], date_array[1], date_array[0]);

	}



	if(dp2 != "" && document.getElementById(dp2) != null){ //imply to date_pair2

		document.getElementById(dp2+"_prv").value = d;



		var date_array = document.getElementById(dp2).value.split("-");



		tc_submitDate(dp2, date_array[2], date_array[1], date_array[0]);

	}

}



function checkSpecifyDate(objname, strDay, strMonth, strYear){

	var spd = document.getElementById(objname+"_spd").value;

	var spt = document.getElementById(objname+"_spt").value;



	//alert(spd);



	var sp_dates = JSON.parse(spd);

	var found = false;



	for (var key in sp_dates[2]) {

	  if (sp_dates[2].hasOwnProperty(key)) {

		//alert(key + " -> " + p[key]);

		this_date = new Date(sp_dates[2][key]*1000);

		if(this_date.getDate() == parseInt(parseFloat(strDay)) && (this_date.getMonth()+1) == parseInt(parseFloat(strMonth))){

			found = true;

			break;

		}

	  }

	}



	if(!found){

		for (var key in sp_dates[1]) {

		  if (sp_dates[1].hasOwnProperty(key)) {

			//alert(key + " -> " + p[key]);

			this_date = new Date(sp_dates[1][key]*1000);

			if(this_date.getDate() == parseInt(parseFloat(strDay))){

				found = true;

				break;

			}

		  }

		}

	}





	if(!found){

		var choose_date = new Date(strYear, strMonth-1, strDay);

		var choose_time = choose_date.getTime()/1000;

	

		for (var key in sp_dates[0]) {

		  if (sp_dates[0].hasOwnProperty(key)) {

			//alert(key + " -> " + p[key]);

			if(choose_time == sp_dates[0][key]){

				found = true;

				break;

			}

		  }

		}

	}



	//alert("aa:"+found);



	switch(spt){

		case 0:

		default:

			//date is disabled

			if(found){

				alert(l_not_allowed);

				return false;

			}

			break;

		case 1:

			//other dates are disabled

			if(!found){

				alert(l_not_allowed);

				return false;

			}

			break;

	}



	return true;

}



function urldecode (str) {

	return decodeURIComponent((str + '').replace(/\+/g, '%20'));

}



function calendar_onchange(objname){

	//you can modify or replace the code below

	var fc = document.getElementById(objname+"_och").value;

	//alert("Date has been set to "+obj.value);

	eval(urldecode(fc));

}



function setDateLabel(objname){

	var lbl = document.getElementById("divCalendar_"+objname+"_lbl");

	if(lbl != null){

		var d = document.getElementById(objname).value;

 

		var dateTxt = l_sel_date;

  

		if(d != "0000-00-00"){  

			var date_array = d.split("-");

   

			var myDate = new Date();

			myDate.setFullYear(date_array[0],(date_array[1]-1),date_array[2]);

			var dateFormat = document.getElementById(objname+"_fmt").value;

  

			dateTxt = myDate.format(dateFormat); 

		}

		lbl.innerHTML = dateTxt;

	}

}