var ds_i_date = new Date();
ds_c_month = ds_i_date.getMonth() + 1;
ds_c_year = ds_i_date.getFullYear();

// Get Element By Id
function ds_getel(id) {
	return document.getElementById(id);
}

// Get the left and the top of the element.
function ds_getleft(el) {
	var tmp = el.offsetLeft;
	el = el.offsetParent
	while(el) {
		tmp += el.offsetLeft;
		el = el.offsetParent;
	}
	return tmp;
}
function ds_gettop(el) {
	var tmp = el.offsetTop;
	el = el.offsetParent
	while(el) {
		tmp += el.offsetTop;
		el = el.offsetParent;
	}
	return tmp;
}

// Output Element
var ds_oe = ds_getel('ds_calclass');
// Container
var ds_ce = ds_getel('ds_conclass');

// Output Buffering
var ds_ob = ''; 
function ds_ob_clean() {
	ds_ob = '';
}
function ds_ob_flush() {
	ds_oe.innerHTML = ds_ob;
	ds_ob_clean();
}
function ds_echo(t) {
	ds_ob += t;
}

var ds_element; // Text Element...
var fromDateField;
var toDateField;

var ClickCalendar;

var ds_monthnames = [
'January', 'February', 'March', 'April', 'May', 'June',
'July', 'August', 'September', 'October', 'November', 'December'
]; // You can translate it for your language.

var ds_daynames = [
'Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'
]; // You can translate it for your language.


// Calendar template
function ds_template_main_above(t) 
{
	return '<table cellpadding="2" cellspacing="1" class="ds_tbl">'
	     + '<tr>'
		 + '<td colspan="6" class="monthYearDisplay"></td>'
		 + '<td class="ds_head" style="color: RED;" onclick="ds_hi();">[X]</td>'
		 + '</tr>'
	     + '<tr>'
		 //+ '<td class="ds_head" style="cursor: pointer" onclick="ds_py();">&lt;&lt;</td>'
		 + '<td colspan="2" class="ds_head" onclick="ds_pm();">&lt;Prev</td>'
		 //+ '<td class="ds_head" style="cursor: pointer" onclick="ds_hi();" colspan="3">[Close]</td>'
		 + '<td class="monthYearDisplay" colspan="3">' + t + '</td>'
		 + '<td colspan="2" class="ds_head" onclick="ds_nm();">Next&gt;</td>'
		 //+ '<td class="ds_head" style="cursor: pointer" onclick="ds_ny();">&gt;&gt;</td>'
		 + '</tr>'	     
		 + '<tr>';
}

function ds_template_day_row(t) {
	return '<td class="ds_subhead">' + t + '</td>';
	// Define width in CSS, XHTML 1.0 Strict doesn't have width property for it.
}

function ds_template_new_week() {
	return '</tr><tr>';
}

function ds_template_blank_cell(colspan) {
	return '<td colspan="' + colspan + '"></td>'
}

function ds_template_day(d, m, y) {
	//check if the selected date value should be clickable or not :-)
	var thisDate = new Date();
	var date1 = Date.parse(m + "/" + d + "/" + y);
	var date2 = Date.parse((thisDate.getMonth() + 1) + "/" + thisDate.getDate() + "/" + thisDate.getFullYear());
	//var date3 = Date.parse(ds_c_month + "/" + ds_c_day + "/" + ds_c_year);
	var date3 = Date.parse(fromDateField.value);
	var date4 = Date.parse(toDateField.value);
	
	//ds_cell_selected
	if (date1 < date2) //only disable dates before today's date
	{		
		//return '<td class="ds_cell_no">' + d + '</td>';
		return '<td class="ds_cell">' + d + '</td>';
	}
	else if(date1 < date3)
	{
		return '<td class="ds_cell" onclick="ds_onclick(' + d + ',' + m + ',' + y + ')">' + d + '</td>';
	}
	else if ((date3 <= date4) && (date1 <= date4)) //special higlight for the min to max period selected, still maintaining clickable dates
	{	
		var myval = document.getElementById('CalendarClick').value;

		if(myval=="true"){
			//alert("trueeees");
			return '<td class="ds_cell_selected" onclick="ds_onclick(' + d + ',' + m + ',' + y + ')">' + d + '</td>'; 
		}else{
			//alert("falsees");			
			return '<td class="ds_cell" onclick="ds_onclick(' + d + ',' + m + ',' + y + ')">' + d + '</td>'; 
		}
	}
	else //show normal selectable dates for the remaining period
	{
		return '<td class="ds_cell" onclick="ds_onclick(' + d + ',' + m + ',' + y + ')">' + d + '</td>';
	}
	
	//return '<td class="ds_cell" onclick="ds_onclick(' + d + ',' + m + ',' + y + ')">' + d + '</td>';
	//// Define width the day row.
}

function ds_template_main_below() {
	return '</tr>'
	     + '</table>';
}

// This one draws calendar...
function ds_draw_calendar(m, y) {
	// First clean the output buffer.
	ds_ob_clean();
	// Here we go, do the header
	ds_echo (ds_template_main_above(ds_monthnames[m - 1] + ' ' + y));
	for (i = 0; i < 7; i ++) {
		ds_echo (ds_template_day_row(ds_daynames[i]));
	}
	// Make a date object.
	var ds_dc_date = new Date();
	ds_dc_date.setDate(1);
	ds_dc_date.setMonth((m-1));
	ds_dc_date.setFullYear(y);

	if (m == 1 || m == 3 || m == 5 || m == 7 || m == 8 || m == 10 || m == 12) {
		days = 31;
	} else if (m == 4 || m == 6 || m == 9 || m == 11) {
		days = 30;
	} else {
		days = (y % 4 == 0) ? 29 : 28;
	}
	var first_day = ds_dc_date.getDay();
	//ryan
	
	var first_loop = 1;
	// Start the first week
	ds_echo (ds_template_new_week());
	// If sunday is not the first day of the month, make a blank cell...
	if (first_day != 0) {
		ds_echo (ds_template_blank_cell(first_day));
	}
	var j = first_day;
	for (i = 0; i < days; i ++) {
		// Today is sunday, make a new week.
		// If this sunday is the first day of the month,
		// we've made a new row for you already.
		if (j == 0 && !first_loop) {
			// New week!!
			ds_echo (ds_template_new_week());
		}
		// Make a row of that day!
		ds_echo (ds_template_day(i + 1, m, y));
		// This is not first loop anymore...
		first_loop = 0;
		// What is the next day?
		j ++;
		j %= 7;
	}
	// Do the footer
	ds_echo (ds_template_main_below());
	// And let's display..
	ds_ob_flush();
	// Scroll it into view.
	ds_ce.scrollIntoView();
}

// A function to show the calendar.
// When user click on the date, it will set the content of t.
function ds_sh(t, txtFrom, txtTo) 
{


	// Set the element to set...
	ds_element = t;
	fromDateField = txtFrom;
	toDateField = txtTo;
	
	
	//Check if the element has a value in it 
	var ds_sh_date
	if (t.value != '' )
	{
		ds_sh_date = t.value
 		ds_c_day = Number(ds_sh_date.substring(3,5)); //strip the day value
		ds_c_month = Number(ds_sh_date.substring(0,2)); //strip the month value
		ds_c_year = Number(ds_sh_date.substring(6,10)); //strip the year value
	}	
	else
	{
		// Make a new date, and set the current month and year.
		ds_sh_date = new Date();
		ds_c_day = ds_sh_date.getDate();
		ds_c_month = ds_sh_date.getMonth() + 1;
		ds_c_year = ds_sh_date.getFullYear();
	}
		
	//// Make a new date, and set the current month and year.
	//var ds_sh_date = new Date();

	//ds_c_month = ds_sh_date.getMonth() + 1;
	//ds_c_year = ds_sh_date.getFullYear();

	// Draw the calendar
	ds_draw_calendar(ds_c_month, ds_c_year);
	// To change the position properly, we must show it first.
	ds_ce.style.display = '';
	// Move the calendar container!
	the_left = ds_getleft(t);
	the_top = ds_gettop(t) + t.offsetHeight;
	ds_ce.style.left = the_left + 'px';
	ds_ce.style.top = the_top + 'px';
	
	// Scroll it into view.
	ds_ce.scrollIntoView();
	
	//This is a hack for IE type browsers only - Chevy B
	//var browserName=navigator.appName; 
	
	if (navigator.appName=="Microsoft Internet Explorer")
	{
		//Show and style the iframe as the calendar
		document.getElementById("calframe").style.display = '';
		//Move the iframe container!
		document.getElementById("calframe").style.left = the_left + 'px';
		document.getElementById("calframe").style.top = the_top + 'px';
		document.getElementById("calframe").style.height = ds_ce.offsetHeight; 
		document.getElementById("calframe").style.width = ds_ce.offsetWidth;
		
		// Scroll it into view.
		document.getElementById("calframe").scrollIntoView();
	}
	
	//check if the return date is greater than the departure date
	if (Date.parse(toDateField.value) < Date.parse(fromDateField.value))
	{
		//set return date = departure date
		fromDateField.value = toDateField.value;
		alert("The Return Date Cannot be prior to the Departure Date.");
	}
	
}

// Hide the calendar and IFrame.
function ds_hi() {
	ds_ce.style.display = 'none';
	document.getElementById("calframe").style.display = 'none';

}


// Moves to the next month...
function ds_nm() {
	//ryan
	// Increase the current month.
	ds_c_month ++;
	// We have passed December, let's go to the next year.
	// Increase the current year, and set the current month to January.
	if (ds_c_month > 12) {
		ds_c_month = 1; 
		ds_c_year++;
	}

	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year);
}

// Moves to the previous month...
function ds_pm() {
	ds_c_month = ds_c_month - 1; // Can't use dash-dash here, it will make the page invalid.
	// We have passed January, let's go back to the previous year.
	// Decrease the current year, and set the current month to December.
	if (ds_c_month < 1) {
		ds_c_month = 12; 
		ds_c_year = ds_c_year - 1; // Can't use dash-dash here, it will make the page invalid.
	}
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year);
}

// Moves to the next year...
function ds_ny() {
	// Increase the current year.
	ds_c_year++;
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year);
}

// Moves to the previous year...
function ds_py() {
	// Decrease the current year.
	ds_c_year = ds_c_year - 1; // Can't use dash-dash here, it will make the page invalid.
	// Redraw the calendar.
	ds_draw_calendar(ds_c_month, ds_c_year);
}

// Format the date to output.
function ds_format_date(d, m, y) {
	// 2 digits month.
	m2 = '00' + m;
	m2 = m2.substr(m2.length - 2);
	// 2 digits day.
	d2 = '00' + d;
	d2 = d2.substr(d2.length - 2);
	// YYYY-MM-DD
	return m2 + '/' + d2 + '/' + y;
}

// When the user clicks the day.
function ds_onclick(d, m, y) {
	// Hide the calendar.
	ds_hi();
	//Set indicator a date was selected
	document.getElementById('CalendarClick').value="true";

	// Set the value of it, if we can.
	if (typeof(ds_element.value) != 'undefined') {
		ds_element.value = ds_format_date(d, m, y);
	// Maybe we want to set the HTML in it.
	} else if (typeof(ds_element.innerHTML) != 'undefined') {
		ds_element.innerHTML = ds_format_date(d, m, y);
	// I don't know how should we display it, just alert it to user.
	} else {
		alert (ds_format_date(d, m, y));
	}
	
	//alert (ds_format_date(d, m, y));
	
	if (ds_element.id == fromDateField.id)
	{
		//update the fromDateField
		document.getElementById(fromDateField.id).value = ds_element.value;
	}
	else if (ds_element.id == toDateField.id)
	{
		//update the toDateField
		document.getElementById(toDateField.id).value = ds_element.value;
	}
	
	//Now check if the values are in accordance with departure < return dates
	if (Date.parse(fromDateField.value) > Date.parse(toDateField.value))
	{
		//alert('There is a problem, the Departure Date is after the Return Date, please correct before continuing.');
		document.getElementById(toDateField.id).value  = document.getElementById(fromDateField.id).value ;
	}

}

function ShowCreditCard()
{
var travelDate=new Date(document.getElementById('BookingEngine1_Air_search1_txtDeptDate').value);
var tomorrowDate=new Date();
tomorrowDate.setDate(tomorrowDate.getDate()+1);

document.getElementById('BookingEngine1_Air_search1_txtSearchCheck').value = "1";
if ( travelDate <= tomorrowDate)
{
	if (confirm("NOTE: For travel within 24 hours, the Credit Card used to purchase the ticket must be presented by the Cardholder at any Air Jamaica ticket office or at check-in counter.\n\n Click OK to proceed"))
	{
		document.getElementById('BookingEngine1_Air_search1_txtSearchCheck').value = "1";
	}else{
		document.getElementById('BookingEngine1_Air_search1_txtSearchCheck').value = "0";
	}
}

}

function ShowCreditCardWarning()
{
	alert("NOTE: For travel within 24 hours, the Credit Card used to purchase the ticket must be presented by the Cardholder at any Air Jamaica ticket office or at check-in counter.\n\n Click OK to proceed");
}