/*========================================================================================
  
$rcsfile: AvailabilitySearchInput.js $

$Revision: 1.10.2.1a $ $Date: 2006/04/05 15:45:19 $
*** AirTran modified

Summary:	JavaScript file for the AvailabilitySearchInput control. Content moved from the C# code.

------------------------------------------------------------------------------------------
This file is part of the Navitaire NewSkies application.
Copyright (C) Navitaire.  All rights reserved.
========================================================================================*/

var ElementsState = new Array();
var ExistingMarkets = new Array();
var aliasStations = null;

var optBackAT = '#ffffff';
var optBackF9 = '#d4d6e3';

function arrayInsert(arr, item, loc) {
	if (loc > arr.length) loc = arr.length;
	if (loc < 0) loc = 0;
	
	for (var i = arr.length; i > loc; i--) {
		arr[i] = arr[i - 1];
	}
	
	arr[loc] = item;
}

function createAliasStation(stationCode, aliasCode, aliasName) {
	if (Stations[stationCode]) 
	{
		Stations[aliasCode] = new Station(stationCode, "", aliasName, true, true, Stations[stationCode].mkts);
	}
}

function addAliasStations() {

	// check the stations hash
	if ((!Stations) || (!Stations.length == 0)) return;


	
	aliasStations = new Array("CA1","BT1","PH1","PH2");

	createAliasStation("CAK", "CA1", "Cleveland AREA");
	createAliasStation("BTV", "BT1", "Montreal AREA");
	createAliasStation("PHF", "PH1", "Norfolk AREA");
	createAliasStation("PHF", "PH2", "Williamsburg, VA");
	
	for (var i = 0; i < aliasStations.length; i++) {
		var aliasStn = Stations[aliasStations[i]];
		
		for (var stnCode in Stations) 
		{
			var stn = Stations[stnCode];
			if ((!stn) || (!stn.mkts)) continue;
			
  		// check this station's markets, and add the alias if its real station is in the list
			for (var j = 0; j < stn.mkts.length; j++) {
				if (stn.mkts[j] == aliasStn.code) {
					arrayInsert(stn.mkts, aliasStations[i], i);
					break;
				}
			}
		}
		//add the new alias at the end; we'll sort later
        SortedStations[SortedStations.length] = aliasStations[i];			
		

	}
	
	SortedStations.sort(sortByStationName);
	
	
	//now add ATL at the top:
	createAliasStation("ATL", "AT1", "Atlanta, GA");
	arrayInsert(SortedStations, "AT1", 0);

}


//Use this function to sorts the SortedStation array by the 
//Station Name - like so: SortedStations.sort(sortByStationName)
function sortByStationName(a, b) {
  
  if (Stations[a] == null)
  {
  return 1;
  }  
  if (Stations[b] == null)
  {
  return -1;
  }  
    var x = Stations[a].name;
    var y = Stations[b].name;
    return ((x < y) ? -1 : ((x > y) ? 1 : 0));
}
function stripNonATArray(arr) {
	for (var i = (arr.length - 1); i >= 0; i--) {
		if ((!Stations[arr[i]]) || (! Stations[arr[i]].isAT)) {
			arr.splice(i,1);
		}
	}
}

function stripNonATStations() {
	if ((!Stations) || (!Stations.length == 0)) return;
	if (window.airlineATArrayValues == null) return;
	
	// make sure we've already parsed all the stations
	processAirlineStations();
	for (var stnCode in Stations) {
		if (!Stations[stnCode].isAT) {
			Stations[stnCode] = null;
			delete Stations[stnCode];
		} else {
			stripNonATArray(Stations[stnCode].mkts);
		}
	}
	
	stripNonATArray(SortedStations);
}

function stripDenver(arr) {
	for (var i = 0; i < arr.length; i++) {
		if (arr[i] == 'DEN') {
			arr.splice(i,1);
			return;
		}
	}
}

function stripGLStations(arr) {
	for (var i = (arr.length - 1); i >= 0; i--) {
		if (airlineGLArrayValues.indexOf(arr[i]) != -1) {
			arr.splice(i,1);
		}
	}
}

function processAirlineStations() {
	if ((!Stations) || (!Stations.length == 0)) return;
	if (window.airlineATArrayValues == null) return;
	if (window.airlineF9ArrayValues == null) {
		airlineF9ArrayValues = '';
	}
	
	for (var stnCode in Stations) {
		var stn = Stations[stnCode];
		if (!stn) continue;
		stn.isAT = (airlineATArrayValues.indexOf(stn.code) != -1);
		stn.isF9 = (airlineF9ArrayValues.indexOf(stn.code) != -1);
		
		// check if GL station
		if (window.airlineGLArrayValues != null) {
			if (airlineGLArrayValues.indexOf(stn.code) != -1) {
				stripDenver(stn.mkts);
				stripGLStations(stn.mkts);
			}
		}
	}
	
	if (window.airlineGLArrayValues != null) {
		stripGLStations(Stations['DEN'].mkts);
	}
}

//// Assumes that Stations and SortedStations arrays were initialized and populated above
//function changeDest(o, d, dVal)
//{
//	if (!document.images) {	return;	}
//	if (!d) return;

//	var dLabel = d.options[0].text;
//	var oIx = eval(o.selectedIndex);
//	var dIx = 0;
//	var name = '';

//	if (oIx > 0)
//	{
//		var oVal = o.options[oIx].value;
//		var oStation = Stations[oVal];
//		
//		// clear and begin new destList
//		d.length = 1;
//		d.options[0] = new Option(dLabel);
//        if(d.getAttribute('requiredEmpty'))
//        {
//		    d.options[0].value = d.getAttribute('requiredEmpty');
//        }
//        
//		for (var i=0; i < SortedStations.length; i++)
//		{
//			for (j=0; j < oStation.mkts.length; j++)
//			{
//				var stnCode	= oStation.mkts[j];
//				if ((SortedStations[i] == stnCode) && (Stations[stnCode].validDest == true))
//				{
//					if ( stnCode == dVal ) { dIx = d.length; }

//					d.length += 1;
//					if (showStationCodes)
//					{
//						name = Stations[stnCode].name + ' (' + Stations[stnCode].code + ')';
//					}
//					else
//					{
//						name = Stations[stnCode].name;
//					}
//					d.options[d.length-1] = new Option( name );
//					d.options[d.length-1].value = Stations[stnCode].code;
//					
//					// calculating backgrounds
//					// only AT, show all as AT
//					if (oStation.isAT && !oStation.isF9) {
//						d.options[d.length-1].style.background = optBackAT;
//					} else if (oStation.isF9 && !oStation.isAT) {
//						d.options[d.length-1].style.background = optBackF9;
//					} else {
//						d.options[d.length-1].style.background = (Stations[stnCode].isAT) ? optBackAT : optBackF9;
//					}
//					break;
//				}
//			}

//			if (d.length-1 == oStation.mkts.length) { break; }
//		}

//		d.selectedIndex = dIx;
//	}
//	else
//	{
//		fillList(d, dVal);
//	}
//} // end changeDest

//klp - updated for 2.0.2 (9/5/2007)
function changeDest(o, d, dVal)
{
	if (!document.images) {	return;	}

	if (!d) { return;	}

	var dLabel = d.options[0].text;
	var oIx = eval(o.selectedIndex);
	var dIx = 0;
	var name = '';

	if (oIx > 0)
	{
		var oVal = o.options[oIx].value;

		// clear and begin new destList
		d.length = 1;
		d.options[0] = new Option(dLabel);
        if(d.getAttribute('requiredEmpty'))
            {
                d.options[0].value = d.getAttribute('requiredEmpty');
            }  
        
		for (var i=0; i < SortedStations.length; i++)
		{
			for (j=0; j<Stations[oVal].mkts.length; j++)
			{
				//alert(j);
				var stnCode	= Stations[oVal].mkts[j];
				if ((SortedStations[i] == stnCode) && (Stations[stnCode] != undefined) && (Stations[stnCode].validDest == true))
				{
					if ( stnCode == dVal ) { dIx = d.length; }

					d.length += 1;
					if (showStationCodes)
					{
						name = Stations[stnCode].name + ' (' + Stations[stnCode].code + ')';
					}
					else
					{
						name = Stations[stnCode].name;
					}
					d.options[d.length-1] = new Option( name );
					d.options[d.length-1].value = Stations[stnCode].code;
					
					// calculating backgrounds
					// only AT, show all as AT
					if (Stations[oVal].isAT && !Stations[oVal].isF9) {
						d.options[d.length-1].style.background = optBackAT;
					} else if (Stations[oVal].isF9 && !Stations[oVal].isAT) {
						d.options[d.length-1].style.background = optBackF9;
					} else {
						d.options[d.length-1].style.background = (Stations[stnCode].isAT) ? optBackAT : optBackF9;
					}
					break;
				}
			}

			if (d.length-1 == Stations[oVal].mkts.length) { break; }
		}

		d.selectedIndex = dIx;
	}
	else
	{
		fillList(d, dVal);
	}
	
//	getCityDefaultsFromCookie();
} // end changeDest

// Assumes that Stations and SortedStations arrays were initialized and populated above
//function fillList(d, dVal)
//{
//	if (!d) { return; }
//	if (!aliasStations) {
//		addAliasStations();
//		processAirlineStations();
//	}
//	
//	var dLabel = d.options[0].text;

//	if ((dVal == '') && (d.selectedIndex > -1))
//	{
//		dVal = d.options[ d.selectedIndex ].value;
//	}
//	var dIx = 0;

//	d.length = 1;
//	d.options[0] = new Option(dLabel);
//	if(d.getAttribute('requiredEmpty'))
//    {
//        d.options[0].value = d.getAttribute('requiredEmpty');
//    }       
//	
//	var name = '';
//	for (var i=0; i<SortedStations.length; i++)
//	{
//		stnCode	= SortedStations[i];
//		if (Stations[stnCode].validDest == true)
//		{
//			if (dVal == stnCode)
//			{
//				dIx = d.length;
//			}
//			d.length += 1;
//			if (showStationCodes)
//			{
//				name = Stations[stnCode].name + ' (' + Stations[stnCode].code + ')';
//			}
//			else
//			{
//				name = Stations[stnCode].name;
//			}
//			d.options[d.length-1] = new Option( name );
//			d.options[d.length-1].value = Stations[stnCode].code;
//			d.options[d.length-1].style.background = (Stations[stnCode].isAT) ? optBackAT : optBackF9;
//		}
//	}

//	d.selectedIndex = dIx;

//}	// end fillList

//klp - updated for 2.0.2 (9/5/2007)
function fillList(d, dVal)
{
//  if (!d) { alert("There's no DropDownDest!"); return; }
    if (!d) { return; }
    if (!aliasStations) {
        addAliasStations();
        processAirlineStations();
    }
	var dLabel = d.options[0].text;

	if ((dVal == '') && (d.selectedIndex > -1))
	{
		dVal = d.options[ d.selectedIndex ].value;
	}
	var dIx = 0;

	d.length = 1;
	d.options[0] = new Option(dLabel);
	if(d.getAttribute('requiredEmpty'))
    {
        d.options[0].value = d.getAttribute('requiredEmpty');
    }  
       
	
	var name = '';
	for (var i=0; i<SortedStations.length; i++)
	{
		stnCode	= SortedStations[i];

	
        var station = Stations[stnCode];
        if (!station)
        {
            //alert("no station for " + stnCode);
            continue;
        }
    
		if (Stations[stnCode].validDest == true)
		{
			if (dVal == stnCode)
			{
				dIx = d.length;
			}
			d.length += 1;
			if (showStationCodes)
			{
				//name = Stations[stnCode].name + ' (' + stnCode + ')';
				name = Stations[stnCode].name + ' (' + Stations[stnCode].code + ')';
			}
			else
			{
				name = Stations[stnCode].name;
			}
			d.options[d.length-1] = new Option( name);
			d.options[d.length-1].value = Stations[stnCode].code;
			d.options[d.length-1].style.background = (Stations[stnCode].isAT) ? optBackAT : optBackF9;
		}
	}

	d.selectedIndex = dIx;
    getCityDefaultsFromCookie();

}	// end fillList

function ToggleElementVisibility(idPS, vis) {
	if(!document.getElementById || !document.createTextNode)
		return true;

	// if being passed element names
	if (idPS[0] == '_') idPS = applicationJavaScriptHtmlId + idPS;
	
	var element = document.getElementById(idPS);
	if (! element) return;
	
	// compute the new class
	var newClass = element.className.replace(/hidden/,'');
	if (! vis) {
		newClass += ' hidden';
	}

	element.className = newClass;
}

function HideShowMarket(mktIx, disp)
{
	if(!document.getElementById || !document.createTextNode)
		return true;

	var disp = (disp == 'block');
	
	ToggleElementVisibility('_LabelMarketDate' + mktIx,disp);
	ToggleElementVisibility('_LabelMarketStation' + mktIx,disp);
	ToggleElementVisibility('_TextBoxMarketOrigin' + mktIx,disp);
	ToggleElementVisibility('_TextBoxMarketDestination' + mktIx,disp);
	ToggleElementVisibility('_DropDownListMarketOrigin' + mktIx,disp);
	ToggleElementVisibility('_DropDownListMarketDestination' + mktIx,disp);
	ToggleElementVisibility('_DropDownListMarketDay' + mktIx,disp);
	ToggleElementVisibility('_DropDownListMarketMonth' + mktIx,disp);
	ToggleElementVisibility('_DropDownListMarketDateRange' + mktIx,disp);
	ToggleElementVisibility('_HyperLinkMarketCalendar' + mktIx,disp);
	ToggleElementVisibility('_Market' + mktIx + 'Block',disp);
}

function DisableEnableMarket(mktIx, disableStatus)
{
	if(!document.getElementById || !document.createTextNode)
		return true;

	var orig = document.getElementById(applicationJavaScriptHtmlId + '_TextBoxMarketOrigin' + mktIx);
	var dest = document.getElementById(applicationJavaScriptHtmlId + '_TextBoxMarketDestination' + mktIx);
	var listOrigin = document.getElementById(applicationJavaScriptHtmlId + '_DropDownListMarketOrigin' + mktIx);
	var listDest = document.getElementById(applicationJavaScriptHtmlId + '_DropDownListMarketDestination' + mktIx);
	var day = document.getElementById(applicationJavaScriptHtmlId + '_DropDownListMarketDay' + mktIx);
	var month = document.getElementById(applicationJavaScriptHtmlId + '_DropDownListMarketMonth' + mktIx);
	var dateRange = document.getElementById(applicationJavaScriptHtmlId + '_DropDownListMarketDateRange' + mktIx);
	var cal = document.getElementById(applicationJavaScriptHtmlId + '_HyperLinkMarketCalendar' + mktIx);
	
	if (orig) orig.disabled=disableStatus;
	if (dest) dest.disabled=disableStatus;
	if (listOrigin) listOrigin.disabled=disableStatus;
	if (listDest) listDest.disabled=disableStatus;
	if (day) day.disabled=disableStatus;
	if (month) month.disabled=disableStatus;
	if (dateRange) dateRange.disabled=disableStatus;
	if (cal) cal.disabled=disableStatus;
}

function CheckBahamas() {
	// only care about one-way trips
	var mktStructure = GetMarketStructure();
	if (mktStructure != 'OneWay') return;
	
	// find the dropdown list for the destination
	var ds = document['SkySales'];
	var dest = ds[applicationJavaScriptHtmlId + '_DropDownListMarketDestination1'];
	if (dest == null) return;
	
	if (dest.options[dest.selectedIndex].value == 'FPO') {
		alert('Note: You must be a Bahamian resident to book one-way travel to the Bahamas. All other travelers must have a return or onward ticket.');
	}
}

function ATAvailabilitySearchInputSearchView_Validate(validateEventArgs)
{
	if (CheckCities() && CheckDates() && CheckPaxCount())
	{
		CheckBahamas();

		return true;
	}

	return false;
}

function CheckPassengers()
{
	var ds = document['SkySales'];
	var adult = GetValue(applicationJavaScriptHtmlId + '_DropDownListPassengerType_ADT')*1;

	if (adult == 0)
	{
		alert('Please select a number of passengers.');
		return false;
	}

	return true;
}

function UpdateCalendarDate(updateCalendarDateEventArgs)
{
	var ds = document['SkySales'];
	var dropDownListMarketDay = applicationJavaScriptHtmlId + '_DropDownListMarketDay' + updateCalendarDateEventArgs.passedInfo;
	var dropDownListMarketMonth = applicationJavaScriptHtmlId + '_DropDownListMarketMonth' + updateCalendarDateEventArgs.passedInfo;
			
	var month = updateCalendarDateEventArgs.dateSelected.getMonth() + 1;
	if(month < 10)
	{
		month = '0' + month;
	}
	var day = updateCalendarDateEventArgs.dateSelected.getDate();
	if(day < 10)
	{
		day = '0' + day;
	}
			
	ds[dropDownListMarketMonth].value = updateCalendarDateEventArgs.dateSelected.getYear() + '-' + month;
	ds[dropDownListMarketDay].value = day;
}



function updateDates(inputName) {
	var mktIx = inputName.charAt(inputName.length - 1) * 1;
	var ddlDayPrefix = applicationJavaScriptHtmlId + '_DropDownListMarketDay';
	var ddlMonthPrefix = applicationJavaScriptHtmlId + '_DropDownListMarketMonth';

	var i = mktIx + 1;
	while (theForm.elements[ddlDayPrefix+i] != null) {
		if ((theForm.elements[ddlMonthPrefix+i].selectedIndex < theForm.elements[ddlMonthPrefix+mktIx].selectedIndex) ||
			((theForm.elements[ddlMonthPrefix+i].selectedIndex == theForm.elements[ddlMonthPrefix+mktIx].selectedIndex) &&
			(theForm.elements[ddlDayPrefix+i].selectedIndex < theForm.elements[ddlDayPrefix+mktIx].selectedIndex))) {
			
			theForm.elements[ddlDayPrefix+i].selectedIndex = theForm.elements[ddlDayPrefix+mktIx].selectedIndex;
			theForm.elements[ddlMonthPrefix+i].selectedIndex = theForm.elements[ddlMonthPrefix+mktIx].selectedIndex;
		}
		mktIx = i;
		i++;
	}
}

// find the index of where value is in the list
// and returns the index.
function findIndexByValue(list, value)
{
	var i=0;
	while ( i< list.length )
	{
		if ( list[i].value == value )
			return i;
		i++;
	}
	return -1;
}

function addOption(list, text, value)
{
	var idx = list.length;
	list[idx]=new Option(text);
	list[idx].value=value;
	list.selectedIndex=idx;
	return idx;
}

function setDatesState(state, mktIx)
{
	ElementsState['DropDownListMarketDay'+mktIx] = state;
	ElementsState['DropDownListMarketMonth'+mktIx] = state;
	ElementsState['DropDownListMarketDateRange'+mktIx] = state;
	ElementsState['HyperLinkMarketCalendar'+mktIx] = state;
}

function setPaxsState(state)
{
	ElementsState['DropDownListAdult'] = state;
	ElementsState['DropDownListChild'] = state;
	ElementsState['DropDownListInfant'] = state;
	ElementsState['PassengersBlock'] = state;
}

function setMarketState(state, mktIx)
{
	ElementsState['Market'+mktIx+'Block'] = state;
}

function validateElement(elementName)
{
	if ((document['SkySales'][applicationJavaScriptHtmlId + '_' + elementName]) && (ElementsState[elementName]!= 'cancel') ) 
		return true;
	return false;
}


//This function uses the global variable applicationNumberOfMarketsToOffer, defined in the XSLT file for the 
//AvailabilitySearchInput control.
var previousMarketStructure = '';
function ReturnDateDisplay()
{
	if(!document.getElementById || !document.createTextNode)
		return true;

	var ds = document['SkySales'];					
	var selected   = GetMarketStructure();
	var rowsToHide = null;
	var rowsToShow = null;

	if (selected == 'OneWay')
	{
		rowsToHide	= ['OpenJaw_msg','Market1_head','Market2_head','Market2_from','Market2_to','OpenJaw_divider','Market2_date','Market2_range'];
	}
	else  if (selected == 'RoundTrip')
	{
		rowsToHide	= ['OpenJaw_msg','Market1_head','Market2_head','Market2_from','Market2_to','OpenJaw_divider'];
		rowsToShow	= ['Market2_date','Market2_range'];
	}
	else if (selected == 'OpenJaw')
	{
		rowsToShow = ['OpenJaw_msg','Market1_head','Market2_head','Market2_from','Market2_to','OpenJaw_divider','Market2_date','Market2_range'];
		
		// update city pairs if we're moving to open jaw
		if (previousMarketStructure != 'OpenJaw') {
			UpdateCityPairs();
		}
	}

	for (var row in rowsToHide)
		ToggleElementVisibility(rowsToHide[row],false);
	for (var row in rowsToShow)
		ToggleElementVisibility(rowsToShow[row],true);
	
	previousMarketStructure = selected;
}

function UpdateCityPairs() {
	var ds = document['SkySales'];

	var dOrigin	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketOrigin1']; 
	var dDest	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketDestination1'];
	var rOrigin	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketOrigin2']; 
	var rDest	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketDestination2'];
	
	var dDestValue = dDest.options[dDest.selectedIndex].value;
	rOrigin.selectedIndex = 0;
	for (var i = 0; i < rOrigin.options.length; i++) {
		if (rOrigin.options[i].value == dDestValue) {
			rOrigin.selectedIndex = i;
			break;
		}
	}
	rOrigin.onchange();
	
	var dOriginValue = dOrigin.options[dOrigin.selectedIndex].value;
	rDest.selectedIndex = 0;
	for (var i = 0; i < rDest.options.length; i++) {
		if (rDest.options[i].value == dOriginValue) {
			rDest.selectedIndex = i;
			break;
		}
	}
}

function GetMarketStructure()
{
	var radioGroup = document['SkySales'][applicationHtmlId + 'RadioButtonMarketStructure'];

	var selected   = '';

	if (radioGroup)
	{
		if (radioGroup[0]) // array of buttons
		{
			for (var i=0; i<radioGroup.length; i++)
			{
				if (radioGroup[i].checked)
				{
					selected = radioGroup[i].value;
					break;
				}
			}
		}
		else // single button
		{
			selected = radioGroup.value;
		}

		if (selected=='OneWay')
		{
			numMarketsToValidate=1;
			numDatesToValidate=1;
		}
		else if (selected=='RoundTrip')
		{
			numMarketsToValidate=1;
			numDatesToValidate=2;
		}
		else if (selected=='OpenJaw')
		{
			numMarketsToValidate=2;
			numDatesToValidate=2;
		}
		else 
		{
			numMarketsToValidate=applicationNumberOfMarketsToOffer; //set to max
			numDatesToValidate=applicationNumberOfMarketsToOffer;
		}

		return selected;
	}				
}
	

/*
* Validates that the first departure date selected is not before the current date
* Validates that the date for marketN is not earlier than marketN-1
*/
function CheckDates()
{	
	var ds=document['SkySales'];					
	var dateToCompare = applicationFormatedDate; 
	var dayToday = applicationFormatedDay;
	var monthYearValue = applicationFormatedDateTime;

	for (var mktIx=1; mktIx<=numDatesToValidate; mktIx++)
	{
		if (MarketAction[mktIx] == 'Cancel')
			continue;

		if (!validateElement('DropDownListMarketDay' + mktIx))
			continue;

		var mktDay 	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketDay'+mktIx].options[ds[applicationJavaScriptHtmlId + '_DropDownListMarketDay'+mktIx].selectedIndex].value;
		var mktMonth	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].options[ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].selectedIndex].value.substring(5, 7);
		var mktYear	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].options[ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].selectedIndex].value.substring(0, 4);
		var mktMonthText	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].options[ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].selectedIndex].text;
		var mkt2Lines	= 0;	// TODO: set this to 1 if/when mkt2 month and day lists have a default '-' item at index 0.
		var mktDate = ''+mktYear+mktMonth+mktDay;
		
		if (! CheckDaysOfMonth(mktDay, mktMonth, mktYear))
		{
			var months = ['January','February','March','April','May','June','July','August','September','October','November','December'];
			alert(localizedTextInvalidDatePre + mktDay + localizedTextInvalidDateMid + months[mktMonth - 1] + localizedTextInvalidDatePost);
			return false;
		}
		
		// alert(mktIx+' '+MarketLiftStatus[mktIx]);
		// don't check date if liftstatus is not default
		if ((mktDate < dateToCompare) && ((MarketLiftStatus[mktIx] == applicationLiftStatus) || (! MarketLiftStatus[mktIx])))
		{
			if (mktIx == 1)
			{
				if (MarketAction[mktIx] != 'Retain') {
					// if dptr of first market is past date, display alert and set to current date
					var msg=localizedTextPastDatePre;

					// don't want to reset the date when it's not 'change'
					// 'retain' is supposed to keep the old dates
					if (MarketAction[mktIx]=='New' || MarketAction[mktIx]=='Change')
					{
						msg=msg+localizedTextPastDatePost;
						alert(msg);
						ds[applicationJavaScriptHtmlId + '_DropDownListMarketDay'+mktIx].options.selectedIndex = dayToday - 1;
						ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].options.selectedIndex = findIndexByValue(ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx],monthYearValue);
					}
					else
						alert(msg);
					return false;
				}
			}
			else
			{
				var msg=localizedTextEarlierDatePre;
				if (MarketAction[mktIx]=='New' || MarketAction[mktIx]=='Change')
				{
					msg=msg+localizedTextEarlierDatePost;
					alert(msg);
					ds[applicationJavaScriptHtmlId + '_DropDownListMarketDay'+mktIx].options.selectedIndex = eval(ds[applicationJavaScriptHtmlId + '_DropDownListMarketDay'+(mktIx-1)].options.selectedIndex) + mkt2Lines;
					ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].options.selectedIndex = eval(ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+(mktIx-1)].options.selectedIndex) + mkt2Lines;
				}
				else
					alert(msg);
				return false;
			}
		}
		
		dateToCompare = mktDate;

	}

	dateToCompare = applicationFormatedDate;
	
	// look for first market that's not 'Cancel'and not 'Retain'
	// these are the markets where availability will be obtained
	for (var mktIx=1; mktIx<=numDatesToValidate; mktIx++)
	{
		if (MarketAction[mktIx] == 'Cancel' || MarketAction[mktIx] == 'Retain')
			continue;
		if (!validateElement('DropDownListMarketDay' + mktIx))
			continue;

	var mktDay 	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketDay'+mktIx].options[ds[applicationJavaScriptHtmlId + '_DropDownListMarketDay'+mktIx].selectedIndex].value;
	var mktMonth	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].options[ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].selectedIndex].value.substring(5, 7);
	var mktYear	= ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].options[ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth'+mktIx].selectedIndex].value.substring(0, 4);
	var mktDate = ''+mktYear+mktMonth+mktDay;

	if (mktDate == dateToCompare)
	{
		var todayDateMsg = localizedTextTodaysDateMessage;
		if (todayDateMsg)
		{
			alert(todayDateMsg);
		}
	}
	break; 
	} // end loop to look for first market that's not 'Cancel'and not 'Retain'

	return true;
}

var tempEventArgs;
var retryCount = 0;
function UpdateFlightSearch(eventArgs)
{
	//Safe retry if the object hasn't been initialized yet
	if (ExistingMarkets == null || ExistingMarkets.length == 0)
	{
		tempEventArgs = eventArgs;
		retryCount++;
		if (retryCount < 4)
		{
			setTimeout('UpdateFlightSearch(tempEventArgs)',50);
		}
		
		return;
	}
	
	var allowOpenJaw = applicationOpenJawEnabled;
	var ds = document['SkySales'];

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

		var orig = ds[applicationJavaScriptHtmlId + '_TextBoxMarketOrigin' + (i+1)];
		var dest = ds[applicationJavaScriptHtmlId + '_TextBoxMarketDestination' + (i+1)]; 
		var listOrigin = ds[applicationJavaScriptHtmlId + '_DropDownListMarketOrigin' + (i+1)]; 
		var listDest = ds[applicationJavaScriptHtmlId + '_DropDownListMarketDestination' + (i+1)]; 
		var day = ds[applicationJavaScriptHtmlId + '_DropDownListMarketDay' + (i+1)];
		var month = ds[applicationJavaScriptHtmlId + '_DropDownListMarketMonth' + (i+1)];

		if ( eventArgs.SelectedModificationsArray[i] == 'Retain')
		{
			var ds = document['SkySales'];
			var idx=-1;
			// revert values to market from existing booking 
			if (orig) orig.value=ExistingMarkets[i+1].orig;
			if (dest) dest.value=ExistingMarkets[i+1].dest;

			if (listOrigin)
			{
					listOrigin.selectedIndex=findIndexByValue(listOrigin,ExistingMarkets[i+1].orig);
					changeDest(listOrigin, listDest, listOrigin,ExistingMarkets[i+1].orig);
					idx= findIndexByValue(listDest,ExistingMarkets[i+1].dest);
					if (idx== '-1')
						addOption(listDest,ExistingMarkets[i+1].dest, ExistingMarkets[i+1].dest);
					else
						listDest.selectedIndex=idx;
			}
			if (day) day.selectedIndex=findIndexByValue(day,ExistingMarkets[i+1].day);
			if (month)
			{
			
				idx=findIndexByValue(month,ExistingMarkets[i+1].monthYearValue);
				if (idx== '-1')
					addOption(month, ExistingMarkets[i+1].monthYear, ExistingMarkets[i+1].monthYearValue);
				else
					month.selectedIndex=idx;
					
			}
			// diabled = retained
			setStationsState('retain', i+1);
			setDatesState('retain', i+1);
			setMarketState('retain', i+1);
			setPaxsState('retain');
			MarketAction[i+1] = 'Retain';
		}
		else if ( eventArgs.SelectedModificationsArray[i] == 'Change')
		{
			// enabled = change
			setDatesState('change', i+1);
			setMarketState('change', i+1);
			MarketAction[i+1] = 'Change';
			if (exists('Retain'))
			{
				setPaxsState('retain');
				if (allowOpenJaw)
					setStationsState('change', i+1);
				else
					setStationsState('cancel', i+1);
			}
			else //if all other mkts == Change or Cancel
			{
				setStationsState('change', i+1);
				setPaxsState('change');
			}
		}
		else // mkt == 'Cancel'
		{

			if (orig) orig.value=localizedTextTextBoxMarketOrigin;
			if (dest) dest.value=localizedTextTextBoxMarketDestination;

			if (listOrigin)
			{
					listOrigin.selectedIndex=findIndexByValue(listOrigin,'???');
					listDest.selectedIndex=findIndexByValue(listDest,'???');
			}

			// hidden = cancel
			setStationsState('cancel', i+1);
			setDatesState('cancel', i+1);
			setMarketState('cancel', i+1);
			MarketAction[i+1] = 'Cancel';
			if (all('Cancel'))
				setPaxsState('cancel');
		}
	}

	// changeInterface();

}

function changeInterface()
{
	if(!document.getElementById || !document.createTextNode)
		return true;

	var ds = document['SkySales'];
	for (var id in ElementsState)
	{
		if (ElementsState[id] == 'retain')
		{
			if (document.getElementById(applicationJavaScriptHtmlId + '_'+id)) document.getElementById(applicationJavaScriptHtmlId + '_'+id).style.display = 'inline';
			if (ds[applicationJavaScriptHtmlId + '_'+id]) ds[applicationJavaScriptHtmlId + '_'+id].disabled = true;
		}
		else if (ElementsState[id] == 'change')
		{
			if (document.getElementById(applicationJavaScriptHtmlId + '_'+id)) document.getElementById(applicationJavaScriptHtmlId + '_'+id).style.display = 'inline';
			if (ds[applicationJavaScriptHtmlId + '_'+id]) ds[applicationJavaScriptHtmlId + '_'+id].disabled = false;
		}
		else if (ElementsState[id] == 'cancel')
		{
			if (document.getElementById(applicationJavaScriptHtmlId + '_'+id)) document.getElementById(applicationJavaScriptHtmlId + '_'+id).style.display = 'none';
		}
	}
}

function ExistingMarket(orig,dest,day,monthYear,monthYearValue)
{
	this.orig = orig;
	this.dest = dest;
	this.day = day;
	this.monthYear = monthYear;
	this.monthYearValue = monthYearValue;
}

function all(action)
{
	var radioGroupCount = applicationNumberOfMarketsToOffer;
	for (var i=1; i<=radioGroupCount; i++)
	{
		if ( GetCheckedValue(applicationHtmlId + 'RadioGroupMarket'+i) != action) return false;
	}
	return true;
}

function exists(action)
{
	var radioGroupCount = applicationNumberOfMarketsToOffer;
	for (var i=1; i<=radioGroupCount; i++)
	{ 
		if ( GetCheckedValue(applicationHtmlId + 'RadioGroupMarket'+i) == action) return true;
	}
	return false;
}

function CheckPaxCount()
{
	var dropDownNames = applicationPassengerArrayValues.split(",");
	var ds = document['SkySales'];
	var paxDropdownRendered = false;
	
	if(document.getElementById && document.createTextNode)
	{
		var paxCount = 0;
		var undefined;

		for(var i=0; i < dropDownNames.length; i++)
		{
			if (ds[dropDownNames[i]] != undefined)
			{
				paxDropdownRendered = true;
				paxCount = paxCount + parseInt(ds[dropDownNames[i]].value);
			}
		}

		if (paxDropdownRendered && paxCount == 0)
		{
			alert(localizedTextLessThanOnePassenger);
			return false;
		}
		else if (paxCount > applicationBookingMaxPassengers)
		{
			alert(localizedTextExceedsMaxPaxAllowed + applicationBookingMaxPassengers);
			return false;
		}
	}
	
	return true;
}

/*
* Validates that there's 1 set of O&D entered if one way is selected
* Validates that there's 1 set of O&D entered if round trip is selected
* Validates that there's 2 sets of O&D entered if open jaw is selected
* For TripPlanner, the number of markets to search is however many was entered
* For Round trip, validates that the origin is the same as the ultimate/last
* destination
* Validates that Origin is not the same as destination
* Sets the global variables numDatesToValidate and numMarketsToValidate
*/
function IsEmpty2(element, defaultValue)
{
    if (defaultValue == null)
    {
        if(element.getAttribute('requiredEmpty'))
        {
            defaultValue = element.getAttribute('requiredEmpty');
        }
        else
        {
            defaultValue = '';
        }
    }
	var val = GetValue(element);

	if (val == null) return false;
	while (val.substring(0,1) == ' ') val = val.substring(1);
	while (val.substring(val.length-1,val.length) == ' ') val = val.substring(0,val.length-1);
	if ((val.length == 0) || ((defaultValue != null) && (val == defaultValue))) return true;
	else return false;
}

function CheckCities()
{
	var selected   = GetMarketStructure();
	
	var ds = document['SkySales'];
	var stations = new Array();

	var i=-1;
	for (var mktIx=1; mktIx<=numMarketsToValidate; mktIx++)
	{
		if (MarketAction[mktIx] == 'Cancel')
			continue;
			//alert(validateElement('DropDownListMarketOrigin' + mktIx));
			if (validateElement('DropDownListMarketOrigin' + mktIx))
				{
					i+=1;
					stations[i] = ds[applicationJavaScriptHtmlId + '_DropDownListMarketOrigin' + mktIx];
					if (IsEmpty2(stations[i], '???'))
					{
						if ( selected=='TripPlanner' && mktIx>1)
						{
							// an empty origin signals the end of the requested market
							numMarketsToValidate = mktIx-1;
							numDatesToValidate = mktIx-1;
							break;
						}
						else
						{
							alert(localizedMissingOrigin);
							return false;
						}
					}
				}
				else if (selected=='TripPlanner' && mktIx>1)
				{
					// an empty origin signals the end of the requested market
					numMarketsToValidate = mktIx-1;
					numDatesToValidate = mktIx-1;
					break;
					
				}

				if (validateElement('DropDownListMarketDestination' + mktIx))
				{
					i+=1;
					stations[i] = ds[applicationJavaScriptHtmlId + '_DropDownListMarketDestination' + mktIx];

					if (IsEmpty2(stations[i], '???'))
					{
						alert(localizedMissingDest);
						return false;
					}
					
				}

	} // end loop mktIx<=numMarketsToValidate
	
	if (!applicationOpenJawEnabled)
	{
		var ok = true;
		if (stations.length > 2) 
		{
			for (var i=1; i<stations.length-1; i+=2)
			{
				if (stations[i].value.toUpperCase() != stations[i+1].value.toUpperCase()) 
				{
					ok = false;
					break;
				}
			}
		}
		if (!ok)
		{
			alert (localizedInvalidCityPairs);
			return false;
		}
	}
	
	return true;
} // end of AVAILABILITYSEARCH_checkCities

function setStationsState(state, mktIx)
{
	if (applicationUseDropDownForStations)
	{
		ElementsState['DropDownListMarketOrigin'+mktIx] = state;
		ElementsState['DropDownListMarketDestination'+mktIx] = state;
	}
	else
	{
		ElementsState['TextBoxMarketOrigin'+mktIx] = state;
		ElementsState['TextBoxMarketDestination'+mktIx] = state;
	}
}

function OriginMac(object)
{
	return;
    var index =  object.id.substring(object.id.length - 1);
    if(index > 0)
    {
        var div = document.getElementById(applicationJavaScriptHtmlId + '_DivMacOrigin' + index);
        var checkbox = document.getElementById(applicationJavaScriptHtmlId + '_CheckBoxUseMacOrigin' + index);
        var checkboxDiv = document.getElementById(applicationJavaScriptHtmlId + '_DivCheckboxMacOrigin' + index);
        var checkboxLabel = document.getElementById(applicationJavaScriptHtmlId + '_LabelUseMacOrigin' + index);
        if (div && checkbox && checkboxDiv && checkboxLabel)
        {
            setMac(object, div, checkbox, checkboxDiv, checkboxLabel);
            // reset the destination macs items
            var destId = object.id;
            destId = destId.replace(/Origin/, "Destination");
            var dest = document.getElementById(destId);
            DestinationMac(dest);
        }
    }
}

function DestinationMac(object)
{
	return;
    var index =  object.id.substring(object.id.length - 1);
    if(index > 0)
    {
        var div = document.getElementById(applicationJavaScriptHtmlId + '_DivMacDestination' + index);
        var checkbox = document.getElementById(applicationJavaScriptHtmlId + '_CheckBoxUseMacDestination' + index);
        var checkboxDiv = document.getElementById(applicationJavaScriptHtmlId + '_DivCheckboxMacDestination' + index);
        var checkboxLabel = document.getElementById(applicationJavaScriptHtmlId + '_LabelUseMacDestination' + index);
        if (div && checkbox && checkboxDiv && checkboxLabel) setMac(object, div, checkbox, checkboxDiv, checkboxLabel);
    }
}

function setMac(object, div, checkbox, checkboxDiv, checkboxLabel)
{
    if(Stations != null && Stations[object.value.toUpperCase()] != null && Stations[object.value.toUpperCase()].macCode.length > 0)
    {
	    if (div)
	        div.className = 'macDiv';

	    // hide just the checkbox because the mac code is the selected market (station)
	    if (checkboxDiv)
	    {
	        if ((Stations[object.value.toUpperCase()] != null) && (object.value.toUpperCase() == Stations[object.value.toUpperCase()].macCode.toUpperCase()))
	            checkboxDiv.style.display='none';
	        else
	            checkboxDiv.style.display='block';
	    }
	    var MAC_Names = "Area airports include:\\n";
        if (Stations[object.value.toUpperCase()] != null)
        {
	        for(var i in MacsArray[Stations[object.value.toUpperCase()].macCode])
	        {
	            if(i > 0)
	            {
	                MAC_Names += macCitySeparator + "\\n";
	            }
	            var MAC = MacsArray[Stations[object.value.toUpperCase()].macCode][i];
	            MAC_Names +=  Stations[MAC].name + " (" + MAC + ")";
	        }
	    }
	    MAC_Names = "'" + MAC_Names + "'";
	    if (checkboxLabel) {
	        checkboxLabel.innerHTML = macSearchAllText + " <a href=\"javascript:showMacDetails(" + MAC_Names + ")\"><img src=\"/common/images/_skysales/smallbtn/help_tiny.gif\" border=\"0\" alt=\"\" align=\"baseline\" /></a><br/>";
	        }

	}
	else
	{
	    if (div) div.className = 'macDiv hidden';
	    if (checkboxDiv) checkboxDiv.style.display='none';
	    if (checkbox) checkbox.checked = false;
	    if (checkboxLabel) checkboxLabel.innerHtml = "";
	}
}

function showMacDetails( macs )
{
    alert( macs );

}
function initMacs()
{
    for(var i = 1; i <= applicationNumberOfMarketsToOffer; i++)
    {
	    var orig = document.getElementById(applicationJavaScriptHtmlId + '_TextBoxMarketOrigin' + i);
	    var dest = document.getElementById(applicationJavaScriptHtmlId + '_TextBoxMarketDestination' + i);
	    var listOrigin = document.getElementById(applicationJavaScriptHtmlId + '_DropDownListMarketOrigin' + i);
	    var listDest = document.getElementById(applicationJavaScriptHtmlId + '_DropDownListMarketDestination' + i);
	    
	    if (orig) OriginMac(orig);
	    if (dest) DestinationMac(dest);
	    if (listOrigin) OriginMac(listOrigin);
	    if (listDest) DestinationMac(listDest);
    }
}

function storeCityDefaultsToCookie()
{
    var ds = document['SkySales'];
	var orig = ds[applicationJavaScriptHtmlId + '_DropDownListMarketOrigin1'];
	var dest = ds[applicationJavaScriptHtmlId + '_DropDownListMarketDestination1'];


	var theDate = new Date();
    var oneYearLater = new Date( theDate.getTime() + 31536000000 );

    document.cookie = "dest=" + dest.options[dest.selectedIndex].value +";expires=" + oneYearLater.toGMTString()+"; path=/";
    document.cookie = "orig=" + orig.options[orig.selectedIndex].value +";expires=" + oneYearLater.toGMTString()+"; path=/";
	return true;
}

function getCityDefaultsFromCookie()
{
 //put this in try/catch block, because some pages may
 //not define UpdateCitiesFromCookie
 try
 {
      if (UpdateCitiesFromCookie != 'true')
      {
        return;   
      }
  }
  catch(err)
  {
    return;
  }
   var ds = document['SkySales'];

   var orig = ds[applicationJavaScriptHtmlId + '_DropDownListMarketOrigin1'];
   var dest = ds[applicationJavaScriptHtmlId + '_DropDownListMarketDestination1'];

   var orig_val = get_cookie( "orig");
   var dest_val = get_cookie( "dest");
   
   	for (var i = 0; i < orig.options.length; i++) 
   	{
		if (orig.options[i].value == orig_val) 
		{
			orig.selectedIndex = i;
			break;
		}
	}

 	for (var i = 0; i < dest.options.length; i++) 
   	{
		if (dest.options[i].value == dest_val) 
		{
			dest.selectedIndex = i;
			break;
		}
	}
}

function get_cookie ( cookie_name )
{
  var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );

  if ( results )
    return ( unescape ( results[2] ) );
  else
    return null;
}

function highlightMoveDays() {}
function highlightMoveOriginCities() {}
function highlightMoveDestinationCities() {}

var jsLoaded = true;