var CurrentView = 0; // 0=Default, 1=Flexible
var FlightsPerPage = 10;
var UpdateFrequency = 2000;
var SearchFinished = false;
var AirportsList = new Object();
var DefaultInfo = GetDefaultInfo('DefaultInfo');
var FlexibleInfo = GetFlexibleInfo('FlexibleInfo');
var MyMap = null;
var MapVisible = false;
var MapAirport = null;
var MapIsDep = false;
var MapFlights = 2;

var serverTime = null;
try{ serverTime = SEARCH_TIME; }
catch(ex){}
try{ serverTime = SERVER_TIME; }
catch(ex){}

var MonthNames = new Array(TXT_JANUARY,TXT_FEBRUARY,TXT_MARCH,TXT_APRIL,TXT_MAY,TXT_JUNE,TXT_JULY,TXT_AUGUST,TXT_SEPTEMBER,TXT_OCTOBER,TXT_NOVEMBER,TXT_DECEMBER);
var MonthAbbr = new Array(TXT_JAN,TXT_FEB,TXT_MAR,TXT_APR,TXT_MAY_SHORT,TXT_JUN,TXT_JUL,TXT_AUG,TXT_SEP,TXT_OCT,TXT_NOV,TXT_DEC);

Array.prototype.insert = function(position, newValue){
	if(position > -1)
		this.splice(position, 0, newValue);
	else
		this.push(newValue);
};

function AddMonthGraphFlight (ResultType, DepIata, DestIata, DepDate, Airline, RetDate,
					Operator, OPID, FLID, Price, OldPrice, Currency, DisplayCurrency, Img, BookURL, OutDepTime, OutArrTime,
					InDepTime, InArrTime, OutStops, InStops, OutDuration, InDuration, ETicket, TotalPrice, OldTotalPrice,
					InclTax, Way, IsAlternative, CPC, Adults, Children, Infants, CacheAge)
{
	var flight = new FlightResultClass (ResultType, DepIata, DestIata, DepDate, Airline, RetDate,
		Operator, OPID, FLID, Price, OldPrice, Currency, DisplayCurrency, Img, BookURL, OutDepTime, OutArrTime,
		InDepTime, InArrTime, OutStops, InStops, OutDuration, InDuration, ETicket, TotalPrice, OldTotalPrice,
		InclTax, Way, IsAlternative, CPC, Adults, Children, Infants, CacheAge);

	var dep = new DateObject(flight.DepDate, 'dd/MM/yyyy');
	var monthVal = dep.DateItem.getMonth() + '-' + dep.DateItem.getFullYear();
	DefaultInfo.GraphData[monthVal] = flight;
}

function DrawMonthGraph(){
	if(DefaultInfo.Chart)
		DefaultInfo.Chart.drawChart(DefaultInfo.GraphData, null, null);
}

function AddFlight(ResultType, DepIata, DestIata, DepDate, Airline, RetDate,
					Operator, OPID, FLID, Price, OldPrice, Currency, DisplayCurrency, Img, BookURL, OutDepTime, OutArrTime,
					InDepTime, InArrTime, OutStops, InStops, OutDuration, InDuration, ETicket, TotalPrice, OldTotalPrice,
					InclTax, Way, IsAlternative, CPC, Adults, Children, Infants, CacheAge)
{
	var flight = new FlightResultClass (ResultType, DepIata, DestIata, DepDate, Airline, RetDate,
		Operator, OPID, FLID, Price, OldPrice, Currency, DisplayCurrency, Img, BookURL, OutDepTime, OutArrTime,
		InDepTime, InArrTime, OutStops, InStops, OutDuration, InDuration, ETicket, TotalPrice, OldTotalPrice,
		InclTax, Way, IsAlternative, CPC, Adults, Children, Infants, CacheAge);

	flight.WriteTable();
	AddCommand(flight);
}

function UpdateFlight(ResultType, DepIata, DestIata, DepDate, Airline, RetDate,
					Operator, OPID, FLID, Price, OldPrice, Currency, DisplayCurrency, Img, BookURL, OutDepTime, OutArrTime,
					InDepTime, InArrTime, OutStops, InStops, OutDuration, InDuration, ETicket, TotalPrice, OldTotalPrice,
					InclTax, Way, IsAlternative, CPC, Adults, Children, Infants, CacheAge)
{
	var flight = new FlightResultClass (ResultType, DepIata, DestIata, DepDate, Airline, RetDate,
		Operator, OPID, FLID, Price, OldPrice, Currency, DisplayCurrency, Img, BookURL, OutDepTime, OutArrTime,
		InDepTime, InArrTime, OutStops, InStops, OutDuration, InDuration, ETicket, TotalPrice, OldTotalPrice,
		InclTax, Way, IsAlternative, CPC, Adults, Children, Infants, CacheAge);

	flight.UpdateFlight();
}

function FlightResultClass(ResultType, DepIata, DestIata, DepDate, Airline, RetDate,
							Operator, OPID, FLID, Price, OldPrice, Currency, DisplayCurrency, Img, BookURL, OutDepTime, OutArrTime,
							InDepTime, InArrTime, OutStops, InStops, OutDuration, InDuration, ETicket, TotalPrice, OldTotalPrice,
							InclTax, Way, IsAlternative, CPC, Adults, Children, Infants, CacheAge)
{
	this.Table = '';
	this.ResultType = ResultType;
	this.DepIata = DepIata;
	this.DepAirport = GetAirport(this.DepIata);
	this.DestIata = DestIata;
	this.DestAirport = GetAirport(this.DestIata);
	this.DepDate = DepDate;
	this.Airline = Airline;
	this.RetDate = RetDate;
	this.Operator = Operator;
	this.OPID = OPID;
	this.FLID = FLID;
	this.Price = Price;
	this.OldPrice = OldPrice;
	this.Currency = Currency;
	this.DisplayCurrency = DisplayCurrency;
	this.Img = Img;
	this.BookURL = BookURL;
	this.OutDepTime = OutDepTime;
	this.OutArrTime = OutArrTime;
	this.InDepTime = InDepTime;
	this.InArrTime = InArrTime;
	this.OutStops = OutStops;
	this.InStops = InStops;
	this.OutDuration = OutDuration;
	this.InDuration = InDuration;
	this.ETicket = ETicket;
	this.TotalPrice = TotalPrice;
	this.OldTotalPrice = OldTotalPrice;
	this.InclTax = InclTax;
	this.Way = Way;
	this.IsAlternative = IsAlternative;
	this.CPC = CPC;
	this.IsConverted = false;
	this.Adults = Adults;
	this.Children = Children;
	this.Infants = Infants;
	this.CacheAge = CacheAge;
	this.FlexibleFlight = false;
	this.IsCached = true;
	this.TableRef = null;
	this.PriceCell = null;
	this.UpdateCell = null;
	this.IsQueued = false;
	this.IsUpdating = false;
	this.IsUpdated = false;
	this.UpdateFailed = false;

	this.DepDateObj = new DateObject(this.DepDate, 'dd/MM/yyyy');
	this.RetDateObj = new DateObject(this.RetDate, 'dd/MM/yyyy');
	this.DepDay = this.DepDateObj.GetDay();
	this.DepMonth = this.DepDateObj.GetMonth();
	this.DepYear = this.DepDateObj.GetYear();

	this.ShortPrice = new String(this.Price);
	this.ShortPrice = this.ShortPrice.replace(this.DisplayCurrency, '');

	if(this.DepAirport &&
		(!this.DepAirport.CheapestFlight ||
		this.TotalPrice < this.DepAirport.CheapestFlight.TotalPrice)){
		this.DepAirport.CheapestFlight = this;
	}

	if(this.DestAirport &&
		(!this.DestAirport.CheapestFlight ||
		this.TotalPrice < this.DestAirport.CheapestFlight.TotalPrice)){
		this.DestAirport.CheapestFlight = this;
	}

	if(this.ResultType == 1){
		this.FlexibleFlight = true;
		SetGraphItem(this);
	}

	if(this.Way == null){ this.Way = 2; }
	if(this.IsAlternative == null){ this.IsAlternative = false; }
	if(this.CPC == null){ this.CPC = 0; }
	if(this.Currency != this.DisplayCurrency){ this.IsConverted = true; }

	this.GetRedirectLink = function(){
		var strLink = LANG_ROOT_PATH + 'redirect.aspx';
		strLink += '?opid=' + OPID;
		strLink += '&url=';
		strLink += '&DepartAirport=' + DepIata;
		strLink += '&DestinationAirport=' + DestIata;
		strLink += '&Adults=' + Adults;
		strLink += '&Children=' + Children;
		strLink += '&Infants=' + Infants;
		strLink += '&DepartureDate=' + DepDate;
		strLink += '&ReturnDate=' + RetDate;
		return strLink;
	}

	this.GetShallowRedirectLink = function(){
		var strLink = LANG_ROOT_PATH + 'redirect.aspx';
		strLink += '?opid=' + OPID;
		strLink += '&url=';
		return strLink;
	}

	this.GetInclTaxes = function(){
		var strTaxIncl = '';
		if(!this.InclTax){ strTaxIncl = TXT_TAX_EXCLUDED; }
		else if(this.InclTax == '0'){ strTaxIncl = TXT_TAX_EXCLUDED; }
		else if(this.InclTax == '2'){ strTaxIncl = TXT_EXCLUDING_TICKET_EMISSION; }
		else{ strTaxIncl = TXT_TAX_INCLUDED; }

		if(strTaxIncl != ''){ strTaxIncl = '<br><span class="txtDarkGray">' + strTaxIncl + '</span>'; }
		return strTaxIncl;
	}
	
	this.GetCacheInfo = function(){
		var html = '';
		try{
		    if(this.CacheAge != null){
		        var days = 0; var hours = 0; var mins = 0;
		        var cachAgeText = TXT_LAST_UPDATED + ': ';
			    var cacheImg = '<img src=' + IMG_ROOT + 'i/clock3.gif width=11 height=11 border=0 align=absmiddle>';
		        this.IsCached = true;
		        if(this.CacheAge.getDate){
			        var timeSpan = serverTime.getTime() - this.CacheAge.getTime();
			        days = (timeSpan < 0 ? 0 : Math.floor(timeSpan/86400000));
			        hours = (timeSpan < 0 ? 0 : Math.floor((timeSpan-(days*86400000))/3600000));
			        mins = (timeSpan < 0 ? 0 : Math.floor((timeSpan-((days*86400000)+(hours*3600000)))/60000));
			    }
			    else{
			        var timeSpan = this.CacheAge.split(':');
			        days = (timeSpan.length > 0 ? parseInt(timeSpan[0]) : 0);
			        hours = (timeSpan.length > 1 ? parseInt(timeSpan[1]) : 0);
			        mins = (timeSpan.length > 2 ? parseInt(timeSpan[2]) : 0);
                }

			    if(days > 0)
				    cachAgeText += TXT_DAYS_AGO.replace('%1',days);
			    else if(hours > 0)
				    cachAgeText += TXT_HOURS_AGO.replace('%1',hours);
			    else if(mins > 0)
				    cachAgeText += TXT_MINS_AGO.replace('%1',mins);
			    else{
				    cacheImg = '<img src=' + IMG_ROOT + 'i/tick-green.gif width=14 height=15 border=0 align=absmiddle>';
				    cachAgeText = TXT_VERIFIED_AVAILABILITY;
				    this.IsCached = false;
			    }

			    html = cacheImg + ' ' + cachAgeText;
		    }
		    else{
			    html = '<img src=' + IMG_ROOT + 'i/tick-green.gif width=14 height=15 border=0 align=absmiddle> ' + TXT_VERIFIED_AVAILABILITY;
			    this.IsCached = false;
		    }
		}catch(e){}
		return html;
	}

	this.GetConvertedFromText = function(oldPrice, oldCurrency){
		var html = '<img src="' + IMG_ROOT + 'i/asterix.gif" width=12 height=11> ' + TXT_CONVERTED_FROM;
		html = html.replace('%1',oldCurrency);
		html = html.replace('%2','<b>' + oldPrice + ' ' + oldCurrency + '</b>');
		if(TXT_CONVERTED_INFO && TXT_CONVERTED_INFO.length > 0){
		    html += '&nbsp;&nbsp;<img src="' + IMG_ROOT + 'i/info4.gif" width=11 height=11 onclick="showInfoBalloon(this, event, \'<b>' + oldCurrency + '</b>\')">';
		}
		return html;
	}

	this.BuildResult = function(){
		var content = document.createElement('TABLE');
		content.className = 'tbl';
		content.cellPadding = 2;
		content.cellSpacing = 0;
		content.border = 0;
		content.style.tableLayout = 'fixed';
		content.flight = this;
		this.TableRef = content;

		try{
			var rowNum = 0;
			var row1, row2, row3, row4, row5;
			var depAptHtml, destAptHtml;

			row1 = content.insertRow(rowNum);
			rowNum++;

			if(this.Way == 2){
				row2 = content.insertRow(rowNum);
				rowNum++;
			}

			var depText = (this.DepAirport && this.DepAirport.Type != 0 ? this.DepAirport.City : this.DepIata);
			depAptHtml = '<span title="' + (this.DepAirport ? this.DepAirport.GetFullName() : this.DepIata) + '">';
			depAptHtml += depText + '</span>';

			var destText = (this.DestAirport && this.DestAirport.Type != 0 ? this.DestAirport.City : this.DestIata);
			destAptHtml = '<span title="' + (this.DestAirport ? this.DestAirport.GetFullName() : this.DestIata) + '">';
			destAptHtml += destText + '</span>';

			row3 = content.insertRow(rowNum);
			rowNum++;

			var tdR1C1 = row1.insertCell(0);
			tdR1C1.vAlign ='top';
			tdR1C1.width = '90px';
			tdR1C1.innerHTML = '&nbsp;';
			tdR1C1.rowSpan = (this.Way == 2) ? 2 : 1;

			var tdR1C2 = row1.insertCell(1);
			tdR1C2.vAlign='top';
			tdR1C2.width = '120px';
			tdR1C2.innerHTML = '&nbsp;';

			var tdR1C3 = row1.insertCell(2);
			tdR1C3.align='center';
			tdR1C3.vAlign='top';
			tdR1C3.className = 'hideOverflow';
			tdR1C3.innerHTML = '&nbsp;';

			var tdR1C4 = row1.insertCell(3);
			tdR1C4.vAlign='top';
			tdR1C4.width = '106px';
			tdR1C4.innerHTML = '&nbsp;';

			var tdR1C5 = row1.insertCell(4);
			tdR1C5.align='center';
			tdR1C5.vAlign='top';
			tdR1C5.width = '40px';
			tdR1C5.innerHTML = '&nbsp;';

			var tdR1C6 = row1.insertCell(5);
			tdR1C6.align='center';
			tdR1C6.vAlign='top';
			tdR1C6.width = '100px';
			tdR1C6.innerHTML = '&nbsp;';
			tdR1C6.rowSpan = (this.Way == 2) ? 2 : 1;

			if(this.Way == 2 && row2 != null){
				//2nd Row
				var tdR2C2 = row2.insertCell(0);
				tdR2C2.vAlign = 'top';
				tdR2C2.innerHTML = '<div class="hideOverflow">' + destAptHtml + ' >> ' + depAptHtml + '</div>';

				var tdR2C3 = row2.insertCell(1);
				tdR2C3.innerHTML = '&nbsp;';

				var tdR2C4 = row2.insertCell(2);
				tdR2C4.vAlign = 'top';
				tdR2C4.innerHTML = this.InDepTime + ' >> ' + this.InArrTime;

				var tdR2C5 = row2.insertCell(3);
				tdR2C5.align = 'center';
				tdR2C5.vAlign = 'top';
				tdR2C5.innerHTML = this.InStops
			}

			//3rd Row
			this.UpdateCell = row3.insertCell(0);
			this.UpdateCell.vAlign='top';
			this.UpdateCell.className = 'UpdateLink';
			this.UpdateCell.innerHTML = '&nbsp;';

			var tdR3C1 = row3.insertCell(1);
			tdR3C1.vAlign='top';
			tdR3C1.innerHTML = '&nbsp;';
			tdR3C1.colSpan = 2;

			var tdR3C2 = row3.insertCell(2);
			tdR3C2.vAlign='top';
			tdR3C2.innerHTML = '&nbsp;';

			var tdR3C3 = row3.insertCell(3);
			tdR3C3.align='center';
			tdR3C3.vAlign='top';
			tdR3C3.innerHTML = '&nbsp;';

			var tdR3C4 = row3.insertCell(4);
			tdR3C4.align='center';
			tdR3C4.vAlign='top';
			tdR3C4.innerHTML = '&nbsp;';

			var priceHtml = (this.IsQueued || this.IsUpdating ? '<img src="' + IMG_ROOT + 'i/snake_update.gif" width=16 height=16 border=0 align=right hspace=4>' : '');
			priceHtml += '<span class="ResultPrice">' + this.Price + ' ' + '</span>';
			priceHtml += this.GetInclTaxes();
			tdR1C1.innerHTML = priceHtml;
			
			this.PriceCell = tdR1C1;

			tdR1C2.innerHTML = '<div class="hideOverflow">' + depAptHtml	+ ' >> ' + destAptHtml + '</div>';
			tdR1C3.innerHTML = this.Airline;
			tdR1C3.title = this.Airline;
			tdR1C4.innerHTML = this.OutDepTime + ' >> ' + this.OutArrTime;
			tdR1C5.innerHTML = this.OutStops;

			var redirectUrl = this.GetRedirectLink();
			var tailFin = '<img src="' + this.Img + '" alt="' + this.Operator + '" border=0/>';
			var finLink = document.createElement('A');
			finLink.href = redirectUrl;
			finLink.target = '_blank';
			finLink.innerHTML = tailFin;

			tdR1C6.innerHTML = '';
			tdR1C6.appendChild(finLink);

			tdR3C1.innerHTML = this.GetCacheInfo();

			if(this.UpdateFailed){
				this.UpdateCell.innerHTML = TXT_UPDATE_FAILED;
			}
			else if(this.IsQueued){
				this.UpdateCell.innerHTML = TXT_WAIT;
			}
			else if(this.IsUpdating){
				this.UpdateCell.innerHTML = TXT_UPDATING;
			}
			else if(this.IsCached){
				var dep = new DateObject(this.DepDate, 'dd/MM/yyyy');
				var ret = new DateObject(this.RetDate, 'dd/MM/yyyy');
				var updateJS = 'UpdateFlightAjax(this, UpdateRender)';
				var updateHtml = '<img src=' + IMG_ROOT + 'i/update.gif width=11 height=11 border=0 align=absmiddle>&nbsp;';
				var updateLink = document.createElement('A');
				updateLink.onclick = new Function(updateJS);
				updateLink.innerHTML = TXT_UPDATE;
				updateLink.flight = this;
				this.UpdateCell.innerHTML = updateHtml;
				this.UpdateCell.appendChild(updateLink);
			}

			var dep = new DateObject(this.DepDate, 'dd/MM/yyyy');
			var altText = '<b>' + dep.ToString('d MMM');

			if(this.Way == 2){
				var ret = new DateObject(this.RetDate, 'dd/MM/yyyy');
				altText += ' - ' + ret.ToString('d MMM');
			}

			altText += '</b>';
			tdR3C2.innerHTML = '<span class=txtDate>' + altText + '</span>';

			var opLink = document.createElement('A');
			opLink.href = redirectUrl;
			opLink.className = 'GreenLink';
			opLink.target = '_blank';
			opLink.innerHTML = this.Operator;

			tdR3C4.innerHTML = '';
			tdR3C4.appendChild(opLink);

			if(this.IsConverted){
				row4 = content.insertRow(rowNum);
				rowNum++;

				var tdR4C1 = row4.insertCell(0);
				tdR4C1.vAlign = 'top';
				tdR4C1.innerHTML = '&nbsp;';
				tdR4C1.colSpan = 5;
				tdR4C1.innerHTML = '<span class=txtConverted>' + this.GetConvertedFromText(OldPrice,Currency) + '</span>';
			}
		}
		catch(e){}

		return content;
	}

	this.WriteTable = function(){
		try{
			var info = GetSettingsInfo(this.ResultType);
			this.Table = info.Table;

			var pos = this.FindPosition(info.Results);
			if(pos >= 0){ info.Results.insert(pos, this); }
			else{ info.Results[info.Results.length] = this; }

			if(!blnUpdating){
				blnUpdating = true;
				setTimeout('UpdateWhenFree()', UpdateFrequency);
			}
		}
		catch(e){}
	}

	this.UpdateFlight = function(){
		try{
			var info = GetSettingsInfo(this.ResultType);
			this.Table = info.Table;
			var isUpdated = false;
			for(var i = 0; i < info.Results.length; i++){
				var item = info.Results[i];
				var isMatch = (this.OPID == item.OPID && this.DepIata == item.DepIata && this.DestIata == item.DestIata && 
								this.DepDate == item.DepDate && this.RetDate == item.RetDate && this.OutDepTime == item.OutDepTime && 
								this.OutArrTime == item.OutArrTime && this.InDepTime == item.InDepTime && this.InArrTime == item.InArrTime)
				if(isMatch){
					for(var prop in item){
						item[prop] = this[prop];
					} 
					item.IsUpdated = true
					isUpdated = true;
				}
			}
			if(!isUpdated){
				this.WriteTable();
				AddCommand(this);
			}
		}
		catch(e){}
	}

	this.FindPosition = function(SearchArray){
		if(SearchArray.length==0)
			return -1;

		var intStart = 0;
		var intBeginning = 0;
		var intEnd = SearchArray.length;
		var blnFound = false;
		if(SearchArray.length >= 10){
			while(!blnFound){
				var intHalfWay = parseInt((intEnd-intBeginning)/2) + intBeginning;
				if(this.TotalPrice > SearchArray[intHalfWay].TotalPrice){
					intBeginning = intHalfWay;
				}
				else{
					intEnd = intHalfWay;
				}

				if(intEnd - intBeginning <= 3)
					blnFound = true;
			}
		}
		for(var i = intBeginning; i < SearchArray.length; i++){
			if(this.TotalPrice < SearchArray[i].TotalPrice){
				return i;
			}
		}
	}

	this.GetItemHtml = function(){
		var opDetail = '<img src="' + this.Img + '" border=0>';
		var redirectUrl = this.GetRedirectLink();
		var apts = this.DepIata	+ ' >> ' + this.DestIata;
		html = '<table width="100%" align=center cellpadding=0 border=0>'
		html += '<tr><td width="50%" valign="middle">';
		html += '<span class="ResultPrice">' + this.Price + '</span>' + this.GetInclTaxes() + '</td>';
		html += '<td width="50%" align="center"><a href="' + redirectUrl + '" target="_blank">' + opDetail + '</a></td></tr>';
		html += '<tr><td>' + apts + '</td>';
		html += '<td align="center"><a href="' + redirectUrl + '" target="_blank">' + this.Operator + '</a></td></tr>';
		html += '<tr><td>' + this.DepDate + '</td>';
		html += '<td align="center">' + this.OutDepTime + ' >> ' + this.OutArrTime + '</td></tr>';
		if(this.Way == 2){
			html += '<tr><td>' + this.RetDate + '</td>';
			html += '<td align="center">' + this.InDepTime + ' >> ' + this.InArrTime + '</td></tr>';
		}
		html += '</table>';
		html += '<div style="padding-top:4px;">' + this.GetCacheInfo() + '</div>';
		return html;
	}
}// End FlightResultClass

function UpdateRender(flight){
	if(flight){
		if(flight.UpdateCell){
			if(flight.IsQueued){ flight.UpdateCell.innerHTML = TXT_WAIT; }
			else if(flight.IsUpdating){ flight.UpdateCell.innerHTML = TXT_UPDATING; }
		}
		if(flight.PriceCell){
			var currNode = flight.PriceCell;
			currNode.innerHTML = '<img src="' + IMG_ROOT + 'i/snake_update.gif" width=16 height=16 border=0 align=right hspace=4>' + currNode.innerHTML;
		}
		if(flight.TableRef){
			var currNode = flight.TableRef;
			if(currNode.parentNode && currNode.parentNode.nodeName == 'TD'){
				currNode.parentNode.className = 'ResultCellUpdate';
			}
		}
	}
}

function SearchOperator(name, id, fintail, website){
	this.Name = name;
	this.OPID = id;
	this.Fintail = fintail;
	this.Website = website;
	this.HasFlights = false;
}

var blnUpdating = false;

function UpdateWhenFree(){
	UpdateFilter();
	blnUpdating = false;
}

function UpdatePageCounts(info){
	var intPages = parseInt(info.FilteredResults.length/FlightsPerPage);
	if(info.FilteredResults.length%FlightsPerPage)
		intPages += 1;

	var intStartFlight = (info.CurrentPage*FlightsPerPage) - (FlightsPerPage-1);
	var intEndFlight = (info.CurrentPage*FlightsPerPage > info.FilteredResults.length) ? info.FilteredResults.length : info.CurrentPage*FlightsPerPage;

	DisplayPages(info);
}

function DisplayPages(info){
	var strPageLinks = '';
	var clickFunc = '';
	var AllowedPageSpan = 5;
	var blnShowGoToFirst = false;
	var blnShowGoToLast = false;
	var intPages = parseInt(info.FilteredResults.length/FlightsPerPage);

	if(info.FilteredResults.length%FlightsPerPage > 0)
		intPages++;

	if(info.CurrentPage > intPages)
		info.CurrentPage = (intPages == 0 ? 1 : intPages);

	for(i = 1; i <= intPages; i++){
		var minOffSet = (info.CurrentPage + AllowedPageSpan > intPages) ? ((intPages - (info.CurrentPage+AllowedPageSpan))*-1) : 0;
		var maxOffSet = (info.CurrentPage - AllowedPageSpan < 0) ? ((info.CurrentPage - AllowedPageSpan)*-1) : 0;

		if((i > (info.CurrentPage - AllowedPageSpan) - minOffSet) && 
			(i < (info.CurrentPage + AllowedPageSpan) + maxOffSet)){
			if(info.CurrentPage == i){
				strPageLinks += '<span class="ChangePageSelected"><b>' + i + ' </b></span> ';
			}
			else{
				clickFunc = 'GoToPage(' + i + ',' + info.ResultType + ')';
				strPageLinks += '<a class="ChangePage" onclick="' + clickFunc + '">' + i + '</a> ';
			}
		}

		if(info.CurrentPage - AllowedPageSpan >= 1)
			blnShowGoToFirst = true;

		if(info.CurrentPage + AllowedPageSpan <= intPages)
			blnShowGoToLast = true;
	}

	clickFunc = 'GoToPage(1,' + info.ResultType + ')';
	var strStart = blnShowGoToFirst ? '<a class="ChangePage" onclick="' + clickFunc + '"> ' + TXT_FIRST + '</a> ' : '';

	clickFunc = 'GoToPage(' + intPages + ',' + info.ResultType + ')';
	var strEnd = blnShowGoToLast ? '<a class="ChangePage" onclick="' + clickFunc + '">' + TXT_LAST + '</a>' : '';

	GetItemById(info.PagesID).innerHTML = strStart + strPageLinks + strEnd ;
	GetItemById(info.FooterID).style.display = '';
}

function GoToPage(page, type){
	showLoadingScreen(true);
	window.scrollTo(0,0);

	var info = GetSettingsInfo(type);
	info.CurrentPage = page;
	setTimeout('UpdateFilter()', 80);
}

function ChangePageSize(){
	showLoadingScreen(true);
	FlightsPerPage = GetItemById('PageCountSize').value;
	ResetCurrentPage();
	setTimeout('UpdateFilter()', 80);
}

function InsertNoResultsRow(tblID){
	var table = GetItemById(tblID);
	var mainrow = table.insertRow(table.rows.length);
	var cell = mainrow.insertCell(0);
	cell.className = 'ResultCell'
	cell.innerHTML = '<div class="ErrorMessage">' + TXT_NO_RESULTS + '</div>';
}

function InsertFilteredRow(flight){
	var table = GetItemById(flight.Table);
	var mainrow = table.insertRow(table.rows.length);
	var cell = mainrow.insertCell(0);
	cell.className = (flight.IsUpdating || flight.IsQueued ? 'ResultCellUpdate' : 'ResultCell');
	cell.appendChild(flight.BuildResult());
}

function DisplayMapPage(info){
	ClearTableById(info.Table);

	GetItemById(info.PagesID).innerHTML = '';
	GetItemById(info.FooterID).style.display = '';

	if(info.FilteredResults.length == 0){
		InsertNoResultsRow(info.Table);
		return;
	}

	var dests = new Object();

	if(MapAirport && info.FilteredResults.length > 0){
		dests[MapAirport] = info.FilteredResults;
		UpdatePageCounts(info);
		InsertMapHeader(info.FilteredResults[0]);
		for(var i = 0; i < FlightsPerPage; i++){
			var PageOffSet = (info.CurrentPage - 1) * FlightsPerPage ;
			if(i + PageOffSet > info.FilteredResults.length - 1)
				break;

			InsertFilteredRow(info.FilteredResults[i + PageOffSet]);
		}
	}
	else{
		for(var i = 0; i < info.FilteredResults.length; i++){
			var flight = info.FilteredResults[i];
			var iata = (MapIsDep ? flight.DepIata : flight.DestIata);
			if(!dests[iata]){
				dests[iata] = new Array();
				dests[iata].push(flight);
			}
			else if(dests[iata].length < MapFlights){
				dests[iata].push(flight);
			}
		}

		for(apt in dests){
			var arr = dests[apt];
			if(arr.length > 0){
				InsertMapHeader(arr[0]);
				for(var i = 0; i < arr.length; i++){
					InsertFilteredRow(arr[i]);
				}
			}
		}
	}
}

function InsertMapHeader(flight){
	var apt = (MapIsDep ? flight.DepAirport : flight.DestAirport);
	var city = (MapIsDep ? DEP_CITY : DEST_CITY);
	var table = GetItemById(flight.Table);
	var spacerow = table.insertRow(table.rows.length);
	var mainrow = table.insertRow(table.rows.length);
	var cell = mainrow.insertCell(0);
	cell.className = 'mapHeader';

	var dist = TXT_APPROX_FROM;
	dist = dist.replace('%1', '<b>' + apt.Distance + 'km</b>');
	dist = dist.replace('%2', '<b>' + city + '</b>');

	var html = '<div class="mapHeadLeft">';
	html += '<img src="' + IMG_ROOT + 'i/map/apt_sml.gif" width=12 height=18 hspace=4 align=absmiddle>';
	html += apt.GetFullName() + ', ' + apt.Country + ' ';
	html += '(' + apt.IATA + ')</div>'
	html += '<div class="mapHeadRight">' + dist + '</div>'
	cell.innerHTML = html;
}

function DisplayPage(info){
	ClearTableById(info.Table);
	UpdatePageCounts(info);

	if(info.FilteredResults.length == 0){
		InsertNoResultsRow(info.Table);
		return;
	}

	for(var i = 0; i < FlightsPerPage; i++){
		var PageOffSet = (info.CurrentPage - 1) * FlightsPerPage ;
		if(i + PageOffSet > info.FilteredResults.length - 1)
			break;

		InsertFilteredRow(info.FilteredResults[i + PageOffSet]);
	}
}

function ClearTables(){
	ClearTableById(DefaultInfo.Table);
	ClearTableById(FlexibleInfo.Table);
}

// Filtered (Not Shown) Arrays
var arrAirportsDepNotShown = new Array();
var arrAirportsDestNotShown = new Array();
var arrOperatorsNotShown = new Array();
var arrOperatorsFinished = new Array();

var blnNoStop = true;
var bln1Stop = true;
var bln2Stop = true;

var blnInNoStop = true;
var blnIn1Stop = true;
var blnIn2Stop = true;

var TimeDepStart = 0;
var TimeDepEnd = 24;

var TimeRetStart = 0;
var TimeRetEnd = 24;

function loadVars(info){
	// Get stops checkboxes
	blnNoStop = (GetItemById(info.NonStopID) ? GetItemById(info.NonStopID).checked : true);
	bln1Stop = (GetItemById(info.OneStopID) ? GetItemById(info.OneStopID).checked: true);
	bln2Stop = (GetItemById(info.TwoStopID) ? GetItemById(info.TwoStopID).checked: true);

	// Get min and max outbound departure times
	if(info.TimeDepStart)
		TimeDepStart = parseInt(GetItemById(info.TimeDepStart).value);

	if(info.TimeDepEnd)
		TimeDepEnd = parseInt(GetItemById(info.TimeDepEnd).value);

	// Get min and max returning departure times
	if(info.TimeRetStart)
		TimeRetStart = parseInt(GetItemById(info.TimeRetStart).value);

	if(info.TimeRetEnd)
		TimeRetEnd = parseInt(GetItemById(info.TimeRetEnd).value);

	if(info.OperatorsArray)
		arrOperatorsNotShown = getOpsNotShown(info.OperatorsID);

	if(info.DepArray)
		arrAirportsDepNotShown = getAptsNotShown(info.DepID);

	if(info.DestArray)
		arrAirportsDestNotShown = getAptsNotShown(info.DestID);
}

function getOpsNotShown(id){
	var filterTable = GetItemById(id);
	var arr = new Array();

	if(filterTable == null || filterTable.rows.length == 0)
		return arr;

	for(var i = 0; i < filterTable.rows.length; i++){
		var node = filterTable.rows[i].cells[0].childNodes[0];
		if(node.tagName == 'INPUT' && node.type == 'checkbox' && !node.checked){
			arr.push(node.value);
		}
	}

	return arr;
}

function getAptsNotShown(id){
	var filterTable = GetItemById(id);
	var arr = new Array();

	if(filterTable == null || filterTable.rows.length == 0)
		return arr;

	for(var i = 0; i < filterTable.rows.length; i++){
		var node = filterTable.rows[i].cells[0].childNodes[0];
		if(node.tagName == 'INPUT' && node.type == 'checkbox' && !node.checked){
			arr.push(node.value);
		}
	}

	return arr;
}

function selectAll(id, checked){
	var filterTable = GetItemById(id);

	if(filterTable == null || filterTable.rows.length == 0)
		return;

	for(var i = 0; i < filterTable.rows.length; i++){
		var node = filterTable.rows[i].cells[0].childNodes[0];
		if(node.tagName == 'INPUT' && node.type == 'checkbox'){
			node.checked = checked;
		}
	}

	filter();
}

function filter(){

	showLoadingScreen(true);
	ResetCurrentPage();
	setTimeout('UpdateFilter()', 80);
}

function UpdateFilter(){
	showLoadingScreen(true);
	try{
		ClearTables();
		var info;
		if(CurrentView == 0){	// Default Results
			info = GetSettingsInfo(0);
		}
		if(CurrentView == 1){	// Flexible Results
			info = GetSettingsInfo(1);
		}
		if(info){
			DoFilter(info);
			DrawAlternativeSearch(info);
		}
	}
	catch(e){}
	showLoadingScreen(false);
}

function DoFilter(info){
	if(info.Chart)
		info.Chart.drawChart(info.GraphData, info.GraphMonth, info.GraphYear);

	if(!info.Results)
		return;

	FilterResults(info);
	SetFlightCounts(info);

	if(MapVisible){ DisplayMapPage(info); }
	else{ DisplayPage(info); }
}

function SetFlightCounts(info){
	if(info && info.CountsTextID){
		try{
			var countsDIV = GetItemById(info.CountsTextID);
			var showingNum = '<b>' + info.FilteredResults.length + '</b>';
			var totalNum = '<b>' + info.Results.length + '</b>';
			var operatorNum = '<b>' + info.OperatorsArray.length + '</b>';

			var countsHtml = TXT_RESULTS;
			countsHtml = countsHtml.replace('%1', showingNum);
			countsHtml = countsHtml.replace('%2', totalNum);
			countsHtml = countsHtml.replace('%3', operatorNum);
			countsDIV.innerHTML = '<div class=FilterCounts>' + countsHtml + '</div>';
		}
		catch(e){}
	}
}

function FilterResults(info){
	loadVars(info);

	info.FilteredResults = new Array();
	var ResultView = info.Results;

	for(var i = 0; i < ResultView.length; i++){
		var item = ResultView[i];

		var blnStopsOk		= false;
		var blnAirport1Ok	= false;
		var blnAirport2Ok	= false;
		var blnTime1Ok		= false;
		var blnTime2Ok		= false;
		var blnOperatorOk	= false;
		var blnAllOk		= false;

		if((blnNoStop && (item.OutStops == '0' || item.OutStops == '')) ||
		(bln1Stop && ResultView[i].OutStops == '1') ||
		(bln2Stop && ResultView[i].OutStops == '2'))
			blnStopsOk = true;

		if(!findStringInArray(arrAirportsDepNotShown, item.DepIata))
			blnAirport1Ok = true;

		if(!findStringInArray(arrAirportsDestNotShown, item.DestIata))
			blnAirport2Ok = true;

		if(MapVisible && MapAirport){
			var apt = (MapIsDep ? item.DepIata : item.DestIata);
			blnAirport2Ok &= (apt == MapAirport);
		}

		if(!findStringInArray(arrOperatorsNotShown, item.Operator))
			blnOperatorOk = true;

		if((parseFloat(item.OutDepTime) >= TimeDepStart) &&
			(parseFloat(item.OutDepTime) < TimeDepEnd))
			blnTime1Ok = true;

		if(ResultView[i].Way == 1 ||
			((parseFloat(item.InDepTime) >= TimeRetStart) &&
			(parseFloat(item.InDepTime) < TimeRetEnd)))
			blnTime2Ok = true;

		blnAllOk = blnStopsOk && blnAirport1Ok && blnAirport2Ok && blnTime1Ok && blnTime2Ok && blnOperatorOk;

		if(blnAllOk){ info.FilteredResults[info.FilteredResults.length] = item; }
		else{ item.TableRef = null; item.PriceCell = null; item.UpdateCell = null; }
	}
}

function AirportObject(city, fullname, iata){
	this.City = city;
	this.Full = fullname;
	this.IATA = iata;
}

function OperatorObject(opid, operator, url, price, val){
	this.OPID = opid;
	this.Operator = operator;
	this.Url = url;
	this.Price = price;
	this.Value = val;
}

function DateFilterObject(out_date, in_date, alt, price, url, val){
	this.OutDate = out_date;
	this.InDate = in_date;
	this.IsChecked = !alt;
	this.IsAlternative = alt;
	this.Price = price;
	this.Value = val;
	this.Url = url;

	this.toString = function(){
		return this.OutDate.toString() + this.InDate.toString();
	}

	function displayText(){
		var out = '';
		var ret = '';
		var outputString = '';
		out = new DateObject(this.OutDate, 'dd/MM/yyyy');
		outputString = out.ToString('d MMM');

		if(this.InDate != null && this.InDate != ''){
			ret = new DateObject(this.InDate, 'dd/MM/yyyy');
			outputString += ' - ' + ret.ToString('d MMM');
		}

		return outputString;
	}
	this.displayText = displayText;
}

function SettingsInfo(){
	this.ID = '';
	this.View = 0;
	this.ResultType = 0;
	this.CurrentPage = 1;
	this.Table = 'progressiveResults';
	this.Results = new Array();
	this.FilteredResults = new Array();
	this.AltResults = new Array();
	this.DepArray = new Array();
	this.DepID = 'airportsDep';
	this.DestArray = new Array();
	this.DestID = 'airportsDest';
	this.DatesID = 'dateFilter';
	this.OperatorsArray = new Array();
	this.OperatorsID = 'operatorsFilter';
	this.DrawOperators = null;
	this.GetAirport = GetAirport;
	this.NonStopID = 'chkNonStop';
	this.OneStopID = 'chk1Stop';
	this.TwoStopID = 'chk2Stop';
	this.TimeDepStart = 'depstart';
	this.TimeDepEnd = 'depend';
	this.TimeRetStart = 'retstart';
	this.TimeRetEnd = 'retend';
	this.CountsTextID = 'resultsCounts';
	this.FooterID = 'tblResFoot';
	this.PagesID = 'spanPages';
	this.TabName = 'tabCheapest';
	this.FlexRequest = null;
	this.GraphData = null;
	this.Chart = null;
	this.Way = SEARCH_WAY;
	this.DepIATA = SEARCH_DEP;
	this.DestIATA = SEARCH_DEST;
	this.GraphMonth = SEARCH_MONTH;
	this.GraphYear = SEARCH_YEAR;

	this.GetTooltipHtml = function(index){
		var html = '', opDetail = '', apts = '';
		if(this.GraphData && this.GraphData.length > index && this.GraphData[index]){
			var item = this.GraphData[index];
			var html = item.GetItemHtml();
		}
		return html;
	}
}

function GetDefaultInfo(id){
	var obj = new SettingsInfo();
	obj.ID = id;
	obj.View = 1;
	obj.ResultType = 0;
	obj.DepID = 'airportsDep1';
	obj.DestID = 'airportsDest1';
	obj.DatesID = null;
	obj.DrawOperators = null;
	obj.TimeDepStart = null;
	obj.TimeDepEnd = null;
	obj.TimeRetStart = null;
	obj.TimeRetEnd = null;
	obj.TabName = 'tabCheapest';
	obj.GetAirport = GetAirport;
	obj.FlexRequest = new FlexibleRequestObject(obj.ResultType);
	obj.GraphData = new Object();
	obj.Chart = new MonthChart(id, 'flexChart1', null);

	obj.GetTooltipHtml = function(val){
		var html = '', opDetail = '', apts = '';
		if(this.GraphData && this.GraphData[val]){
			var item = this.GraphData[val];
			var html = item.GetItemHtml();
		}
		return html;
	}

	return obj;
}

function GetFlexibleInfo(id){
	var obj = new SettingsInfo();
	obj.ID = id;
	obj.View = 1;
	obj.ResultType = 1;
	obj.DatesID = null;
	obj.DrawOperators = drawOperators;
	obj.GetAirport = GetAirport;
	obj.TabName = 'tabMonth';
	obj.FlexRequest = new FlexibleRequestObject(obj.ResultType);
	obj.GraphData = GetEmptyGraphArray(obj);
	obj.Chart = new BarChart(id,'flexChart1','graphMonthLabel','graphPrevMonthImg');
	return obj;
}

function GetSettingsInfo(type){
	switch(type){
		case 0:
			return DefaultInfo;
		case 1:
			return FlexibleInfo;
	}
	return null;
}

function ResetCurrentPage(){
	GetSettingsInfo(0).CurrentPage = 1;
	GetSettingsInfo(1).CurrentPage = 1
}

function AddCommand(item){
	var info = GetSettingsInfo(item.ResultType);
	if(info){
		if(info.DepArray && !FindAirportInArray(info.DepArray, item.DepIata)){
			var depapt = info.GetAirport(item.DepIata);
			if(depapt){
				info.DepArray.push(depapt);
				if(CurrentView == info.View)
					drawAirports(info.DepArray, info.DepID, info, DEP_COUNTRY_CODE);
			}
		}

		if(info.DestArray && !FindAirportInArray(info.DestArray, item.DestIata)){
			var destapt = info.GetAirport(item.DestIata);
			if(destapt){
				info.DestArray.push(destapt);
				if(CurrentView == info.View)
					drawAirports(info.DestArray, info.DestID, info, DEST_COUNTRY_CODE);
			}
		}

		if(info.OperatorsArray && !findOperatorInArray(info.OperatorsArray, item)){
			var redirectUrl = item.GetRedirectLink();
			var operator = new OperatorObject(item.OPID, item.Operator, redirectUrl, item.ShortPrice, item.TotalPrice)
			info.OperatorsArray.push(operator);
			if(info.DrawOperators && CurrentView == info.View)
				info.DrawOperators(info.OperatorsArray, info.OperatorsID);
		}
	}
}

function RedrawFilters(type){
	var info = GetSettingsInfo(type);

	if(info.DepArray)
		drawAirports(info.DepArray, info.DepID, info, DEP_COUNTRY_CODE);

	if(info.DestArray)
		drawAirports(info.DestArray, info.DestID, info, DEST_COUNTRY_CODE);

	if(info.DrawOperators && info.OperatorsArray)
		info.DrawOperators(info.OperatorsArray, info.OperatorsID);
}

function SetOperatorFinished(opid){
	for(var i = 0; i < arrOperatorsFinished.length; i++){
		if(opid == arrOperatorsFinished[i])
			return;
	}

	arrOperatorsFinished.push(opid);
}

function OpIsFinished(opid){
	for(var i = 0; i < arrOperatorsFinished.length; i++){
		if(opid == arrOperatorsFinished[i])
			return true;
	}

	return false;
}

function drawOperators(arrOps, id){
	ClearTableById(id)
	var operatorsSection = GetItemById(id);

	arrOps.sort(CompareOperatorArray);
	for(var i = 0; i < arrOps.length; i ++){
		var oprow = operatorsSection.insertRow(operatorsSection.rows.length);
		var cell1 = oprow.insertCell(0);
		var cell2 = oprow.insertCell(1);
		var cell3 = oprow.insertCell(2);
		WriteOperatorHtml(arrOps[i], cell1, cell2, cell3, i);
	}
}

function WriteOperatorHtml(op, cell1, cell2, cell3, i){
	var link = '<a href="' + op.Url + '" target="_blank">';
	cell1.vAlign = cell2.vAlign = cell3.vAlign = 'middle';
	cell1.width = '14px';
	cell3.align = 'right'; cell3.noWrap = true;
	cell1.innerHTML = '<INPUT Type=checkbox onClick="filter()" checked id=chkOp' + i + ' value="' + op.Operator + '">';
	cell2.innerHTML = link + op.Operator + '</a>';
	cell3.innerHTML = link + '<span id="spanOp' + op.Operator + '">' + op.Price + '</span></a>';
}

function ClearTableById(id){
	var mTable = GetItemById(id);

	if(mTable == null)
		return;

	while(mTable.rows[0])
		mTable.deleteRow(0);
}

function CompareString(a,b){
	return ((a > b) ? 1 : ((a < b) ? -1 : 0));
}

function CompareName(a,b){
	return ((a.Name > b.Name) ? 1 : ((a.Name < b.Name) ? -1 : 0));
}

function CompareOperatorArray(a,b){
	var x = null;
	var y = null;
	x = b.Operator.toLowerCase();
	y = a.Operator.toLowerCase();

	return ((x < y) ? 1 : ((x > y) ? -1 : 0));
}

function CompareDatesArray(a,b){
	var x1 = new DateObject(a.OutDate, 'dd/MM/yyyy');
	var x2 = new DateObject(a.InDate, 'dd/MM/yyyy');
	var y1 = new DateObject(b.OutDate, 'dd/MM/yyyy');
	var y2 = new DateObject(b.InDate, 'dd/MM/yyyy');

	if(x1.DateItem < y1.DateItem)
		return -1;
	else if(x1.DateItem > y1.DateItem)
		return 1;
	else if(x2.DateItem < y2.DateItem)
		return -1;
	else if(x2.DateItem > y2.DateItem)
		return 1;
	else
		return 0;
}

function drawAirports(arr, id, info, country){
	var airports = GetItemById(id);

	if(airports == null)
		return;

	while(airports.rows[0])
		airports.deleteRow(0);

	arr.sort(CompareDistance);

	for(var i = 0; i < arr.length; i++){
		var oprow, opcell1, opcell2;
		var aptFull = arr[i].GetFullName();
		var checked = (arr[i].Checked ? ' checked' : '');

		var chk = '<INPUT Type=checkbox onClick="SetAirportCheck(this.value,this.checked,true)"' + checked + ' id=chk' + i + ' value="' + arr[i].IATA + '">';
		var apt = arr[i].City + ' (' + arr[i].IATA + ')' + (arr[i].Distance < 0 ? '' : '<br>' + arr[i].Distance + ' KM');
		oprow = airports.insertRow(airports.rows.length);
		opcell1 = oprow.insertCell(0);
		opcell1.width = '14px';
		opcell1.vAlign = 'top';
		opcell1.title = aptFull;
		opcell1.innerHTML = chk;
		opcell2 = oprow.insertCell(1);
		opcell2.className = 'AptCheckText';
		opcell2.title = aptFull;
		opcell2.innerHTML = apt;
	}
}

function showLoadingScreen(blnVal){
	GetItemById('updating').style.display = (blnVal && SearchFinished ? '' : 'none');
	if(blnVal){ LoadingScreen.show(); }
	else{ LoadingScreen.hide(); }
}

function isDateCheckedInArray(arr, item){
	var dateToFind = item.DepDate + item.RetDate;
	for(var i = 0; i < arr.length; i++){
		if(arr[i].toString() == dateToFind){
			return arr[i].IsChecked;
		}
	}
	return false;
}

function getDateFromArray(arr, dateToFind){
	for(var i = 0; i < arr.length; i++){
		if(arr[i].toString() == dateToFind)
			return arr[i];
	}
}

function findDateInArray(arr, item){
	var dateToFind = item.DepDate + item.RetDate;
	for(var i = 0; i < arr.length; i++){
		if(arr[i].toString() == dateToFind){
			if(item.TotalPrice < arr[i].Value){
				arr[i].Url = item.GetRedirectLink();
				arr[i].Price = item.ShortPrice;
				arr[i].Value = item.TotalPrice;
			}
			return true;
		}
	}
	return false;
}

function findOperatorInArray(arr, item){
	for(var i = 0; i < arr.length; i++){
		if(arr[i].OPID == item.OPID){
			if(item.TotalPrice < arr[i].Value){
				arr[i].Url = item.GetRedirectLink();
				arr[i].Price = item.ShortPrice;
				arr[i].Value = item.TotalPrice;
			}
			return true;
		}
	}
	return false;
}

function findStringInArray(arrString,strToFind){
	for(var i=0;i<arrString.length;i++){
		if(arrString[i]==strToFind){
			return true;
		}
	}
	return false;
}

function Sort(sortAlg){
	showLoadingScreen(true);
	setTimeout('DoSort(' + sortAlg + ')');
	filter();
}

var blnSortByPriceInv = false;
var blnSortByAirlineInv = true;
var blnSortByOperatorInv = true;
var blnSortByDepartTime = true;
var blnSortByArriveTime = true;
var blnSortByStops = true;

function DoSort(sortAlg){
	switch(sortAlg){
		case 0:
			blnSortByPriceInv=!blnSortByPriceInv;
			GetSettingsInfo(0).Results.sort(ComparePrice);
			if(GetSettingsInfo(1).Results){ GetSettingsInfo(1).Results.sort(ComparePrice); }
			break;
		case 1:
			blnSortByAirlineInv=!blnSortByAirlineInv;
			GetSettingsInfo(0).Results.sort(CompareAirline);
			if(GetSettingsInfo(1).Results){ GetSettingsInfo(1).Results.sort(CompareAirline); }
			break;
		case 2:
			blnSortByOperatorInv=!blnSortByOperatorInv;
			GetSettingsInfo(0).Results.sort(CompareOperator);
			if(GetSettingsInfo(1).Results){ GetSettingsInfo(1).Results.sort(CompareOperator); }
			break;
		case 3:
			blnSortByDepartTime=!blnSortByDepartTime;
			GetSettingsInfo(0).Results.sort(CompareDepartTime);
			if(GetSettingsInfo(1).Results){ GetSettingsInfo(1).Results.sort(CompareDepartTime); }
			break;
		case 4:
			blnSortByArriveTime=!blnSortByArriveTime;
			GetSettingsInfo(0).Results.sort(CompareArriveTime);
			if(GetSettingsInfo(1).Results){ GetSettingsInfo(1).Results.sort(CompareArriveTime); }
			break;
		case 5:
			blnSortByStops=!blnSortByStops;
			GetSettingsInfo(0).Results.sort(CompareStops);
			if(GetSettingsInfo(1).Results){ GetSettingsInfo(1).Results.sort(CompareStops); }
			break;
	}
}

function ComparePrice(a,b){
	var x = null;
	var y = null;
	if(!blnSortByPriceInv){
		x = a.TotalPrice;
		y = b.TotalPrice;
	}
	else{
		x = b.TotalPrice;
		y = a.TotalPrice;
	}
	return ((x < y) ? -1 : ((x > y) ? 1 : 0));
}

function CompareAirline(a,b){
	var x = null;
	var y = null;
	if(!blnSortByAirlineInv){
		x = a.Airline.toLowerCase();
		y = b.Airline.toLowerCase();
	}
	else{
		x = b.Airline.toLowerCase();
		y = a.Airline.toLowerCase();
	}
	return ((x < y) ? -1 : ((x > y) ? 1 : 0));
}

function CompareOperator(a,b){
	var x = null;
	var y = null;
	if(!blnSortByOperatorInv){
		x = a.Operator.toLowerCase();
		y = b.Operator.toLowerCase();
	}
	else{
		x = b.Operator.toLowerCase();
		y = a.Operator.toLowerCase();
	}
	return ((x < y) ? -1 : ((x > y) ? 1 : 0));
}

function CompareDepartTime(a,b){
	var x = null;
	var y = null;
	if(!blnSortByDepartTime){
		x = a.OutDepTime.replace(':','');
		y = b.OutDepTime.replace(':','');
	}
	else{
		x = b.OutDepTime.replace(':','');
		y = a.OutDepTime.replace(':','');
	}
	return ((x < y) ? -1 : ((x > y) ? 1 : 0));
}

function CompareArriveTime(a,b){
	var x = null;
	var y = null;
	if(!blnSortByArriveTime){
		x = a.OutArrTime.replace(':','');
		y = b.OutArrTime.replace(':','');
	}
	else{
		x = b.OutArrTime.replace(':','');
		y = a.OutArrTime.replace(':','');
	}
	return ((x < y) ? -1 : ((x > y) ? 1 : 0));
}

function CompareStops(a,b){
	var x1=0, x2=0, y1=0, y2=0;
	if(!blnSortByStops){
		x1 = a.OutStops; y1 = b.OutStops; x2 = a.InStops; y2 = b.InStops;
	}
	else{
		x1 = b.OutStops; y1 = a.OutStops; x2 = b.InStops; y2 = a.InStops;
	}
	return ((x1 < y1) ? -1 : ((x1 > y1) ? 1 : (x2 < y2) ? -1 : ((x2 > y2) ? 1 : 0)));
}

function UpdateFlexible(){
	if(CurrentView == 1){
		RedrawFilters(1);
	}

	setTimeout('UpdateFilter()', 80);
}

function FetchFlexibleDayFlights(day, type, way){
	showLoadingScreen(true);
	var info = GetSettingsInfo(type);
	info.DepArray = new Array();
	info.DestArray = new Array();
	info.OperatorsArray = new Array();
	info.Results = new Array();
	ClearAirportCheapest();
	info.FlexRequest.FetchResults('day', info.ResultType, info.DepIATA,
		info.DestIATA, day, info.GraphMonth, info.GraphYear, SEARCH_ADULTS,
		SEARCH_CHILDREN, SEARCH_INFANTS, way, CURRENCY_REGION);
}

function GetNextMonthFlexibleFlights(graphNum){
	var info = null;
	if(graphNum == 1 && CurrentView == 1)
		info = GetSettingsInfo(1);

	if(info == null)
		return;

	info.GraphMonth++;
	if(info.GraphMonth > 12){
		info.GraphMonth = 1;
		info.GraphYear++;
	}

	info.GraphData = GetEmptyGraphArray(info);
	FetchFlexibleMonthFlights(info);
}

function GetPrevMonthFlexibleFlights(graphNum){
	var info = null;
	if(graphNum == 1 && CurrentView == 1)
		info = GetSettingsInfo(1);

	if(info == null)
		return;

	var now = new Date();
	var nowMonth = now.getMonth() + 1;
	var nowYear = now.getFullYear();
	if(info.GraphMonth == nowMonth && info.GraphYear == nowYear)
		return;

	info.GraphMonth--;
	if(info.GraphMonth < 1){
		info.GraphMonth = 12;
		info.GraphYear--;
	}

	info.GraphData = GetEmptyGraphArray(info);
	FetchFlexibleMonthFlights(info);
}

function FetchFlexibleMonthFlights(info){
	showLoadingScreen(true);
	info.DepArray = new Array();
	info.DestArray = new Array();
	info.OperatorsArray = new Array();
	info.Results = new Array();
	ClearAirportCheapest();
	info.FlexRequest.FetchResults('month', info.ResultType, info.DepIATA,
		info.DestIATA, 1, info.GraphMonth, info.GraphYear, SEARCH_ADULTS,
		SEARCH_CHILDREN, SEARCH_INFANTS, info.Way, CURRENCY_REGION);
}

function GetEmptyGraphArray(info){
	var arr = new Array();
	var dtMonth = new Date(info.GraphYear, (info.GraphMonth-1), 1);
	while(dtMonth.getMonth() == (info.GraphMonth-1)){
		arr.push(null);
		dtMonth.setDate(dtMonth.getDate() + 1);
	}
	return arr;
}

function SetGraphItem(item){
	var index = item.DepDay - 1;
	var info = GetSettingsInfo(item.ResultType)
	if(info.GraphData && (info.GraphData[index] == null || 
		item.TotalPrice < info.GraphData[index].TotalPrice)){
		info.GraphData[index] = item;
	}
}

function EndSearch(){
	SearchFinished = true;
	var info;

	if(CurrentView == 0){
		RedrawFilters(0);
		info = GetSettingsInfo(0);
	}
	else if(CurrentView == 1){
		RedrawFilters(1);
		info = GetSettingsInfo(0);
	}

	UpdateFilter();
}

function DrawAlternativeSearch(info){
	var depArr = info.DepArray;
	var depChecked = 0;
	for(var i = 0; i < depArr.length; i++){
		depChecked += (depArr[i].Checked ? 1 : 0);
	}

	var destArr = info.DestArray;
	var destChecked = 0;
	for(var i = 0; i < destArr.length; i++){
		destChecked += (destArr[i].Checked ? 1 : 0);
	}

	var altPane = GetItemById('pnlAltSearch');
	var resPane = GetItemById('resultsPane');
	if(info.FilteredResults.length == 0 && 
		((depChecked == 0 && depArr.length > 0) ||
		(destChecked == 0 && destArr.length > 0))){
		var aptIcon = '<img src="' + IMG_ROOT + 'i/map/apt_sml.gif" width=12 height=18>';
		var html = '<div class="ErrorMessage">';
		html += TXT_NO_RESULTS_FOUND + '<br>';
		html += TXT_TRY_THESE_AIRPORTS + '</div>';
		html += '<table align=center cellspacing=5><tr>';
		html += '<td align=center class="FilterSubTitle">' + TXT_DEPARTURES + '</td>';
		html += '<td align=center class="FilterSubTitle">' + TXT_DESTINATIONS + '</td></tr>';
		html += '<tr><td valign=top><table>';
		for(var i = 0; i < depArr.length; i++){
			var checked = (depArr[i].Checked ? ' checked' : '');
			html += '<tr><td>'
			html += '<INPUT Type=checkbox onClick="SetAirportCheck(this.value,this.checked,false)"' + checked + ' value="' + depArr[i].IATA + '">';
			html += '</td><td>' + aptIcon + '</td><td>'
			html += depArr[i].GetFullName() + ' (' + depArr[i].IATA + ') ' + depArr[i].Country + '<br>';
			html += (depArr[i].Distance < 0 ? '' : ' ' + depArr[i].Distance + ' KM from ' + DEP_CITY);
			html += '</td></tr>'
		}
		html += '</table></td><td valign=top><table>';
		for(var i = 0; i < destArr.length; i++){
			var checked = (destArr[i].Checked ? ' checked' : '');
			html += '<tr><td>'
			html += '<INPUT Type=checkbox onClick="SetAirportCheck(this.value,this.checked,false)"' + checked + ' value="' + destArr[i].IATA + '">';
			html += '</td><td>' + aptIcon + '</td><td>'
			html += destArr[i].GetFullName() + ' (' + destArr[i].IATA + ') ' + destArr[i].Country + '<br>';
			html += (destArr[i].Distance < 0 ? '' : ' ' + destArr[i].Distance + ' KM from ' + DEST_CITY);
			html += '</td></tr>'
		}
		html += '</table></td></tr>';
		html += '<tr><td colspan=2 align=center>';
		html += '<br><input type=button value="' + TXT_UPDATE + '" onClick="filter()"></td></tr></table>';
		altPane.innerHTML = html;
		resPane.style.display = 'none';
		altPane.style.display = '';
		ShowMap(true, info.TabName, false);
	}
	else{
		altPane.style.display = 'none';
		resPane.style.display = '';
	}
}

function SetAirportCheck(iata, checked, update){
	var apt = GetAirport(iata);
	if(apt){
		apt.Checked = checked;
		if(CurrentView == 0){ RedrawFilters(0); }
		else if(CurrentView == 1){ RedrawFilters(1); }
		if(update){ filter(); }
	}
}

/* MANAGE DATES */
function DateObject(date_string, format){
	this.DateItem = new Date();
	this.DateString = date_string;
	this.Format = format;

	this.GetDay = function(){ return this.DateItem.getDate(); }
	this.GetMonth = function(){ return this.DateItem.getMonth()+1; }
	this.GetYear = function(){ return this.DateItem.getFullYear(); }

	this.GetMonthName = function(month){ return MonthNames[month-1]; }
	this.GetMonthAbbr = function(month){ return MonthAbbr[month-1]; }

	this.ToString = function(fmt){
		var d = this.DateItem.getDate();
		var m = this.DateItem.getMonth()+1;
		var y = this.DateItem.getFullYear();
		var outString = '';

		switch(fmt){
			case 'd MMM':
				outString = d + ' ' + this.GetMonthAbbr(m);
				break;
			case 'd MMMM':
				outString = d + ' ' + this.GetMonthName(m);
				break;
			case 'yyyy-m-y':
				outString = y + '-' + m + '-' + d;
				break;
			default:
				outString = this.DateItem.toLocaleDateString();
				break;
		}

		return outString;
	}

	this.ParseDate = function(){
		if(!this.DateString || !this.Format)
			return new Date();

		var d, m, y;
		var dateParts = this.DateString.split('/');
		var fmtParts = this.Format.split('/');

		for(var i = 0; i < fmtParts.length; i++){
			switch(fmtParts[i]){
				case 'd':
				case 'dd':
					if(i < dateParts.length){ d = parseInt(dateParts[i], 10); }
					break;
				case 'M':
				case 'MM':
					if(i < dateParts.length){ m = parseInt(dateParts[i], 10) - 1; }
					break;
				case 'yyyy':
					if(i < dateParts.length){ y = parseInt(dateParts[i], 10); }
					break;
			}
		}
		return new Date(y, m, d);
	}

	this.DateItem = this.ParseDate();
}

function GetAirport(iata){
	return AirportsList[iata];
}

function AddAirport(iata, city, name, country, countrycode, dist, lat, lon, searchIata, checked, type){
	new AirportDetails(AirportsList, iata, city, name, country, countrycode, dist, lat, lon, searchIata, checked, type);
}

function ClearAirportCheapest(){
	for(var iata in AirportsList){
		AirportsList[iata].CheapestFlight = null;
	}
}

function AirportDetails(obj, iata, city, name, country, countrycode, dist, lat, lon, searchIata, checked, type){
	this.IATA = iata;
	this.City = city;
	this.Name = name;
	this.Country = country;
	this.CountryCode = countrycode;
	this.Distance = dist;
	this.Latitude = lat;
	this.Longitude = lon;
	this.SearchIATA = searchIata;
	this.Type = type;
	this.CheapestFlight = null;
	this.MapPin = null;
	this.Checked = checked;

	this.GetFullName = function(){
		var fullname = this.City;
		fullname += (this.Name.length > 0 ? ' ' + this.Name : '');
		return fullname;
	}

	if(obj[iata] != null)
		return;

	obj[iata] = this;
}

function CompareDistance(a, b){
	var x = a.Distance;
	var y = b.Distance;
	return ((x < y && x >= 0) ? -1 : ((y < x && y >= 0) ? 1 : 0));
}

function FindAirportInArray(arr, iata){
	for(var i = 0; i < arr.length; i++){
		if(arr[i].IATA == iata)
			return arr[i];
	}

	return null;
}

function StopSearch(){
	try{
		if(window.stop){ window.stop(); }
		else{ document.execCommand('Stop'); }
	}
	catch(e){}
	EndSearch();
}

function CreateMap(){
	var map = new mapManager({id:'mapDiv',useLoader:true});
	map.createMap(DEST_LATITUDE, DEST_LONGITUDE)
	return map;
}

function ShowDepartures()
{
	MapIsDep = true;
	MapAirport = null;
	GetItemById('mapDeps').style.fontWeight = 'bold';
	GetItemById('mapDests').style.fontWeight = '';
	if(MyMap) {
		MyMap.moveTo(DEP_LATITUDE, DEP_LONGITUDE);
	}
	filter();
}

function ShowDestinations()
{
	MapIsDep = false;
	MapAirport = null;
	GetItemById('mapDeps').style.fontWeight = '';
	GetItemById('mapDests').style.fontWeight = 'bold';
	if(MyMap) {
		MyMap.moveTo(DEST_LATITUDE, DEST_LONGITUDE);
	}
	filter();
}

function ShowMap(visible, tabName, update){
	MapVisible = visible;
	MapAirport = null;
	
	if(update){ UpdateFilter(); }
	
	if(!tabName && MapVisible){
		GetItemById('tabCheapest').className = 'unselectedTab';
		GetItemById('tabMonth').className = 'unselectedTab';
	}
	else{
		GetItemById(tabName).className = (MapVisible ? 'unselectedTab' : 'selectedTab');
	}

	GetItemById('tabMap').className = (MapVisible ? 'selectedTab' : 'unselectedTab');
	GetItemById('pnlMap').style.display = (MapVisible ? '' : 'none');
	GetItemById('pnlDefault').style.display = (MapVisible ? 'none' : '');
	GetItemById('mapNav').style.display = (MapVisible ? '' : 'none');

	if(MapVisible){
		if(!MyMap) {
			MyMap = CreateMap()
		}
		AddAirportsToMap(MyMap);
	}
}

function CreateMarker(point, apt) {
	if(!MyMap){ return; }
	var flight = apt.CheapestFlight;
	var aptName = apt.GetFullName();
	var obj = {id:apt.IATA, img:null, width:0, height:0, lat:point.lat, lon:point.lon, html:null, title:aptName, visible:true};
	
	if(apt.CheapestFlight){
		obj.img = IMG_ROOT + 'i/map/apt.png';
		obj.width = 20;
		obj.height = 34;
	}
	else{
		obj.img = IMG_ROOT + 'i/map/aptEmpty.png';
		obj.width = 15;
		obj.height = 24;
	}

	var html = '<div class="mapResult">';
	if(flight){
		var isDep = (flight.DepIata == apt.IATA);
		var iata = (isDep ? flight.DepIata : flight.DestIata);
		html += '<div class="mapText">' + (flight.DepAirport ? flight.DepAirport.GetFullName() :  flight.DepIata);
		html += ' to ' + (flight.DestAirport ? flight.DestAirport.GetFullName() :  flight.DestIata) + '</div>';
		html += apt.CheapestFlight.GetItemHtml();
		html += '<div style="padding-top:4px;">';
		html += '<a class="blueText" href="' + flight.GetRedirectLink() + '" target="_blank">';
		html += TXT_VERIFY_AVAILABILITY;
		html += '</a></div>';
		html += '<div style="padding-top:4px;">';
		html += '<a class="GreenLink" href="javascript:ShowMapFlightsByAirport(\'' + iata + '\',' + isDep + ')">';
		html += (isDep ? TXT_MORE_FLIGHTS_FROM : TXT_MORE_FLIGHTS_TO);
		html += '</a></div>';
	}
	else{
		html += '<div class="mapText">' + aptName + '</div>';
	}

	html += '</div>';
	
	obj.html = html;

	MyMap.updateMarkers(obj);
	return obj;
}

function AddAirportsToMap(map){
	for(var iata in AirportsList){
		var apt = AirportsList[iata];
		if(apt){
			var point = {lat:apt.Latitude, lon:apt.Longitude};
			apt.MapPin = CreateMarker(point, apt);
		}
		else{
			arr.push(apt);
		}
	}
}

function ShowMapFlightsByAirport(iata, isDep){
	MapAirport = iata;
	MapIsDep = isDep;
	SetAirportCheck(iata,true,false);
	filter();
}

function HideElement(elem){
	elem.style.display = 'none';
}

function GetItemById(id){
	return (document.all ? document.all[id] : document.getElementById(id));
}