var Airline = '';
var Class = '3';
var bNS = '0';
var bCP = '0';

var arrAL = new Array('|No Preference','EI|Aer Lingus','AM|Aeromexico','VV|Aerosvit Airlines','AB|Air Berlin','AC|Air Canada','AF|Air France','NZ|Air New Zealand','TS|Air Transat','AS|Alaska Airlines','AZ|Alitalia','NH|All Nippon Airways','AA|American Airlines','OZ|Asiana Airlines','OS|Austrian Airlines','AV|Avianca','BD|bmi','BA|British Airways','BW|Caribbean Airlines','CX|Cathay Pacific','CI|China Airlines','CO|Continental','OK|Czech Airlines','DL|Delta','EK|Emirates','EY|Etihad Airways','AY|Finnair','F9|Frontier Airlines','HA|Hawaiian Airlines','FI|Icelandair','JL|Japan Airlines','9W|Jet Airways','KL|KLM','KE|Korean Air','LR|LACSA','LA|LAN Airlines','4M|Lan Argentina','XL|LAN Ecuador','LO|LOT-Polish Airlines','LH|Lufthansa','MH|Malaysia Airlines','MA|Malev Hungarian Airlines','MX|Mexicana','OA|Olympic','PD|Porter Airlines','QF|Qantas Airways','QR|Qatar Airways','AT|Royal Air Maroc','RJ|Royal Jordanian','SK|SAS','SQ|Singapore Airlines','LX|Swiss International Air Lines','TA|TACA','JJ|TAM Brazilian Airlines','TP|TAP Portugal','TG|Thai Air International','TK|Turkish Airlines','UA|United','US|US Airways','VS|Virgin Atlantic','WS|WestJet');

var arrAC = new Array('3|Economy / Coach','2|Business','1|First Class');

var minD = 1;
var maxD = 5;
var maxD1 = 3;
var aFCity = GetDefaultF('FCity').split(',');
var aTCity = GetDefaultF('TCity').split(',');
var aFDate = GetDefaultF('FDate').split(',');
var aFTime = GetDefaultF('FTime').split(',');

var pst = '';
var cst = '';
var bB = true;

//window.onload = I;
document.onclick = HCal;

function hw(id)
{
	DE("errRw").style.display = "none";
	
	if(id == ''){if(DE('r1').checked){id='1';}else{id='7';}}
	cst = DE('typ').options[DE('typ').selectedIndex].value;
	if ((id == pwid) && (pst == cst) && (bFlex == DE('flx').checked)){return;}
	cwid = id;
	DE('r' + id).checked = true;
    SO();
	SetSearchType();
	//SetTeleMessage();
	if((cwid == '1' && cst == '1') || cwid == '7'){SH(DE('divFlex'),1);}else{SH(DE('divFlex'),0);}
	bFlex = DE('flx').checked;
	if(cwid == '1')
	{
	    SH(DE('divWrs'),1);
	    if(bFlex && cst == '1')
	    {
	        SH(DE('divWOptions'),0);
	    }
	    else
	    {
	        SetAO();
	        SH(DE('divWOptions'),1);
	    }
	}
	else if(cwid == '7')
	{
	    SH(DE('divWrs'),0);
	    if(bFlex)
	    {
	        SH(DE('divWOptions'),0);
	    }
	    else
	    {
	        SH(DE('divWOptions'),1);
	    }
	}
	else
	{
	    SH(DE('divWrs'),0);
	    SH(DE('divWOptions'),0);
	}
	SetST(cwid);
	SetCities()
	BuildFields();
	pwid = cwid;
	pst = cst;
	
	
//	//set referrer ID
	switch(id)
	{
	    case "1":
            setRffr("-54285");
            break;
	    case "4":
            setRffr("-54287");
	        break;
	    case "7":
            setRffr("-54288");
	        break;
	    case "5":
            setRffr("-54286");
	        break;
	}
	
}

function SetCities()
{
    var el;
    var t = '';
    if(!bFlex)
    {
		el = DE('fci');
		if(el != null)
		{
		    if(el.value != ''){aFCity[0] = el.options[el.selectedIndex].text;DE('aFCity').value = aFCity.join('|');FCity = aFCity[0];DE('FCity').value = FCity;}
		    el = DE('tci');
		    if(el.value != ''){aTCity[0] = el.options[el.selectedIndex].text;DE('aTCity').value = aTCity.join('|');TCity = aTCity[0];DE('TCity').value = TCity;}
		}
    }
}

function BuildFields()
{
	switch (pwid){case '4':case '5':switch (cwid){case '4':case '5':if(!bB){pwid = cwid;return;};break;}break;}
	if (bB){GetSavedValues();}
    SO();
	SetIH('divWFields',GetFieldsHTML());
	BuildRASC();
	SetCC();
	if (bB && DE('ao').value == '1'){SetAO();}
	bB = false;
}
function BuildRASC()
{
	if(pwid == cwid){return;}
	switch (pwid){case '1':case '4':case '5':switch (cwid){case '1':case '4':case '5':if (bB){return ''};break;}break;}
	var n = 0;
	switch (cwid)
	    {
	        case '1':case '7':n = 1;maxC=6;break;
	        case '4':case '5':case '6':n = 2;maxC=5;break;
	        default:n = 0;break;
	    }
	var s = true;
	maxR = 3;
	SetRASC(n,s);
}

function GetFieldsHTML()
{
    var t = ''; 
	switch (cwid)
	{
		case '1':case '7':
            if(cwid == '7'){cst='1';}
	        sb1.Reset();
	        switch (cst)
	        {
		        case '1':
		            if(bFlex)
		            {
			            t = GetFields('FL');break;
		            }
		            else
		            {
			            t = GetFields('F');break;
		            }
			        break;
		        case '2':
                    t = t + GetMDHTML(1);
			        break;
		        case '3':
	                if (DE('md').value == '1'){maxD1 = maxD;}
			        for(var i = minD; i < (maxD1 + 1); i++)
			        {
                        t = t + '<div class="bl2" style="color:#cc6600;font-weight:bold;">Flight ' + i + '</div>';
                        t = t + GetMDHTML(i);
			        }
			        if(maxD1 == 3)
			        {
                        t = t + '<div class="bl1" style="padding-bottom:12px;"><a id="amd" href="javascript:md();">Need more flights and destinations?</a></div>';
			        }
			        break;
	        }
		    break;
        case '4':case '5':t = GetFields('F');break;
		default:t = '';break;
	}
	return t;
}

function SetAO()
{
    DE('ao').value = '1';
	if(DE('divO1')){SetIH('divO1',GetAOHTML());}
}

function md()
{
    DE('md').value = '1';
    maxD1 = maxD;
    pwid = '';
    hw('1');
}

function GetMDHTML(i)
{
	var t = '';
	var n = '';
	var d1 = FCity;
	var d2 = TCity;
	var d3 = FDate;
	var d4 = FTime;
	if(i > 1){n = i;}
	d1 = aFCity[i - 1];
	d2 = aTCity[i - 1];
	d3 = aFDate[i - 1];
	d4 = aFTime[i - 1];
	t = t + '<div class="bl1">';
	t = t + '<div class="flmed">' + GetGL('fcy' + n,'Leaving from:') + '<br/>' + GetGI('fcy' + n,d1,'','',' autocomplete="off" onfocus="HCal();this.select();" onchange="Rem(this);"','100') + '</div>';
	t = t + '<div class="frmed">' + GetGL('tcy' + n,'Going to:') + '<br/>' + GetGI('tcy' + n,d2,'','',' autocomplete="off" onfocus="HCal();this.select();" onchange="Rem(this);"','100') + '</div>';
	t = t + '</div>';
	t = t + '<div class="bl1" style="padding-bottom:14px;">';
	t = t + '<div class="flmed">';
	t = t + '<div class="fl">' + GetGL('fdt' + n,'Departing:') + '<br/>' + GetGI('fdt' + n,d3,'small','',' onblur="Rem(this);" onclick="event.cancelBubble=true;SC(this);" onfocus="SC(this);"','12') + '</div>';
	t = t + '<div class="fr">' + GetGL('ftt' + n,'Time:') + '<br/>' + GetDD('ftt' + n,arrT1,d4,'small','',' onfocus="HCal();" onchange="Rem(this);"') + '</div>';
	t = t + '</div>';
	t = t + '</div>';
    t = t + '<div class="clearer"></div>';
    return t;
}

function GetAOHTML()
{
    tl = 'More info';
    ti = 'No preference search';
    te = 'A no preference search covers those airlines to which Expedia has access, which is most airlines. The flights displayed are those for which Expedia	was able to confirm availability. By searching for flights on more than just one airline, you may be able to find additional choices and possibly even lower prices.';
	sb.Reset();
    var s = 'margin-left:-1px;';
    if(document.all){s = 'margin-left:-4px;'};
	sb.Concat('<div class="bl2">Low fare note: To increase your chances of finding low fares, leave the following unchecked.</div>');
	sb.Concat('<div class="bl1" style="padding-bottom:0px;padding-top:5px;">' + GetCB('nos','','Direct flights only',bNS,'',s,' onchange="Rem(this);"') + '</div>');
	sb.Concat('<div class="bl1" style="padding-bottom:12px;">' + GetCB('chp','','Refundable flights only',bCP,'',s,' onchange="Rem(this);"') + '</div>');
	sb.Concat('<div class="bl3">');
	sb.Concat('<div class="flmed">' + GetGL('aln','Airline:') + '<br/>' + GetALDD('aln',arrAL,Airline,'','',' onchange="Rem(this);"') + '</div>');
	sb.Concat('<div class="frmed">' + GetGL('acl','Class:') + '<br/>' + GetDD('acl',arrAC,Class,'','',' onchange="Rem(this);"') + '</div>');
	sb.Concat('</div><div class="clearer"></div>');
    sb.Concat('<div style="padding-top:4px;vertical-align:top;">' + GetTT(tl,ti,te,250,'','',true) + '</div>');
    sb.Concat('<div class="clearer"></div>');
	return sb.GetValue();
}

function GetDefaultF(E)
{
	var t = '';
	switch (E)
	{
		case 'FCity':for (var i = minD; i < (maxD + 1); i++){t = t + ',';}break;
		case 'TCity':for (var i = minD; i < (maxD + 1); i++){t = t + ',';}break;
		case 'FDate':for (var i = minD; i < (maxD + 1); i++){t = t + 'dd/mm/yyyy,';}break;
		case 'FTime':for (var i = minD; i < (maxD + 1); i++){t = t + '362,';}break;
	}
	return t.substr(0,t.length-1);
}

function SetST(id)
{
    switch (id)
    {
        case '1':SText = 'Search for flights';break;
        case '4':SText = 'Search for flights + hotels';break;
        case '5':SText = 'Search for flights + hotels + cars';break;
        case '7':SText = 'Search for flights + cars';break;
    }
    SetSTG();
}

function Rem(el)
{
	RemG(el);
	var n = el.id.substr(3);
	if(n == ''){n = 1;}
	switch (el.id.substr(0,3))
	{
		case 'fcy':aFCity[n - 1] = el.value;DE('aFCity').value = aFCity.join('|');FCity = aFCity[0];DE('FCity').value = FCity;FTLA = FCity.toUpperCase();DE('FTLA').value = FTLA;break;
		case 'tcy':aTCity[n - 1] = el.value;DE('aTCity').value = aTCity.join('|');TCity = aTCity[0];DE('TCity').value = TCity;TTLA = TCity.toUpperCase();DE('TTLA').value = TTLA;break;
		case 'fdt':aFDate[n - 1] = el.value;DE('aFDate').value = aFDate.join('|');FDate = aFDate[0];DE('FDate').value = FDate;break;
		case 'ftt':aFTime[n - 1] = el.value;DE('aFTime').value = aFTime.join('|');FTime = aFTime[0];DE('FTime').value = FTime;break;
		
		case 'fct':aFCity[0] = el.options[el.selectedIndex].text;DE('aFCity').value = aFCity.join('|');FCity = aFCity[0];DE('FCity').value = FCity;break;
		case 'tct':aTCity[0] = el.options[el.selectedIndex].text;DE('aTCity').value = aTCity.join('|');TCity = aTCity[0];DE('TCity').value = TCity;break;
		
		case 'aln':Airline = el.value;DE('Airline').value = Airline;break;
		case 'acl':Class = el.value;DE('Class').value = Class;break;
		case 'nos':if(el.checked){bNS = '1';}else{bNS = '0';}DE('bNS').value = bNS;break;
		case 'chp':if(el.checked){bCP = '1';}else{bCP = '0';}DE('bCP').value = bCP;break;
	}
}

function GetSavedValues()
{
	GetSavedValuesG();
	var v;
	v = DE('aFCity').value;if (v != '') {aFCity = v.split('|');}aFCity[0] = FCity;
	v = DE('aTCity').value;if (v != '') {aTCity = v.split('|');}aTCity[0] = TCity;
	v = DE('aFDate').value;if (v != '') {aFDate = v.split('|');}aFDate[0] = FDate;
	v = DE('aFTime').value;if (v != '') {aFTime = v.split('|');}aFTime[0] = FTime;

	v = DE('Airline').value;if (v != '') {Airline = v;}
	v = DE('Class').value;if (v != '') {Class = v;}
	v = DE('bNS').value;if (v != '') {bNS = v;}
	v = DE('bCP').value;if (v != '') {bCP = v;}
}