// ***********************************************
// code to be included to display the 'wanna book a flight' widget
// files required:
// - vamain.css
// - GlobalScriptFile.js
// - 
// ***********************************************

/** Checking trip type and setting value according to it in different filed and drop down start here **/
function tripAndPageType() {
	
	var qs = new Querystring();
	//var v1 = qs2.get("tripType")
	
	var departingDate = '';
	var returningDate = '';
	
	var displayType=qs.get("displayType");
	var tripType=qs.get("tripType");
	var origin=qs.get("origin");
	var destination=qs.get("destination");
	var originMC=qs.get("originMC");
	var destinationMC=qs.get("destinationMC");
	departingDate=qs.get("depDate");
	returningDate=qs.get("retDate");
	var adults=qs.get("adults");
	var child=qs.get("child");
	
	if(tripType=='undefined' || tripType==undefined) {
		tripType='';
	}
	if(origin=='undefined' || origin==undefined) {
		origin='';
	}
	if(destination=='undefined' || destination==undefined) {
		destination='';
	}
	if(originMC=='undefined' || originMC==undefined) {
		originMC='';
	}
	if(destinationMC=='undefined' || destinationMC==undefined) {
		destinationMC='';
	}
	
	if(departingDate=='undefined' || departingDate==undefined) {
		departingDate='';
	}
	if(returningDate=='undefined' || returningDate==undefined) {
		returningDate='';
	}
	if(adults=='undefined' || adults==undefined) {
		adults='';
	}
	if(child=='undefined' || child==undefined) {
		child='';
	}
	
	if(displayType=='') {
		document.seachFlightForm.elements["fareFormatType"].value='Dollars';
	} else {
		document.seachFlightForm.elements["fareFormatType"].value=displayType;
		myFormElem = document.seachFlightForm.elements["fareFormatType"];
		if(myFormElem[0].value==displayType) {
			myFormElem[0].checked=true;
		} else if(myFormElem[1].value==displayType) {
			myFormElem[1].checked=true;
		}
	}
	if(origin==''){
		document.seachFlightForm.elements["origin"].value='';
		document.seachFlightForm.elements["origin"].options[0].selected = true;
	}else{
		document.seachFlightForm.elements["origin"].value=origin;
		myFormElem = document.getElementById("origin"); 
		for(var i = 0; i < myFormElem.options.length; i++) { 
			if(myFormElem.options[i].value == origin){ 
				myFormElem.options[i].selected = true;
				if(destination=='') {
					redirect(i);
				}
			} 
		}
	}
	if(destination==''){
		document.seachFlightForm.elements["destination"].value='';
		document.seachFlightForm.elements["destination"].options[0].selected = true;
	}else{
		document.seachFlightForm.elements["destination"].value=destination;
		myFormElem = document.getElementById("destination"); 
		for(var i = 0; i < myFormElem.options.length; i++) { 
			if(myFormElem.options[i].value == destination){ 
				myFormElem.options[i].selected = true;
			} 
		}
	}
	if(originMC==''){
		document.seachFlightForm.elements["originMC"].value='';
		document.seachFlightForm.elements["originMC"].options[0].selected = true;
	}else{
		document.seachFlightForm.elements["originMC"].value=originMC;
		myFormElem = document.getElementById("originMC"); 
		for(var i = 0; i < myFormElem.options.length; i++) { 
			if(myFormElem.options[i].value == originMC){ 
				myFormElem.options[i].selected = true;
				if(destinationMC=='') {
					redirectMC(i);
				}
			} 
		}
	}
	if(destinationMC==''){
		document.seachFlightForm.elements["destinationMC"].value='';
		document.seachFlightForm.elements["destinationMC"].options[0].selected = true;
	}else{
		document.seachFlightForm.elements["destinationMC"].value=destinationMC;
		myFormElem = document.getElementById("destinationMC"); 
		for(var i = 0; i < myFormElem.options.length; i++) { 
			if(myFormElem.options[i].value == destinationMC){ 
				myFormElem.options[i].selected = true;
			} 
		}
	}
	if(departingDate==''){
		document.seachFlightForm.elements["departingDate"].value=(new Date().getMonth()+1)+"/"+new Date().getDate()+"/"+new Date().getFullYear();
	}else{
		document.seachFlightForm.elements["departingDate"].value=departingDate;
	}
	if(returningDate==''){
		document.seachFlightForm.elements["returningDate"].value=(new Date().getMonth()+1)+"/"+new Date().getDate()+"/"+new Date().getFullYear();
	}else{
		document.seachFlightForm.elements["returningDate"].value=returningDate;
	}
	if(adults==''){
		document.seachFlightForm.elements["Adults"].value='1';
		document.seachFlightForm.elements["Adults"].options[0].selected = true;
	}else{
		document.seachFlightForm.elements["Adults"].value=adults;
		myFormElem = document.getElementById("Adults");
		for(var i = 0; i < myFormElem.options.length; i++) { 
			if(myFormElem.options[i].value == adults){ 
				myFormElem.options[i].selected = true;
			} 
		}
	}
	if(child==''){
		document.seachFlightForm.elements["Children"].value='0';
		document.seachFlightForm.elements["Children"].options[0].selected = true;
	}else{
		document.seachFlightForm.elements["Children"].value=child;
		myFormElem = document.getElementById("Children");
		for(var i = 0; i < myFormElem.options.length; i++) { 
			if(myFormElem.options[i].value == child){ 
				myFormElem.options[i].selected = true;
			} 
		}
	}
	if(tripType==''){
		document.seachFlightForm.elements["tripType"].value='ow';
		document.seachFlightForm.elements["tripType"].options[0].selected = true;
		showTripDetails(0);
	}else{
		document.seachFlightForm.elements["tripType"].value=tripType;
		myFormElem = document.getElementById("tripType"); 
		for(var i = 0; i < myFormElem.options.length; i++) { 
			if(myFormElem.options[i].value == tripType){ 
				myFormElem.options[i].selected = true;
			} 
		}
	}
	
	if(tripType=='ow'){
		showTripDetails(0);
	}
	if(tripType=='rt'){
		showTripDetails(1);
	}
	if(tripType=='mc'){
		showTripDetails(2);
	}
	
}

// default variable set
var fixedConfiguratedDate="03/31/2010";
var subFlag ="";
var onLoadSubFlag="";
var ORIOption=new Option("","From:");
var DESOption=new Option("","To:");
var BOSOption=new Option("BOS","Boston, MA(BOS)");
var FLLOption=new Option("FLL","Fort Lauderdale, FL(FLL)");
var LASOption=new Option("LAS","Las Vegas, NV(LAS)");
var SNAOption=new Option("SNA","Orange County, CA(SNA)");
var LAXOption=new Option("LAX","Los Angeles, CA(LAX)");
var JFKOption=new Option("JFK","New York, NY(JFK)");
var MCOOption=new Option("MCO","Orlando, FL(MCO)");
var SANOption=new Option("SAN","San Diego, CA(SAN)");
var SFOOption=new Option("SFO","San Francisco, CA(SFO)");
var SEAOption=new Option("SEA","Seattle, WA(SEA)");
var IADOption=new Option("IAD","Washington, DC(IAD)");

var group=new Array(14);
//for (i=0; i<7; i++)
//	group[i]=new Array();
group[0]=new Array(ORIOption);
group[1]=new Array(LASOption,LAXOption,SNAOption,SFOOption,SEAOption); 
group[2]=new Array(LASOption,LAXOption,SNAOption,SFOOption,SEAOption); 
group[3]=new Array(BOSOption,FLLOption,JFKOption,SFOOption,SEAOption,IADOption); 
group[4]=new Array(BOSOption,FLLOption,JFKOption,MCOOption,SFOOption,SEAOption,IADOption); 
group[5]=new Array(LASOption,FLLOption,LAXOption,SNAOption,SFOOption,SEAOption); 
group[6]=new Array(LASOption,LAXOption,SFOOption,SEAOption,IADOption);
group[7]=new Array(LAXOption,SANOption,SFOOption,SEAOption); //mco
group[8]=new Array(BOSOption,FLLOption,JFKOption,MCOOption,SFOOption,SEAOption,IADOption);
group[9]=new Array(BOSOption,FLLOption,LASOption,LAXOption,JFKOption,SNAOption,MCOOption,SANOption,SEAOption,IADOption);
group[10]=new Array(BOSOption,FLLOption,LASOption,LAXOption,JFKOption,SNAOption,MCOOption,SANOption,SFOOption); 
group[11]=new Array(LASOption,LAXOption,SNAOption,SANOption,SFOOption,SEAOption);
group[12]=new Array(ORIOption,BOSOption,FLLOption,LASOption,LAXOption,JFKOption,SNAOption,MCOOption,SANOption,SEAOption,IADOption); 
group[13]=new Array(DESOption,BOSOption,FLLOption,LASOption,LAXOption,JFKOption,SNAOption,MCOOption,SANOption,SEAOption,IADOption);

var tempD1=document.seachFlightForm.elements["origin"];
var temp1=document.seachFlightForm.elements["destination"];
var tempMC1=document.seachFlightForm.elements["destinationMC"];

function showTripDetails(tripTp){

	if(tripTp=="0"){

		document.getElementById('returningDIV').style.display="none";
		document.getElementById('multicityDIVhdr').style.display="none";
		document.getElementById('multicityDIV').style.display="none";

	}

	else if(tripTp=="1"){

		document.getElementById('returningDIV').style.display="block";
		document.getElementById('multicityDIVhdr').style.display="none";
		document.getElementById('multicityDIV').style.display="none";

	}

	else if(tripTp=="2"){

		document.getElementById('returningDIV').style.display="block";
		document.getElementById('multicityDIVhdr').style.display="block";
		document.getElementById('multicityDIV').style.display="block";

	}

}

function redirect(x,val){

	var selVal=val;
	var salValueFlg=0;
	
	if(x == '') {
		x = 12;
	}
	
	if(x!="0"){
		for (m=temp1.options.length-1;m>0;m--) {
			temp1.options[m]=null;	
		}
	
		for (i=0;i<group[x].length;i++){	
			temp1.options[i]=new Option(group[x][i].value,group[x][i].text);
			if(group[x][i].value==selVal){
				salValueFlg=i;
			}
		}
	
		temp1.options[salValueFlg].selected=true;
		/*Added by Hemant for Combo box colors end */

	}
	
}

function redirectMC(x,val){

	var selValMC=val;
	var salValueFlgMC=0;
	
	if(x == '') {
		x = 12;
	}
	
	if(x!="0"){
		for (m=tempMC1.options.length-1;m>0;m--) {
			tempMC1.options[m]=null;
		}
	
		for (i=0;i<group[x].length;i++){
			tempMC1.options[i]=new Option(group[x][i].value,group[x][i].text);
			if(group[x][i].value==selValMC){
				salValueFlgMC=i;
			}
		}
	
		tempMC1.options[salValueFlgMC].selected=true;
	
	}
}

// Date Validations
/*** DHTML date validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/) */
// Declaring valid date character, minimum year and maximum year

var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){

	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
    
}



function stripCharsInBag(s, bag){

	var i;
    var returnString = "";

    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.

    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;

}



function daysInFebruary (year){

	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );

}

function DaysArray(n) {

	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 

   return this

}



function isDate(dtStr){

	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strMonth=dtStr.substring(0,pos1)
	var strDay=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)

	strYr=strYear

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

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

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

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

	}

	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)

	if (pos1==-1 || pos2==-1){

		alert("The date format should be : mm/dd/yyyy")
		return false

	}

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

		alert("Please enter a valid month")
		return false

	}

	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){

		alert("Please enter a valid day")
		return false

	}

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

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

	}

	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){

		alert("Please enter a valid date")
		return false

	}

	var dateEnter=new Date(year,month-1,day);
	var currentDate = new Date();

	return true

}



function ValidateForm(){

	var dateDeparting=document.seachFlightForm.departingDate
	var dateReturning=document.seachFlightForm.returningDate
	var tripType=document.seachFlightForm.tripType

	if (isDate(dateDeparting.value)==false){
		dateDeparting.focus()
	} else if(tripType.value!='ow') {

		if (isDate(dateReturning.value)==false){
			dateReturning.focus()
		} else {
	
	    	document.seachFlightForm.action="http://www.virginamerica.com/va/searchflights.do";
			document.seachFlightForm.submit();
	
		}

	} else {

    	document.seachFlightForm.action="http://www.virginamerica.com/va/searchflights.do";
		document.seachFlightForm.submit();

    }
 }
 
tripAndPageType();