INTERISLAND_STAY_DAYS = 1;
INBOUND_STAY_DAYS = 7;
OUTBOUND_STAY_DAYS = 7;
MAINLAND_STAY_DAYS = 7;
INTERNATIONAL_STAY_DAYS = 7;
INTERNATIONAL_DESTINATION = "domestic";
    //setup display hotels
    function displayHotels(destinationIdx, resKey) {
        document.TravelRequestForm.submitAction.value= "dsplHtls";
        document.TravelRequestForm.action = replaceActionName(document.TravelRequestForm.action, "DisplayHotels.do");
        document.TravelRequestForm.dtIdx.value = destinationIdx;
        document.TravelRequestForm.dtRes.value = resKey;
        document.TravelRequestForm.submit(); }
    //setup display cars
    function displayCars(destinationIdx, resKey) {
        document.TravelRequestForm.action = replaceActionName(document.TravelRequestForm.action, "DisplayCars.do");
        document.TravelRequestForm.submitAction.value= "dsplCars";
        document.TravelRequestForm.dtIdx.value = destinationIdx;
        document.TravelRequestForm.dtRes.value = resKey;
        document.TravelRequestForm.submit(); }
    //setup display flights
    function displayFlights() {
        document.TravelRequestForm.action = replaceActionName(document.TravelRequestForm.action, "DisplayFlights.do");
        document.TravelRequestForm.submitAction.value="dsplFlts";
        document.TravelRequestForm.submit(); }
    //select room - display flights
    function selectRoomDisplayFlights(destinationIdx, resKey) {
        document.TravelRequestForm.action = replaceActionName(document.TravelRequestForm.action, "DisplayFlights.do");
        document.TravelRequestForm.submitAction.value="1";
        document.TravelRequestForm.selectedRoom.value = resKey;
        document.TravelRequestForm.submit();}
    //update - selected car
    function updateCar(destinationIdx, resKey) {
        document.TravelRequestForm.action = replaceActionName(document.TravelRequestForm.action, "SelectCar.do");
        document.TravelRequestForm.submitAction.value = "SelectCar";
        document.TravelRequestForm.dtIdx.value = destinationIdx;
        document.TravelRequestForm.dtRes.value = resKey;
        document.TravelRequestForm.submit();}
    //select flight
    function selectFlight(idx, resKey) {
        document.TravelRequestForm.action = replaceActionName(document.TravelRequestForm.action, "SelectFlight.do");
        document.TravelRequestForm.dtIdx.value = idx;
        switch (idx) {
            case 0: document.TravelRequestForm.selectedFlight0.value = resKey; break;
            case 1: document.TravelRequestForm.selectedFlight1.value = resKey; break;
            case 2: document.TravelRequestForm.selectedFlight2.value = resKey; break;
            case 3: document.TravelRequestForm.selectedFlight3.value = resKey; break;
            case 4: document.TravelRequestForm.selectedFlight4.value = resKey; break;
            case 5: document.TravelRequestForm.selectedFlight5.value = resKey; break;
            default: }
        document.TravelRequestForm.submit(); }
    //select hotel
    function selectHotel(destinationIdx, resKey)  {
        //when select a hotel in UDSell in Hotel Info page, keep the action
        if (document.TravelRequestForm.action.indexOf("HotelInfo.do") < 0) {
            document.TravelRequestForm.action = replaceActionName(document.TravelRequestForm.action, "SelectHotel.do");
        } else {
            document.TravelRequestForm.submitAction.value = 6;  //HotelInfoAction.ACTION_SELECT_UD_HOTEL
        }
        document.TravelRequestForm.dtIdx.value = destinationIdx;
        document.TravelRequestForm.dtRes.value = resKey;
        document.TravelRequestForm.submit(); }

    //setup process insurance
    function processInsurance() {  document.forms[0].submitAction.value="processInsurance"; document.forms[0].submit(); }
    //show hotel info page
    function showHotel(dtIdx, roomId, submitAction) {
        //var strOpen="HotelInfo.do?roomId="+roomId+ "&dtIdx=" + dtIdx;
        //set the navigation id as 1 by default, which is overview
        document.TravelRequestForm.action =
        replaceActionName(document.TravelRequestForm.action, "HotelInfo.do");
        document.TravelRequestForm.dtIdx.value=dtIdx;
        document.TravelRequestForm.dtRes.value=roomId;
        if (document.TravelRequestForm.selectedRoom != null) { document.TravelRequestForm.selectedRoom.value = roomId; }
        document.TravelRequestForm.submitAction.value= submitAction;
        document.TravelRequestForm.submit(); }

    //this function is used when user selects a different hotel set (different set of packages) on availability page
    //or select hotel page.
    function moreHotelOptionsSegmentIdx(idx, selectOptionIndex) {
        if (document.TravelRequestForm.action.indexOf("SelectHotel.do") >= 0) {
            document.TravelRequestForm.action = replaceActionName(document.TravelRequestForm.action, "DisplayHotels.do");}
        document.TravelRequestForm.submitAction.value="moreHotelOptions";
        document.TravelRequestForm.dtIdx.value = idx;
        //unlike flights, hotels display one destination
        document.TravelRequestForm.stIdx0.value = selectOptionIndex;
        document.TravelRequestForm.submit();}
    //retrieve the terms for display in new window
    function showTerm(url,title,w,h,features) {
        if (window.checkG2HPageTimeOut && checkG2HPageTimeOut()) {
            return;
        } else if (window.startG2HPageTimeOut){
            startG2HPageTimeOut();}
        var win1 = 0;
        var wint = 0;
        if(screen.width) {
            winl = (screen.width-w)/2;
            wint = (screen.height-h)/2;
        }

        if (winl < 0)
            winl = 0;
        if (wint < 0)
            wint = 0;
        var settings = 'height=' + h + ',';
        settings += 'width=' + w + ',';
        settings += 'top=' + wint + ',';
        settings += 'left=' + winl + ',';
        settings += features;
        win = window.open(url,'title',settings);}

    //display voucher on Confirmation.jsp
    function displayVoucher(voucherCode, localeCode) {
        if (window.checkG2HPageTimeOut && checkG2HPageTimeOut()){
            return;
        } else if (window.startG2HPageTimeOut){
            startG2HPageTimeOut();
        }
        var w = 600;
        var h = 550;
        if(screen.width){
            var winl = (screen.width-w)/2;
            var wint = (screen.height-h)/2;
        } else { winl = 0; wint = 0; }
        if (winl < 0) winl = 0;
        if (wint < 0) wint = 0;
        var settings = 'height=' + h + ',';
        settings += 'width=' + w + ',';
        settings += 'top=' + wint + ',';
        settings += 'left=' + winl + ',';
        settings += 'scrollbars=yes,';
        settings += 'resizable=yes';
        var strOpen="ActivityVoucher.jsp?voucherCode=" + voucherCode;
        if (localeCode != "") { strOpen += "&lang=" + localeCode;}
        hotelWindow = window.open(strOpen,"replace",settings);
    }
    //filter hotels by view/area, used in SelectHotel
    function viewByHotels() {
        document.TravelRequestForm.submitAction.value = "viewByHotels";
        document.TravelRequestForm.action = replaceActionName(document.TravelRequestForm.action, "DisplayHotels.do");
        document.TravelRequestForm.submit();}
    //general javascript
    function replaceActionName(oldName, newName) {
        var name = oldName.substring(0, oldName.lastIndexOf('/') + 1);
        name += newName;
        return name;}

    function MM_findObj(n, d) { //v4.0
        var p,i,x;
        if(!d) d=document;
        if((p=n.indexOf("?"))>0&&parent.frames.length) {
            d=parent.frames[n.substring(p+1)].document;
            n=n.substring(0,p);}

        if(!(x=d[n])&&d.all) x=d.all[n];
        for (i=0;!x&&i<d.forms.length;i++)
            x=d.forms[i][n];

        for(i=0;!x&&d.layers&&i<d.layers.length;i++)
            x=MM_findObj(n,d.layers[i].document);

        if(!x && document.getElementById)
            x=document.getElementById(n);
        return x;
    }

    function MM_showHideLayers() { //v3.0
        var i,p,v,obj,args=MM_showHideLayers.arguments;

        for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];

        if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
            obj.visibility=v; }
        }

    function getObj(objID) {
        if (document.getElementById){
            return document.getElementById(objID);
        }
        else if (document.all){
            //old msie versions work
            return document.all[objID];
        }
        else if (document.layers){
            //nn4 woks
            return document.layers[objID];
        }
    }
    function expandCar(show, showArray, hideArray) {
        var i;
        var j;
        if (show) {
            for (i = 0; i < showArray.length; i++){
                for (j=0; j<showArray[i].length; j++) {
                    var o = getObj(showArray[i][j]);
                    if (o!=null)
                        o.style.display = "block";
                }
            }
            for (i = 0; i < hideArray.length; i++){
                for (j=0; j<hideArray[i].length; j++) {
                    var o = getObj(hideArray[i][j]);
                    if (o!=null)
                        o.style.display = "none";
                 }
            }
        }else {
            for (i = 0; i < showArray.length; i++){
                for (j=0; j<showArray[i].length; j++) {
                    var o = getObj(showArray[i][j]);
                    if (o!=null)
                        o.style.display = "none";
                }
            }

            for (i = 0; i < hideArray.length; i++){
                for (j=0; j<hideArray[i].length; j++) {
                    var o = getObj(hideArray[i][j]);
                    if (o!=null)
                        o.style.display = "block";
                }
            }
        }
    } // function expandCar
    function expandHeader(show, showH, hideH) {
        if (show) {
            var o = getObj(showH);
            if (o!=null)
                o.style.display = "block";
            var h = getObj(hideH);
            if (h!=null)
                h.style.display = "none";
        }else {
            var o = getObj(showH);
            if (o!=null)
                o.style.display = "none";
            var h = getObj(hideH);
            if (h!=null)
                h.style.display = "block";
        }
    } // function expandHeader

    function carExpand(switchC, switchE, headerC, headerE,expArray, colArray) {
        MM_showHideLayers(switchC,'','hide');
        MM_showHideLayers(switchE,'','show');
        expandHeader(true, headerE, headerC);
        expandCar(true, expArray, colArray);
    } // function carExpand
    function carCollapse(switchC, switchE, headerC, headerE, expArray, colArray)  {
        MM_showHideLayers(switchC,'','show');
        MM_showHideLayers(switchE,'','hide');
        expandHeader(false, headerE, headerC);
        expandCar(false,expArray, colArray);
    }
    function showDetailHotels() {
        document.TravelRequestForm.submitAction.value="showDetailHotels";
        document.TravelRequestForm.submit();
    }
    //setup to return user appropriately
    function returnBack(returnAvailabilityPage) {
        if (returnAvailabilityPage) {
            document.TravelRequestForm.submitAction.value="showDetailHotels";
        }else {
            document.TravelRequestForm.action = replaceActionName(document.TravelRequestForm.action, "ReturnItinerary.do");
        }
        document.TravelRequestForm.submit();
    }
    function MM_displayLayers() { //v3.0
        var i,p,v,obj,args=MM_displayLayers.arguments;
        for (i=0; i<(args.length-2); i+=3)
            if ((obj=MM_findObj(args[i]))!=null) {
            d=args[i+2];
        if (obj.style) {
            obj=obj.style;
        }
            obj.display=d;
        }
    }

    function MM_checkBrowser(NSvers,NSpass,NSnoPass,IEvers,IEpass,IEnoPass,OBpass,URL,altURL) { //v4.0
      var newURL='', verStr=navigator.appVersion, app=navigator.appName, version = parseFloat(verStr);
      if (app.indexOf('Netscape') != -1) {
        if (version >= NSvers) {if (NSpass>0) newURL=(NSpass==1)?URL:altURL;}
        else {if (NSnoPass>0) newURL=(NSnoPass==1)?URL:altURL;}
      } else if (app.indexOf('Microsoft') != -1) {
        if (version >= IEvers || verStr.indexOf(IEvers) != -1)
         {if (IEpass>0) newURL=(IEpass==1)?URL:altURL;}
        else {if (IEnoPass>0) newURL=(IEnoPass==1)?URL:altURL;}
      } else if (OBpass>0) newURL=(OBpass==1)?URL:altURL;
      if (newURL) { window.location=unescape(newURL); document.MM_returnValue=false; }
    }



    function MM_reloadPage(init) {  //reloads the window if Nav4 resized
        if (init==true) with (navigator) {
            if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
                document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage;
            }
        }
        else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH)
            location.reload();
    }
    MM_reloadPage(true);

    function MM_findObj(n, d) { //v4.0
        var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {

        d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}

        if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];

        for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);

        if(!x && document.getElementById) x=document.getElementById(n); return x;

    }
    function MM_openBrWindow(theURL,winName,features) { //v2.0
        window.open(theURL,winName,features);}        
    function MM_showHideLayers() { //v3.0
        var i,p,v,obj,args=MM_showHideLayers.arguments;

        for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];

        if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }

            obj.visibility=v; } }
	function displayLayers() {

            var i, p, v, obj, args = displayLayers.arguments;

        for(i = 0; i < (args.length - 2); i += 3)
            if ((obj = MM_findObj(args[i])) != null) {
            v = args[i+2];

            if(obj.style) {
                obj = obj.style;
                v = (v == 'show') ? 'block' : (v = 'hide') ? 'none' : v;
            }

            obj.display=v;
        }
    }

    function newWindow(url,title,w,h,features) {
        if(screen.width){
            var winl = (screen.width-w)/2;
            var wint = (screen.height-h)/2;
        }
        else {
            winl = 0;
            wint =0;
        }

        if (winl < 0)
            winl = 0;
        if (wint < 0)
            wint = 0;
        var settings = 'height=' + h + ',';
        settings += 'width=' + w + ',';
        settings += 'top=' + wint + ',';
        settings += 'left=' + winl + ',';
        settings += features;
        win = window.open(url,'title',settings);
    }
    function changeto(highlightcolor){
        source=event.srcElement
        if (source.tagName=="TR"||source.tagName=="TABLE")
            return
        while(source.tagName!="TABLE")
            source=source.parentElement
        if (source.style.backgroundColor!=highlightcolor&&source.id!="ignore")
            source.style.backgroundColor=highlightcolor
    }
    function changeback(originalcolor){
        if (event.fromElement.contains(event.toElement)||source.contains(event.toElement)||source.id=="ignore")
            return
        if (event.toElement!=source)
            source.style.backgroundColor=originalcolor

    }
    //Return true if air is included, false otherwise
    function includesAir() {
        var value = "";
        for (var i = 0; i < document.TravelRequestForm.typeOfPackage.length; i++) {
            if (document.TravelRequestForm.typeOfPackage[i].checked == "1") {
                value = document.TravelRequestForm.typeOfPackage[i].value;
            }
        }
        if(value == "HOTEL-ONLY" || value == "CAR-HOTEL" || value == "CAR-ONLY" || value == "") {
            return false;
        }
        return true;
    }
    //Return true if a hotel is included, false otherwise
    function includesHotel() {
        var value = "";
        for (var i = 0; i < document.TravelRequestForm.typeOfPackage.length; i++) {
            if (document.TravelRequestForm.typeOfPackage[i].checked == "1") {
                value = document.TravelRequestForm.typeOfPackage[i].value;
            }
        }

        if(value == "AIR-ONLY" || value == "AIR-CAR" || value == "CAR-ONLY" || value == "") {
            return false;
        }
        return true;
    }
    //Remove all but numbers
    function cleanNumber(strNum) {
        var temp = strNum.replace(/[^\d]/g,'');
        return temp;
    }
    //Determine is str is numeric
    function isNumeric(strString) {
        var strValidChars = "0123456789.-";
        var strChar;
        if (strString.length == 0)
            return false;
        for (i = 0; i < strString.length; i++) {
            strChar = strString.charAt(i);
            if (strValidChars.indexOf(strChar) == -1) {
                return false;
            }
        }
        return true;
    }
    function checkDecimal(num) {
        var index = num.indexOf(".") - 0;
        if(index != -1) {
            var temp = num.substring(index + 1);
            if(temp.length > 2) {
                return false;
            }
        }
        return true;
    }
    //Return true if src is in the right email address format
    function validateEmailAddressFormat(src) {
        var regex = /^[a-zA-Z0-9._-]+@([a-zA-Z0-9.-]+\.)+[a-zA-Z0-9.-]{2,4}$/;
        return regex.test(src);
    }
    // This function is called when the submit image or link is clicked. The validations done here should
    // really be done in supporting Java code, but in the interest of time we added them here.
    function submitForm() {
        //The following fields are not always available in all departure pages
        if (document.TravelRequestForm.submitAction) document.TravelRequestForm.submitAction.value="";
        if (document.TravelRequestForm.currentDestination) document.TravelRequestForm.currentDestination.value=0;
        if (document.TravelRequestForm.currentComponent) document.TravelRequestForm.currentComponent.value="";
            validateAndSubmit();
    }
    //Return true is package is car only, false otherwise
    function isCarOnlyPackage() {
        var value = "";
        for (var i = 0; i < document.TravelRequestForm.typeOfPackage.length; i++) {
            if (document.TravelRequestForm.typeOfPackage[i].checked == "1") {
                value = document.TravelRequestForm.typeOfPackage[i].value;
            }
        }

        if(value == "CAR-ONLY" ) {
            return true;
        }
        return false;
    }


    //Determine if airport note should be displayed
    //Return true if airport is (JHM island airport), false otherwise
    function showAirportNote() {
        var toDisplay = false;
        if((document.TravelRequestForm.from0.type == "select-one") && (document.TravelRequestForm.to0.type == "select-one")) {
            if (document.TravelRequestForm.from0.options[document.TravelRequestForm.from0.selectedIndex].value == "JHM"
                || document.TravelRequestForm.to0.options[document.TravelRequestForm.to0.selectedIndex].value == "JHM") {
                toDisplay = true;
            }
        }else if((document.TravelRequestForm.from0.type == "text") && (document.TravelRequestForm.to0.type == "select-one")) {
            if(document.TravelRequestForm.to0.options[document.TravelRequestForm.to0.selectedIndex].value == "JHM") {
                toDisplay = true;
            }
        }else if((document.TravelRequestForm.from0.type == "select-one") && (document.TravelRequestForm.to0.type == "text")) {
            if (document.TravelRequestForm.from0.options[document.TravelRequestForm.from0.selectedIndex].value == "JHM") {
                toDisplay = true;
            }
        }
        if(toDisplay) {
            displayLayers('airportNote','','show');
        }else {
            displayLayers('airportNote','','hide');
        }
    }

    //Determine if airport note should be displayed
    //Return true if airport is (JHM), false otherwise
    function showAirportNoteMulti(lastDestination) {
    var toDisplay = false;
    var fromValue, toValue;

    for (var i = 0; i < (lastDestination + 1); i++) {
        toValue = getValueOfSelectObject("to" + i);
        fromValue = getValueOfSelectObject("from"+i);
            if (toValue=="JHM" ||fromValue=="JHM") {
                toDisplay = true;
                break;
            }
        }
        if(toDisplay) {
            displayLayers('airportNote','','show');
        }else {
            displayLayers('airportNote','','hide');
        }
    return toDisplay;
    }

    //Determine if international airport note should be displayed
    //Return true if airport is (PPT, SYD, MNL), false otherwise
    function showInternationalAirportNote() {
        var toDisplayPPT = false;
        var toDisplaySYD = false;
        var toDisplayMNL = false;
        var toDisplayPPG = false;

        //International is always drop-down
        if ( document.TravelRequestForm.to0.options[document.TravelRequestForm.to0.selectedIndex].value == "PPT") {
            toDisplayPPT = true;
        }else if ( document.TravelRequestForm.to0.options[document.TravelRequestForm.to0.selectedIndex].value == "SYD") {
            toDisplaySYD = true;
        }else if ( document.TravelRequestForm.to0.options[document.TravelRequestForm.to0.selectedIndex].value == "MNL") {
            toDisplayMNL = true;
        }else if ( document.TravelRequestForm.to0.options[document.TravelRequestForm.to0.selectedIndex].value == "PPG") {
            toDisplayPPG = true;
        }

        if(toDisplayPPT) {
            displayLayers('airportNotePPT','','show');
        } else {
            displayLayers('airportNotePPT','','hide');
        }
        if(toDisplaySYD) {
            displayLayers('airportNoteSYD','','show');
        } else {
            displayLayers('airportNoteSYD','','hide');
        }
        if(toDisplayPPG) {
            displayLayers('airportNotePPG','','show');
        } else {
            displayLayers('airportNotePPG','','hide');
        }
    }

    //Hide or display child age selection.
    //Excuted when numberOfChildren is changed
    function changeNumberOfChildren(){
        var countChildren = document.TravelRequestForm.numberOfChildren.value;
        var age;
        var hasInfant = false;
        for (var i=0; i< 6; i++){
            if (i < countChildren){
                displayLayers('divchild' + i,'','show');
                age = getValueOfSelectObject("childAge" + i);
                if (age != "" && age == "0" && includesAir() ){
                    displayLayers('divinfant' + i,'','show');
                    hasInfant = true;
                } else {
                    displayLayers('divinfant' + i,'','hide');
                }
            }
            else{
                displayLayers('divchild' + i,'','hide');
                displayLayers('divinfant' + i,'','hide');
            }
        }

        if (countChildren > 0 && hasInfant == true ) {
            displayLayers('infantInLapMsg','','show');
        }else {
            displayLayers('infantInLapMsg','','hide');
        }
    }

    //Hide or display infant seat selection.
    //Excuted when childAge is changed
    function changeChildAge(){
        //infant selection does not apply to non-air
        var countChildren = document.TravelRequestForm.numberOfChildren.value;
        var age;
        var displayInfantMsg = false;
        for (var i=0; i< countChildren; i++){
            age = getValueOfSelectObject("childAge" + i);
            if (age != "" && age == "0" && includesAir() ) {
                displayLayers('divinfant' + i,'','show');
                displayInfantMsg = true;
            }else {
                displayLayers('divinfant' + i,'','hide');
            }
        }

        if (displayInfantMsg == true) {
            displayLayers('infantInLapMsg','','show');
        }else {
            displayLayers('infantInLapMsg','','hide');
        }
    }


    function getValueOfSelectObject(objectName){
        for (var i=0; i<document.TravelRequestForm.elements.length; i++){
            if ( (document.TravelRequestForm.elements[i].name == objectName)
                && (document.TravelRequestForm.elements[i].type == "select-one"))  {

                return document.TravelRequestForm.elements[i].value;
            }
        }
        //not found
        return "";
    }

    function getValueOfRadioObject(objectName){
        for (var i=0; i<document.TravelRequestForm.elements.length; i++){
            if ( (document.TravelRequestForm.elements[i].name == objectName)
                && (document.TravelRequestForm.elements[i].type == "radio")
                && (document.TravelRequestForm.elements[i].checked) )  {
                return document.TravelRequestForm.elements[i].value;
            }
        }
        //not found
        return "";
    }


	//clean phone fields
	//remove any blank strings from fields before validation
	function cleanBlankStrPhoneFields() {
		var phoneFields = new Array('phoneCountry', 'phoneAreaCode', 'phoneNumber',
									 'businessPhoneCountry', 'businessPhoneAreaCode', 'businessPhoneNumber',
									 'faxCountry', 'faxAreaCode', 'faxNumber');
		var fieldObj;
		for (j in phoneFields) {
			fieldObj = eval('document.OrderForm.' + phoneFields[j]);
			cleanBlankStr(fieldObj);
		}
	}

	//
	function cleanBlankStr(field) {
		if ((field != null) && (field != undefined)){
			field.value = trim(field.value);
		}
	}

    function isValidPhoneNumber(strString) {
        var strValidChars = " 0123456789-";
        var strChar;
        if (strString.length == 0)
            return false;
        for (i = 0; i < strString.length; i++) {
            strChar = strString.charAt(i);
            if (strValidChars.indexOf(strChar) == -1) {
                return false;
            }
        }
        return true;
    }

    //valid area code -- 3 digits
    function isValidAreaCode(strString) {
        //strString = cleanNumber(strString); //clean number first
        var strValidChars = "0123456789";
        var strChar;
        if (strString.length != 3)
            return false;
        for (i = 0; i < strString.length; i++) {
            strChar = strString.charAt(i);
            if (strValidChars.indexOf(strChar) == -1) {
                return false;
            }
        }
        return true;
    }

    //valid phone segment -- digits only, clean
    //international
    function isValidAreaPhoneSegIntl(strString) {
        //strString = cleanNumber(strString); //clean number first
        var strValidChars = "0123456789";
        var strChar;
        for (i = 0; i < strString.length; i++) {
            strChar = strString.charAt(i);
            if (strValidChars.indexOf(strChar) == -1) {
                return false;
            }
        }
        return true;
    }

    //valid phone number -- digits only, length > 4
    //international
    function isValidPhoneNumberIntl(strString) {
        var strValidChars = "0123456789-";
        var strChar;
        for (i = 0; i < strString.length; i++) {
            strChar = strString.charAt(i);
            if (strValidChars.indexOf(strChar) == -1) {
                return false;
            }
        }
        //clean number and count
        strString = cleanNumber(strString);
        if (strString.length < 5) return false;
        return true;
    }
    //valid phone number -- 7 digits
    function isValidPhoneNumber2(strString) {
        strString = cleanNumber(strString); //clean number first
        var strValidChars = "0123456789";
        var strChar;
        if (strString.length != 7)
            return false;
        for (i = 0; i < strString.length; i++) {
            strChar = strString.charAt(i);
            if (strValidChars.indexOf(strChar) == -1) { return false; }
        }
        return true;
    }
    //Determine if travel type is one way
    function isOneWay() {
        var value = 2;
        if(document.TravelRequestForm.travelType) {
            for(var i = 0; i < document.TravelRequestForm.travelType.length; i++) {
                if(document.TravelRequestForm.travelType[i].checked == "1") {value = document.TravelRequestForm.travelType[i].value;}
            } }
        if(value == 1) { return true; }
        return false;
    }
    function isMultiCity() {
        var value;
        //some departure page, e.g., non air have no travelType
        if (document.TravelRequestForm.travelType){
            for(var i = 0; i < document.TravelRequestForm.travelType.length; i++) {
                if(document.TravelRequestForm.travelType[i].checked == "1") { value = document.TravelRequestForm.travelType[i].value; }}
         if (value == 3){  return true;
            } else { return false;}
        } else { return false; }
    }
    //Determine if package includes car
    function includesCar() {
        var value = "";
        for(var i = 0; i < document.TravelRequestForm.typeOfPackage.length; i++) {
            if (document.TravelRequestForm.typeOfPackage[i].checked == "1") { value = document.TravelRequestForm.typeOfPackage[i].value;}}
        if(value == "AIR-ONLY" || value == "AIR-HOTEL" || value == "HOTEL-ONLY" || value == "") { return false;}
        return true;
    }

    function getValueOfTextObject(objectName){  return getValueOfTextObjectFromForm(document.TravelRequestForm, objectName);}
    function getValueOfTextObjectFromForm(thisForm, objectName){
        for (var i=0; i<thisForm.elements.length; i++){
           if ( (thisForm.elements[i].name == objectName)
                    && (thisForm.elements[i].type == "text"))  {
                return thisForm.elements[i].value;
            }
        }

        return "";
    }
    function trim(str) { return str.replace(/^\s*|\s*$/g,"");}
    function showMoreOptions() {
        displayLayers('moreOptions','','show');
        if (document.TravelRequestForm.showMoreOptions != null ) {  document.TravelRequestForm.showMoreOptions.value = "show";}}

    //validate the departure date
    function validateDepartureDate() { if(checkdate(document.TravelRequestForm.itineraryStartDate)) { DepartChecker(document.TravelRequestForm.itineraryStartDate, document.TravelRequestForm.itineraryEndDate, '<%=indexObj.getNumberOfNights()%>'); } }
    //validate the return date
    function validateReturnDate() { if(checkdate(document.TravelRequestForm.itineraryEndDate)) { ReturnChecker(document.TravelRequestForm.itineraryStartDate,document.TravelRequestForm.itineraryEndDate);}}
    function getHawaiianIslandByAirportCode(code) {
        if (code == "HNL") { return "Oahu";
        } else if (code == "LIH") { return "Kauai";
        } else if (code == "OGG") { return "Maui";
        } else if (code == "KOA") { return "Hawaii/Big Island";
        } else if (code == "ITO") { return "Hawaii/Big Island";
        } else if (code == "LNY") {return "Lanai";
        } else if (code == "MKK") { return "Molokai";
        } else {
            alert("Please specify an Island/Airport.");
            return ("Not Supported");
        }  }    
    function clickNeedComponent(cbComponent, selectDateDivName, component) {
        if (cbComponent.checked){ displayLayers(selectDateDivName, '', 'show');
        } else {displayLayers(selectDateDivName, '', 'hide');}
        if ("hotel" == component){displayHotelLayers();
        } else if ("car"== component){ displayCarLayers();}}

    function hideDestinations(startDestination) { for (i=startDestination; i<3; i++){ displayLayers('destination' + i, '', 'hide'); }}
    function deselectAllNextOption(destinationNo){
        for (var i=0; i<document.TravelRequestForm.elements.length; i++){
            if ( (document.TravelRequestForm.elements[i].name == ('nextOption' +destinationNo) )
                && (document.TravelRequestForm.elements[i].type == "radio") )  {
                document.TravelRequestForm.elements[i].checked = false;
            }
        }
    }
    function clickNextOption(rbValue, destinationNo, hasCustomDates){
        if (rbValue == "pkg") {
            displayLayers('destination' + (destinationNo + 1), '', 'show');
            hideDestinations(destinationNo + 2);
            displayLayers('returnFlight', '', 'hide');
            document.TravelRequestForm.multiCityPkgLastIdx.value=destinationNo + 1;
        } else if (rbValue == "flight"){
            hideDestinations(destinationNo + 1);
            displayLayers('returnFlight', '', 'show');
            document.TravelRequestForm.multiCityPkgLastIdx.value=destinationNo;
        } else if (rbValue == "end"){
            hideDestinations(destinationNo + 1);
            displayLayers('returnFlight', '', 'hide');
            document.TravelRequestForm.multiCityPkgLastIdx.value=destinationNo;
            if (isCheckBoxSelected("needHotel" + destinationNo) || isCheckBoxSelected("needCar" + destinationNo) ) {
                var cmpMsg;
                var currentComponent;
                var dtMsg;
                if (isCheckBoxSelected("needHotel" + destinationNo)){cmpMsg="hotel"; dtMsg="check-out"; currentComponent="hotel";
                    if (isCheckBoxSelected("needCar" + destinationNo)){ currentComponent="hotelcar"; }
                } else {
                    cmpMsg="car";
                    dtMsg="drop-off";
                    currentComponent="car";
                }
                if (! hasCustomDates) {
                    if (confirm("To end your trip in " + getValueOfSelectObject('to' + destinationNo)
                        + ", please provide your "+ cmpMsg +" "+ dtMsg +" date at this destination." + '\n'
                        + "Click OK to specify the "+ dtMsg + " date at this destination or Cancel to reset your next action for this destination.")){

                        document.TravelRequestForm.submitAction.value="EndTripDates";
                        document.TravelRequestForm.currentDestination.value=destinationNo;
                        document.TravelRequestForm.currentComponent.value=currentComponent;

                        if (validateAndSubmit() == false){deselectAllNextOption(destinationNo);}
                    } else { deselectAllNextOption(destinationNo);}
                } } } }

    function isCheckBoxSelected(objectName){
        for (var i=0; i<document.TravelRequestForm.elements.length; i++){
            if ( (document.TravelRequestForm.elements[i].name == objectName) && (document.TravelRequestForm.elements[i].type == "checkbox") )  { return document.TravelRequestForm.elements[i].checked; }
        }
        //not found
        return false;}
    function displayHotelLayers(){
        displayLayers("hotelRatingLayer", "", "hide");
        displayLayers("hotelRatingLayer1", "", "hide");
        displayLayers("numberOfRoomLayer", "", "hide");
        var lastDestination = document.TravelRequestForm.multiCityPkgLastIdx.value;
        var hasHotel = false;
        for (var i=0; i <lastDestination + 1; i++){
            if (isCheckBoxSelected("needHotel" + i)){
                displayLayers("hotelRatingLayer", "", "show");
                displayLayers("hotelRatingLayer1", "", "show");
                displayLayers("numberOfRoomLayer", "", "show");
                hasHotel = true;
                return;
            }
        }
        if (!hasHotel && document.TravelRequestForm.numberOfRooms) { document.TravelRequestForm.numberOfRooms.value = '1';}
    }
    function displayCarLayers() {
        displayLayers("carCompanyLayer", "", "hide");
        displayLayers("carTypeLayer", "", "hide");
        var lastDestination = document.TravelRequestForm.multiCityPkgLastIdx.value;
        for (var i=0; i <lastDestination + 1; i++){
            if (isCheckBoxSelected("needCar" + i)){ displayLayers("carCompanyLayer", "", "show"); displayLayers("carTypeLayer", "", "show");
                return;
            }
        }
    }
    function isNumber(strString) {
        var strValidChars = "0123456789";
        var strChar;
        if (strString.length == 0)
            return true;
        for (i = 0; i < strString.length; i++) { strChar = strString.charAt(i);
            if (strValidChars.indexOf(strChar) == -1) { return false;}
        }
        return true;
    }
    function selectDifferentDates(destination, component){ document.TravelRequestForm.submitAction.value="SelectDifferentDates"; document.TravelRequestForm.currentDestination.value=destination; document.TravelRequestForm.currentComponent.value=component;validateAndSubmit(); }
    function validateDateRange(dateInput, startDateRangeValue, endDateRangeValue, errorMsg, isStartDate) {
        if(checkdate(dateInput)) { dateDt = new Date(getDateStr(dateInput.value));
            if (isStartDate) {
                if (startDateRangeValue != null && startDateRangeValue != "") {startDateDt= new Date(getDateStr(startDateRangeValue));
                    if (dateDt < startDateDt && endDateRangeValue != null && endDateRangeValue != ""){ alert(errorMsg);
                        return false;
                    } else if(dateDt < startDateDt){ alert(errorMsg );
                        return false;
                    }
                }
            } else {
                if (endDateRangeValue != null && endDateRangeValue != "") {endDateDt= new Date(getDateStr(endDateRangeValue));
                    if(dateDt > endDateDt && startDateRangeValue != null && startDateRangeValue != "") { alert(errorMsg);
                        return false;
                    } else if(dateDt > endDateDt) { alert(errorMsg);
                        return false;
                    }
                }
            }
        }
        return true;
    }
    function changeHasCustomDate(rbFormName, newValue, startDateValue, endDateValue) {
        document.TravelRequestForm.customStartDate.value=startDateValue;
        if (document.TravelRequestForm.customEndDate) {document.TravelRequestForm.customEndDate.value=endDateValue;}
        if (document.TravelRequestForm.customStartTime) { document.TravelRequestForm.customStartTime.value="3:00 PM";}
        if (document.TravelRequestForm.customEndTime) { document.TravelRequestForm.customEndTime.value="3:00 PM";}

        //make radiobutton selected
        for (var i=0; i<document.TravelRequestForm.elements.length; i++){ if ( (document.TravelRequestForm.elements[i].name == rbFormName) && (document.TravelRequestForm.elements[i].type == "radio") && (document.TravelRequestForm.elements[i].value == newValue) )  { document.TravelRequestForm.elements[i].checked = true;
            } } }
    //Determine if package is air only
    function isAirOnlyPackage() {
        var value = "";
        for (var i = 0; i < document.TravelRequestForm.typeOfPackage.length; i++) {
            if (document.TravelRequestForm.typeOfPackage[i].checked == "1") { value = document.TravelRequestForm.typeOfPackage[i].value;}}
            if(value == "AIR-ONLY" ) { return true; }
        return false;
    }
   //Initialize hotel/car links for multicity package
    function initMultiCityPackageDepartureCommon(lastDestinationIdx) {
        for (var i=0; i<= lastDestinationIdx; i++){
            displayLayers('destination' + i, '', 'show');
            if (isCheckBoxSelected("needHotel" + i)){  displayLayers('hotelDatesLinkShow' + i, '', 'show');
            } else { displayLayers('hotelDatesLinkShow' + i, '', 'hide'); }
            if (isCheckBoxSelected("needCar" + i)){  displayLayers('carDatesLinkShow' + i, '', 'show');
            } else {  displayLayers('carDatesLinkShow' + i, '', 'hide');}
        }
        hideDestinations(lastDestinationIdx + 1);
        if ("flight" == getValueOfRadioObject("nextOption" + lastDestinationIdx)){
            displayLayers('returnFlight', '', 'show');
        }
        displayHotelLayers();
        displayCarLayers();
    }
    //Set the multicity return flight default date
    function setMulticityReturnFlightDefaultDate(){
        if (document.TravelRequestForm.returnFlightDefaultDate && document.TravelRequestForm.multiCityPkgLastIdx){
            last = document.TravelRequestForm.multiCityPkgLastIdx.value;
            document.TravelRequestForm.returnFlightDefaultDate.value = getValueOfTextObject("itineraryStartDate" + last);
        } }
    //Shows the seating class note
    function showClassNote() {
        if (document.TravelRequestForm.flightClass.selectedIndex == 1) {
            displayLayers('seatingclass','','show');
        } else {
            displayLayers('seatingclass','','hide');
        } }