function kk_flight_openDepartureDateCalendar() {
if (cal==null) {
cal=new kk_CalendarPopup();
cal.setReturnFunction("kk_flight_setDepDate");
cal.setMonthNames(month1,month2,month3,month4,month5,month6,month7,month8,month9,month10,month11,month12);
cal.setDayHeaders(day1,day2,day3,day4,day5,day6,day7);
cal.setWeekStartDay(1);
cal.setTodayLabel(todayLabel);
}
month=document.searchForm.dmonth.options[document.searchForm.dmonth.selectedIndex].value;
year=document.searchForm.dyear.options[document.searchForm.dyear.selectedIndex].value;
cal.showCalendar('depdate',month,year); 
return false;
}

function kk_flight_openReturnDateCalendar() {
if (cal2==null) {
cal2=new kk_CalendarPopup();
cal2.setReturnFunction("kk_flight_setRetDate");
cal2.setMonthNames(month1,month2,month3,month4,month5,month6,month7,month8,month9,month10,month11,month12);
cal2.setDayHeaders(day1,day2,day3,day4,day5,day6,day7);
cal2.setWeekStartDay(1);
cal2.setTodayLabel(todayLabel);
}
month=document.searchForm.rmonth.options[document.searchForm.rmonth.selectedIndex].value;
year=document.searchForm.ryear.options[document.searchForm.ryear.selectedIndex].value;
cal2.showCalendar('retdate',month,year); 
return false;
}

function kk_flight_cleanTown(fromField) {
if (fromField=="departureSEL"){document.searchForm.departureTEXT.value="";}
if (fromField=="departureTEXT") {
document.searchForm.departureSEL.selectedIndex=0;
document.searchForm.departure.value=document.searchForm.departureTEXT.value;
}
if (fromField=="arrivalSEL") {document.searchForm.arrivalTEXT.value="";}
if (fromField=="arrivalTEXT") {
document.searchForm.arrivalSEL.selectedIndex=0;
document.searchForm.arrival.value=document.searchForm.arrivalTEXT.value
}
}

function kk_flight_currentYear() {
var now=new Date(); 
var year=now.getYear(); 
if(year<999) year+=1900;
return year;
}

function kk_flight_setDepDate(y,m,d) {
var year=kk_flight_currentYear();
document.searchForm.dday.selectedIndex=d-1;
document.searchForm.dmonth.selectedIndex=m-1;
if (y==year) document.searchForm.dyear.selectedIndex=0;
if (y==year+1) document.searchForm.dyear.selectedIndex=1;
kk_flight_setMonth();
kk_flight_setYear();
if (typeof(document.searchForm.wdday)!="undefined") kk_flight_getDepWeekDay(d,m,y);
}

function kk_flight_setRetDate(y,m,d) {
var year=kk_flight_currentYear();
document.searchForm.rday.selectedIndex=d-1;
document.searchForm.rmonth.selectedIndex=m-1;
if (y==year) document.searchForm.ryear.selectedIndex=0;
if (y==year+1) document.searchForm.ryear.selectedIndex=1;
if (typeof(document.searchForm.wrday)!="undefined") kk_flight_getRetWeekDay(d,m,y);
}

function kk_flight_ctrlForm(form) {
if (typeof(form.airline)!="undefined") {
if (form.airlineFormatted != null) {
var airlineName2=form.airline.options[form.airline.selectedIndex].text;
form.airlineFormatted.value=airlineName2;
}
}
var daysinmonthR=[31,28,31,30,31,30,31,31,30,31,30,31];
var daysinmonthD=[31,28,31,30,31,30,31,31,30,31,30,31];
selectedDepDay=form.dday.options[form.dday.selectedIndex].value;
selectedDepMonth=form.dmonth.options[form.dmonth.selectedIndex].value;
selectedDepYear=form.dyear.options[form.dyear.selectedIndex].value;
selectedRetDay=form.rday.options[form.rday.selectedIndex].value;
selectedRetMonth=form.rmonth.options[form.rmonth.selectedIndex].value;
selectedRetYear=form.ryear.options[form.ryear.selectedIndex].value;
selectedDepDate=new Date(selectedDepYear, selectedDepMonth -1, selectedDepDay);
selectedRetDate=new Date(selectedRetYear, selectedRetMonth -1, selectedRetDay);
today=new Date();
if (typeof(form.departureTEXT)!="undefined" ) { selectedDepartureText=form.departureTEXT.value;}
else {selectedDepartureText=form.departure.value;}
if (typeof(form.departureSEL)!="undefined") { selectedDepartureSelect=form.departureSEL.options[form.departureSEL.selectedIndex].value;}
else {selectedDepartureSelect ="I";}
if ((selectedDepartureText==null||selectedDepartureText=="")&&(selectedDepartureSelect != null&&selectedDepartureSelect != "I")) { form.departure.value=selectedDepartureSelect;}
else {
if (form.arrivalTEXT.type!="hidden") {form.departure.value=selectedDepartureText;}
}
if (typeof(form.arrivalTEXT)!="undefined") {selectedArrivalText=form.arrivalTEXT.value;}
else {selectedArrivalText=form.arrival.value;}
if (typeof(form.arrivalSEL)!="undefined") {selectedArrivalSelect=form.arrivalSEL.options[form.arrivalSEL.selectedIndex].value;}
else {selectedArrivalSelect="I";}
if ((selectedArrivalText==null||selectedArrivalText=="")&&(selectedArrivalSelect!=null&&selectedArrivalSelect!="I")) { form.arrival.value=selectedArrivalSelect;}
else {
if (form.arrivalTEXT.type!="hidden") { form.arrival.value=selectedArrivalText; }
}
if (selectedDepYear%4!=0) daysinmonthD[1]=29;
if (selectedRetYear%4!=0) daysinmonthR[1]=29;
if (selectedDepDay>daysinmonthD[selectedDepMonth-1]||((form.type.type=="hidden"||!form.type[1].checked)&&selectedRetDay>daysinmonthR[selectedRetMonth-1])) {
alert (alert1);
return false;
}
selectedDepTime=selectedDepDate.getTime() + 24*3600*1000;	
selectedRetTime=selectedRetDate.getTime() + 24*3600*1000;
if (today.getTime()>selectedDepTime||((today.getTime()>selectedRetTime )&&(form.type.type=="hidden"||!form.type[1].checked))) {
alert (alert2);
return false;
}
if (form.type.type=="hidden"||form.type[0].checked) {
if (selectedRetTime<selectedDepTime) {
alert (alert3);
return false;
}
}
if (form.departureTEXT.type=="hidden"&&form.arrivalTEXT.type=="hidden") {
form.departureTEXT.value=form.departure.value ;
form.arrivalTEXT.value=form.arrival.value ;
}
if (form.departure.value==""||form.arrival.value=="") {
alert (alert4);
return false;
}
if (form.type.type!="hidden"&&form.type[1].checked) {
form.rday.value="";
form.rmonth.value="";
form.ryear.value="";
}
if (typeof(kk_flight_dayRangeValidDate)=="undefined") kk_flight_dayRangeValidDate=350;
validDepDate=today.getTime()+24*3600*1000*kk_flight_dayRangeValidDate;
if (validDepDate<=selectedDepTime) {
alert(alert5);
return false;
}
if (form.from.value=="kelbest") {form.from.value="shopbot";}
return true;
}

function kk_flight_setMonth() {
document.searchForm.rmonth.selectedIndex=document.searchForm.dmonth.selectedIndex  ;
if (typeof(document.searchForm.wdday)!="undefined") kk_flight_updateWeekDay();
}
   
function kk_flight_setYear() {
document.searchForm.ryear.selectedIndex=document.searchForm.dyear.selectedIndex  ;
if (typeof(document.searchForm.wdday)!="undefined") kk_flight_updateWeekDay();
}

function kk_flight_updateWeekDay() {
var dd=document.searchForm.dday.value;
var dm=document.searchForm.dmonth.value;
var dy=document.searchForm.dyear.value;
if (dy%4==0) var DMonthDays=new Array(31,29,31,30,31,30,31,31,30,31,30,31);
else var DMonthDays=new Array(31,28,31,30,31,30,31,31,30,31,30,31);
if (dd>DMonthDays[dm-1]) {
dd=DMonthDays[dm-1];
document.searchForm.dday.value=dd;
}
var rd=document.searchForm.rday.value;
var rm=document.searchForm.rmonth.value;
var ry=document.searchForm.ryear.value;
if (ry%4==0) var RMonthDays=new Array(31,29,31,30,31,30,31,31,30,31,30,31);
else var RMonthDays=new Array(31,28,31,30,31,30,31,31,30,31,30,31);
if (rd>RMonthDays[rm-1]) {
rd=RMonthDays[rm-1];
document.searchForm.rday.value=rd;
}
kk_flight_getDepWeekDay(dd,dm,dy);
kk_flight_getRetWeekDay(rd,rm,ry);
}

function kk_flight_getDepWeekDay(d,m,y) {
var daysinmonth=[31,28,31,30,31,30,31,31,30,31,30,31];
var day=document.searchForm.dday.options[document.searchForm.dday.selectedIndex].value-1;
var month=document.searchForm.dmonth.options[document.searchForm.dmonth.selectedIndex].value-1;
var year=document.searchForm.dyear.options[document.searchForm.dyear.selectedIndex].value;
if (year%4!=0) daysinmonth[1]=29;
if (typeof(document.searchForm.wdday)!="undefined"){
if (daysinmonth[month]>=day) {
var testdate=new Date(y,m-1,d);
var weekday=testdate.getDay();
if (weekday==0) document.searchForm.wdday.value=Sun;
if (weekday==1) document.searchForm.wdday.value=Mon;
if (weekday==2) document.searchForm.wdday.value=Tue;
if (weekday==3) document.searchForm.wdday.value=Wed;
if (weekday==4) document.searchForm.wdday.value=Thu;
if (weekday==5) document.searchForm.wdday.value=Fri;
if (weekday==6) document.searchForm.wdday.value=Sat;
}
else {document.searchForm.wdday.value="";}
}   
}

function kk_flight_getRetWeekDay(d,m,y) {
var daysinmonth=[31,28,31,30,31,30,31,31,30,31,30,31];
var day=document.searchForm.rday.options[document.searchForm.rday.selectedIndex].value-1;
var month=document.searchForm.rmonth.options[document.searchForm.rmonth.selectedIndex].value-1;
var year=document.searchForm.ryear.options[document.searchForm.ryear.selectedIndex].value;
if (year%4!=0) daysinmonth[1]=29;
if (typeof(document.searchForm.wrday)!="undefined"){
if (daysinmonth[month]>=day) {
var testdate=new Date(y,m-1,d);
var weekday=testdate.getDay();
if (weekday==0) document.searchForm.wrday.value=Sun;
if (weekday==1) document.searchForm.wrday.value=Mon;
if (weekday==2) document.searchForm.wrday.value=Tue;
if (weekday==3) document.searchForm.wrday.value=Wed;
if (weekday==4) document.searchForm.wrday.value=Thu;
if (weekday==5) document.searchForm.wrday.value=Fri;
if (weekday==6) document.searchForm.wrday.value=Sat;
}
else {document.searchForm.wdday.value="";}    
}  
}

function kk_flight_pV(airPort) {
var selectedBox=parent.opener.window.document.formulaire.selectedBox.value;
var selectedBoxText=selectedBox+"TEXT";
parent.opener.window.document.formulaire.elements[selectedBox].value=airPort;	
parent.opener.window.document.formulaire.elements[selectedBoxText].value=airPort;
closePopup();
}

function kk_flight_checkEmptyAirport() {
if (typeof(document.forms.formulaire.departure)!="undefined") {document.forms.formulaire.departureTEXT.value=document.forms.formulaire.departure.value;}
if (typeof(document.forms.formulaire.arrival)!="undefined") {document.forms.formulaire.arrivalTEXT.value=document.forms.formulaire.arrival.value;}
var departure=document.forms.formulaire.departureTEXT.value;
var arrival=document.forms.formulaire.arrivalTEXT.value;
departure=kk_flight_stringTrim(departure);
arrival=kk_flight_stringTrim(arrival);		
if (arrival.length==0||departure.length==0) {
alert(ALERT_AIRPORT_EMPTY); 
return false;
}
else {return true;}
}

function kk_flight_stringTrim(strToTrim) {
if (strToTrim!=null) {strToTrim= strToTrim.replace(/^\s+|\s+$/g, '');}
return strToTrim;
}

function  kk_flight_updateDepartureTextFromSel() {
document.forms.formulaire.departureTEXT.value=document.forms.formulaire.departure.options[document.forms.formulaire.departure.selectedIndex].value;
document.forms.formulaire.departureSelected.value=document.forms.formulaire.departure.selectedIndex;
return true;
}

function  kk_flight_updateArrivalTextFromSel() {
document.forms.formulaire.arrivalTEXT.value=document.forms.formulaire.arrival.options[document.forms.formulaire.arrival.selectedIndex].value;
document.forms.formulaire.arrivalSelected.value=document.forms.formulaire.arrival.selectedIndex;
return true;
}

function  kk_flight_updateDepartureText() {
document.forms.formulaire.departureTEXT.value=document.forms.formulaire.departure.value;
return true;
}

function  kk_flight_updateArrivalText() {
document.forms.formulaire.arrivalTEXT.value=document.forms.formulaire.arrival.value;
return true;
}

function  kk_flight_majDate() {
if (document.searchForm.dday.value=="1"&&document.searchForm.dmonth.value=="1"&&document.searchForm.rday.value=="1"&&document.searchForm.rmonth.value=="1") {
var now=new Date();
var tmp=now.getTime()+(86400000*7);
now.setTime(tmp);
var month=now.getMonth()+1;
var year=now.getFullYear();
var day=now.getDate();    
document.searchForm.dday.options[day-1].selected=true;
document.searchForm.dmonth.options[month-1].selected=true;
document.searchForm.dyear.options[year-this_year].selected=true;
var now2=new Date();
tmp=now2.getTime()+(86400000*14);
now2.setTime(tmp);
month=now2.getMonth()+1;
year=now2.getFullYear();
day=now2.getDate();
document.searchForm.rday.options[day-1].selected=true;
document.searchForm.rmonth.options[month-1].selected=true;
document.searchForm.ryear.options[year-this_year].selected=true;
}
}