var MONTHS_SHORT = ["Jan", "Feb", "Mar", "Apr", "May", "Jun","Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
var MONTHS_DAYS = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 31];

function Reserv() {
   rooms = 1*(1*(document.booking.num_single.options[document.booking.num_single.selectedIndex].value) +
   1*(document.booking.num_double.options[document.booking.num_double.selectedIndex].value) +
   1*(document.booking.num_triple.options[document.booking.num_triple.selectedIndex].value));
   if (rooms > 0) {
         return true;
   } else {
         alert("Please select at least one room!");
         return false;
   }

}

function setArrival(date, fullmonth) {
  today = '2008-05-14';
  if (date < today) {
    date = today;
  }

  year = date.charAt(0) + date.charAt(1) + date.charAt(2) + date.charAt(3);
  month = date.charAt(5) + date.charAt(6);
  day = date.charAt(8) + '' + date.charAt(9);
  if (day > MONTHS_DAYS[month-1]) day = MONTHS_DAYS[month-1];


  myarr_day = document.getElementById("arr_day");
  for (i=0;i<31;i++) {
       myarr_day.options[i]=null;
  }
  for (i=0;i<fullmonth;i++) {
       myarr_day.options[i]=new Option(1*i+1,1*i+1);
  }
  myarr_day.options[day-1].selected=true;


  myarr_month = document.getElementById("arr_month");
  j = 0;
  globalmonth = 05;
  globalyear = 2008;
  for (i=globalmonth;i<1*globalmonth+12;i++) {
       aktmonth = 1*i;
       aktyear = globalyear;
       if (i > 12) {
           aktmonth = 1*i-12;
           aktyear = 1*globalyear+1;
        }
        if (i > 24) {
           aktmonth = 1*i-24;
           aktyear = 1*globalyear+2;
        }
        if ((aktmonth == month) && (aktyear == year)) selectedmonth = j;
        myarr_month.options[j]=null;
        myarr_month.options[j]=new Option(MONTHS_SHORT[1*aktmonth-1] + ' '+ aktyear,aktyear + ''+ aktmonth);
        j++;
  }
  myarr_month.options[selectedmonth].selected=true;
}

function setDeparture(date, fullmonth) {
  today = '2008-05-15';
  if (date < today) {
    date = today;
  }
  //alert(date);
  year = date.charAt(0) + date.charAt(1) + date.charAt(2) + date.charAt(3);
  month = date.charAt(5) + date.charAt(6);
  day = date.charAt(8) + '' + date.charAt(9);
  if (day > MONTHS_DAYS[month-1]) day = MONTHS_DAYS[month-1];

  mydep_day = document.getElementById("dep_day");
  for (i=0;i<31;i++) {
       mydep_day.options[i]=null;
  }
  for (i=0;i<1*fullmonth;i++) {
       mydep_day.options[i]=new Option(1*i+1,1*i+1);
  }
  mydep_day.options[day-1].selected=true;


  mydep_month = document.getElementById("dep_month");

  j = 0;
  globalmonth = 05;
  globalyear = 2008;
  for (i=globalmonth;i<1*globalmonth+12;i++) {
       aktmonth = i;
       aktyear = globalyear;
       if (i > 12) {
           aktmonth = 1*i-12;
           aktyear = 1*globalyear+1;
       }
       if (i > 24) {
           aktmonth = 1*i-24;
           aktyear = 1*globalyear+2;
       }
           //alert(aktyear);
       if ((aktmonth == month) && (aktyear == year)) selectedmonth = j;
       mydep_month.options[j]=null;
       mydep_month.options[j]=new Option(MONTHS_SHORT[aktmonth-1] + ' '+ aktyear,aktyear + ''+ aktmonth);
       j++;
  }
  mydep_month.options[selectedmonth].selected=true;
}

function setCities() {
  mycities = document.getElementById("cityID");
  mycities.options[0]=null;
mycities.options[0]=new Option('Balatonaliga',68);
mycities.options[1]=null;
mycities.options[1]=new Option('Balatonalmadi',23);
mycities.options[2]=null;
mycities.options[2]=new Option('Balatonboglar',42);
mycities.options[3]=null;
mycities.options[3]=new Option('Balatonfured',36);
mycities.options[4]=null;
mycities.options[4]=new Option('Balatonmariafurdo',41);
mycities.options[5]=null;
mycities.options[5]=new Option('Budapest',1);
mycities.options[6]=null;
mycities.options[6]=new Option('Buk, Bukfurdo',4);
mycities.options[7]=null;
mycities.options[7]=new Option('Cegled',50);
mycities.options[8]=null;
mycities.options[8]=new Option('Cserkeszolo',40);
mycities.options[9]=null;
mycities.options[9]=new Option('Cserszegtomaj',59);
mycities.options[10]=null;
mycities.options[10]=new Option('Debrecen',16);
mycities.options[11]=null;
mycities.options[11]=new Option('Eger',3);
mycities.options[12]=null;
mycities.options[12]=new Option('Egerszalok',31);
mycities.options[13]=null;
mycities.options[13]=new Option('Fuzesgyarmat',26);
mycities.options[14]=null;
mycities.options[14]=new Option('Galyateto',34);
mycities.options[15]=null;
mycities.options[15]=new Option('Gardony',43);
mycities.options[16]=null;
mycities.options[16]=new Option('God',9);
mycities.options[17]=null;
mycities.options[17]=new Option('Gyomro',12);
mycities.options[18]=null;
mycities.options[18]=new Option('Gyor',15);
mycities.options[19]=null;
mycities.options[19]=new Option('Gyula',29);
mycities.options[20]=null;
mycities.options[20]=new Option('Hajduszoboszlo',6);
mycities.options[21]=null;
mycities.options[21]=new Option('Harkany',22);
mycities.options[22]=null;
mycities.options[22]=new Option('Hedervar',60);
mycities.options[23]=null;
mycities.options[23]=new Option('Heviz',5);
mycities.options[24]=null;
mycities.options[24]=new Option('Hogyesz',27);
mycities.options[25]=null;
mycities.options[25]=new Option('Kecskemet',61);
mycities.options[26]=null;
mycities.options[26]=new Option('Kehidakustany',65);
mycities.options[27]=null;
mycities.options[27]=new Option('Keszthely',33);
mycities.options[28]=null;
mycities.options[28]=new Option('Lillafured',56);
mycities.options[29]=null;
mycities.options[29]=new Option('Matraszentistvan',63);
mycities.options[30]=null;
mycities.options[30]=new Option('Mezokovesd',18);
mycities.options[31]=null;
mycities.options[31]=new Option('Miskolc',51);
mycities.options[32]=null;
mycities.options[32]=new Option('Nagykanizsa',58);
mycities.options[33]=null;
mycities.options[33]=new Option('Paty',46);
mycities.options[34]=null;
mycities.options[34]=new Option('Pecs',13);
mycities.options[35]=null;
mycities.options[35]=new Option('Poroszlo',19);
mycities.options[36]=null;
mycities.options[36]=new Option('Sagvar',53);
mycities.options[37]=null;
mycities.options[37]=new Option('Sarvar',7);
mycities.options[38]=null;
mycities.options[38]=new Option('Siofok',24);
mycities.options[39]=null;
mycities.options[39]=new Option('Somlovasarhely',64);
mycities.options[40]=null;
mycities.options[40]=new Option('Sopron',14);
mycities.options[41]=null;
mycities.options[41]=new Option('Spa Hotels In Hungary',2);
mycities.options[42]=null;
mycities.options[42]=new Option('Sumeg',35);
mycities.options[43]=null;
mycities.options[43]=new Option('Szeged',20);
mycities.options[44]=null;
mycities.options[44]=new Option('Szekesfehervar',48);
mycities.options[45]=null;
mycities.options[45]=new Option('Szolnok',66);
mycities.options[46]=null;
mycities.options[46]=new Option('Szombathely',45);
mycities.options[47]=null;
mycities.options[47]=new Option('Tapolca',10);
mycities.options[48]=null;
mycities.options[48]=new Option('Tata',57);
mycities.options[49]=null;
mycities.options[49]=new Option('Tiszafured',62);
mycities.options[50]=null;
mycities.options[50]=new Option('Tiszaujvaros',28);
mycities.options[51]=null;
mycities.options[51]=new Option('Vecses',39);
mycities.options[52]=null;
mycities.options[52]=new Option('Vonyarcvashegy',44);
mycities.options[53]=null;
mycities.options[53]=new Option('Zalacsany',67);
mycities.options[54]=null;
mycities.options[54]=new Option('Zalakaros',17);
 mycities.options[0].selected=true;
}

function changeArrDate() {

  myarr_day = document.getElementById("arr_day");
  myarr_month = document.getElementById("arr_month");
  myarr_month_text = myarr_month.options[myarr_month.selectedIndex].value;
  day = myarr_day.options[myarr_day.selectedIndex].value;
  year = myarr_month_text.charAt(0) + myarr_month_text.charAt(1) + myarr_month_text.charAt(2) + myarr_month_text.charAt(3);
  month = myarr_month_text.charAt(4) + myarr_month_text.charAt(5);
  //biztosan frissiteni kell az érkezést

  arrdate = year;
  if (month < 10) {
    arrdate = arrdate + '-0' + month;
  } else {
    arrdate = arrdate + '-' + month;
  }
  if (day < 10) {
    arrdate = arrdate + '-0' + day;
  } else {
    arrdate = arrdate + '-' + day;
  }
  //alert(arrdate);

  globaldate = '2009-04-30';
  globaldate2 = '2009-04-29';
  globalday2 = '29';
  if (globaldate == arrdate) {
     arrdate = globaldate2;
         arrday = globalday2;
  }


  setArrival(arrdate, MONTHS_DAYS[month-1]);


  day = myarr_day.options[myarr_day.selectedIndex].value;
  year = myarr_month_text.charAt(0) + myarr_month_text.charAt(1) + myarr_month_text.charAt(2) + myarr_month_text.charAt(3);
  month = myarr_month_text.charAt(4) + myarr_month_text.charAt(5);

  //csak akkor módosítjuk a távozás dátumát, ha az megelőzi az érkezést
  mydep_day = document.getElementById("dep_day");
  mydep_month = document.getElementById("dep_month");
  mydep_month_text = mydep_month.options[mydep_month.selectedIndex].value;
  depnowday = mydep_day.options[mydep_day.selectedIndex].value;
  depnowyear = mydep_month_text.charAt(0) + mydep_month_text.charAt(1) + mydep_month_text.charAt(2) + mydep_month_text.charAt(3);
  depnowmonth = mydep_month_text.charAt(4) + mydep_month_text.charAt(5);
//  alert(day +'<'+ depnowday);
  if (1*year < 1*depnowyear) return;
  if ((1*year == 1*depnowyear) && (1*month < 1*depnowmonth)) return;
  if ( (1*year == 1*depnowyear) && (1*month==1*depnowmonth) && (1*day < 1*depnowday)) return;

  //alert(year + '-' + month + '-' + day);
  depday = 1*day + 1;
  depmonth = month;
  depyear = year;
  if ( (month<12) && (MONTHS_DAYS[month-1] == day)) { //nem december és hónap vége van
    depday = 1;
        depmonth = 1*month+1;
        depyear = 1*year;
  }
  if ((month == 12) && (MONTHS_DAYS[month-1] == day)) { //december és hónap vége van
    depday = 1;
        depmonth = 1;
        depyear = 1*year + 1;
  }
  depdate = depyear;
  if (depmonth < 10) {
    depdate = depdate + '-0' + depmonth;
  } else {
    depdate = depdate + '-' + depmonth;
  }
  if (depday < 10) {
    depdate = depdate + '-0' + depday;
  } else {
    depdate = depdate + '-' + depday;
  }
  //alert(depdate);
  setDeparture(depdate, MONTHS_DAYS[depmonth-1]);
}

function changeDepDate() {

  myarr_day = document.getElementById("arr_day");
  myarr_month = document.getElementById("arr_month");
  myarr_month_text = myarr_month.options[myarr_month.selectedIndex].value;
  arrday = myarr_day.options[myarr_day.selectedIndex].value;
  arryear = myarr_month_text.charAt(0) + myarr_month_text.charAt(1) + myarr_month_text.charAt(2) + myarr_month_text.charAt(3);
  arrmonth = myarr_month_text.charAt(4) + myarr_month_text.charAt(5);

  mydep_day = document.getElementById("dep_day");
  mydep_month = document.getElementById("dep_month");
  mydep_month_text = mydep_month.options[mydep_month.selectedIndex].value;
  depday = mydep_day.options[mydep_day.selectedIndex].value;
  depyear = mydep_month_text.charAt(0) + mydep_month_text.charAt(1) + mydep_month_text.charAt(2) + mydep_month_text.charAt(3);
  depmonth = mydep_month_text.charAt(4) + mydep_month_text.charAt(5);
  //biztosan frissiteni kell az távozást
  depdate = depyear;
  if (depmonth < 10) {
    depdate = depdate + '-0' + 1*depmonth;
  } else {
    depdate = depdate + '-' + 1*depmonth;
  }
  if (depday < 10) {
    depdate = depdate + '-0' + 1*depday;
  } else {
    depdate = depdate + '-' + 1*depday;
  }
  //alert(depdate);

  globaldate = '2008-05-01';
  globaldate2 = '2008-05-02';
  if (globaldate == depdate) {
     depdate = globaldate2;
         depday = 2;
  }

  arrdate = arryear;
  if (arrmonth < 10) {
    arrdate = arrdate + '-0' + 1*arrmonth;
  } else {
    arrdate = arrdate + '-' + 1*arrmonth;
  }
  if (arrday < 10) {
    arrdate = arrdate + '-0' + 1*arrday;
  } else {
    arrdate = arrdate + '-' + 1*arrday;
  }

  setDeparture(depdate, MONTHS_DAYS[1*depmonth-1]);

  if (arrdate  < depdate) return; //minden ok

  //változtatni kell az érkezést is sajna
  arrday = 1*depday - 1;
  arrmonth = depmonth;
  arryear = depyear;
  if ( (depmonth>0) && (depday == 1)) { //nem január és hónap eleje
    arrday = 31; //a beállíátsnál úgyis a hónap végére módosítja a függvény
        arrmonth = 1*depmonth-1;
        arryear = 1*depyear;
  }
  if ((month == 0) && (depday == 1)) { //január és hónap eleje van
    arrday = 31;
        arrmonth = 12;
        arryear = 1*depyear - 1;
  }
  arrdate = arryear;
  if (arrmonth < 10) {
    arrdate = arrdate + '-0' + 1*arrmonth;
  } else {
    arrdate = arrdate + '-' + 1*arrmonth;
  }
  if (arrday < 10) {
    arrdate = arrdate + '-0' + 1*arrday;
  } else {
    arrdate = arrdate + '-' + 1*arrday;
  }
  //alert(arrdate);
  setArrival(arrdate, MONTHS_DAYS[arrmonth-1]);
}


//*******************************************
//INICIALIZÁLÁS
// setCities();
 setArrival('2008-05-15', '31');
 setDeparture('2008-05-16', '31');