var MONTHS_SHORT = ["Gennaio", "Febraio", "Marzo", "Aprile", "Maggio", "Giugno","Luglio", "Agosto ", "Settembre", "Ottobre", "Novembre", "Dicembre"];
var MONTHS_DAYS = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31, 31];
var ARR_WEEKDAYS = ["Domenica", "Lunedi", "Martedi", "Mercoledi", "Giovedi", "Venerdi", "Sabato"];

function DayOfTheWeek(year, month, day) {
  var c = new Date(year, month-1, day);
  var dayOfWeek = c.getDay();
  return  ARR_WEEKDAYS[dayOfWeek];
}

function setArrival(date, fullmonth) {
  today = '2009-01-07';
  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];

  //nagy dátum beállítása
  myarr_date = document.getElementById("arr_date");
  myarr_date.value = day + '-' + month + '-' + year;

  //a hét napja beállítása
  myarr_dayname  = document.getElementById("arr_dayname");
  myarr_dayname.value = DayOfTheWeek(year, month, day);

  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 = 01;
  globalyear = 2009;
  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 = '2009-01-08';
  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];

  //nagy dátum beállítása
  mydep_date = document.getElementById("dep_date");
  mydep_date.value = day + '-' + month + '-' + year;

  //a hét napja beállítása
  mydep_dayname  = document.getElementById("dep_dayname");
  mydep_dayname.value = DayOfTheWeek(year, month, day);


  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 = 01;
  globalyear = 2009;
  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");
  if (!mycities.value) {
      mycities.options[0]=null;
    mycities.options[0]=new Option('Alsoors',70);
    mycities.options[1]=null;
    mycities.options[1]=new Option('Balatonaliga',68);
    mycities.options[2]=null;
    mycities.options[2]=new Option('Balatonalmadi',23);
    mycities.options[3]=null;
    mycities.options[3]=new Option('Balatonboglar',42);
    mycities.options[4]=null;
    mycities.options[4]=new Option('Balatonfured',36);
    mycities.options[5]=null;
    mycities.options[5]=new Option('Balatonkenese',92);
    mycities.options[6]=null;
    mycities.options[6]=new Option('Balatonmariafurdo',41);
    mycities.options[7]=null;
    mycities.options[7]=new Option('Balatonszarszo',96);
    mycities.options[8]=null;
    mycities.options[8]=new Option('Balatonvilagos',78);
    mycities.options[9]=null;
    mycities.options[9]=new Option('Bikacs',76);
    mycities.options[10]=null;
    mycities.options[10]=new Option('Budapest',1);
    mycities.options[11]=null;
    mycities.options[11]=new Option('Buk, Bukfurdo',4);
    mycities.options[12]=null;
    mycities.options[12]=new Option('Cegled',50);
    mycities.options[13]=null;
    mycities.options[13]=new Option('Cserkeszolo',40);
    mycities.options[14]=null;
    mycities.options[14]=new Option('Cserszegtomaj',59);
    mycities.options[15]=null;
    mycities.options[15]=new Option('Debrecen',16);
    mycities.options[16]=null;
    mycities.options[16]=new Option('Dobogoko',94);
    mycities.options[17]=null;
    mycities.options[17]=new Option('Dunasziget',75);
    mycities.options[18]=null;
    mycities.options[18]=new Option('Eger',3);
    mycities.options[19]=null;
    mycities.options[19]=new Option('Egerszalok',31);
    mycities.options[20]=null;
    mycities.options[20]=new Option('Erdobenye',91);
    mycities.options[21]=null;
    mycities.options[21]=new Option('Fuzesgyarmat',26);
    mycities.options[22]=null;
    mycities.options[22]=new Option('Galyateto',34);
    mycities.options[23]=null;
    mycities.options[23]=new Option('Gardony',43);
    mycities.options[24]=null;
    mycities.options[24]=new Option('Gyenesdias',71);
    mycities.options[25]=null;
    mycities.options[25]=new Option('Gyomaendrod',69);
    mycities.options[26]=null;
    mycities.options[26]=new Option('Gyomro',12);
    mycities.options[27]=null;
    mycities.options[27]=new Option('Gyor',15);
    mycities.options[28]=null;
    mycities.options[28]=new Option('Gyula',29);
    mycities.options[29]=null;
    mycities.options[29]=new Option('Göd',9);
    mycities.options[30]=null;
    mycities.options[30]=new Option('Hajduszoboszlo',6);
    mycities.options[31]=null;
    mycities.options[31]=new Option('Harkany',22);
    mycities.options[32]=null;
    mycities.options[32]=new Option('Hedervar',60);
    mycities.options[33]=null;
    mycities.options[33]=new Option('Heviz',5);
    mycities.options[34]=null;
    mycities.options[34]=new Option('Hogyesz',27);
    mycities.options[35]=null;
    mycities.options[35]=new Option('Kecskemet',61);
    mycities.options[36]=null;
    mycities.options[36]=new Option('Kehidakustany',65);
    mycities.options[37]=null;
    mycities.options[37]=new Option('Keszthely',33);
    mycities.options[38]=null;
    mycities.options[38]=new Option('Lillafured',56);
    mycities.options[39]=null;
    mycities.options[39]=new Option('Matraszentistvan',63);
    mycities.options[40]=null;
    mycities.options[40]=new Option('Mezokovesd',18);
    mycities.options[41]=null;
    mycities.options[41]=new Option('Miskolc',51);
    mycities.options[42]=null;
    mycities.options[42]=new Option('Miskolctapolca',77);
    mycities.options[43]=null;
    mycities.options[43]=new Option('Mosonmagyarovar',95);
    mycities.options[44]=null;
    mycities.options[44]=new Option('Nagykanizsa',58);
    mycities.options[45]=null;
    mycities.options[45]=new Option('Paradsasvar',93);
    mycities.options[46]=null;
    mycities.options[46]=new Option('Paty',46);
    mycities.options[47]=null;
    mycities.options[47]=new Option('Pecs',13);
    mycities.options[48]=null;
    mycities.options[48]=new Option('Poroszlo',19);
    mycities.options[49]=null;
    mycities.options[49]=new Option('Rabafuzes',83);
    mycities.options[50]=null;
    mycities.options[50]=new Option('Rojtokmuzsaj',79);
    mycities.options[51]=null;
    mycities.options[51]=new Option('Sagvar',53);
    mycities.options[52]=null;
    mycities.options[52]=new Option('Sarvar',7);
    mycities.options[53]=null;
    mycities.options[53]=new Option('Simontornya',98);
    mycities.options[54]=null;
    mycities.options[54]=new Option('Siofok',24);
    mycities.options[55]=null;
    mycities.options[55]=new Option('Somlovasarhely',64);
    mycities.options[56]=null;
    mycities.options[56]=new Option('Sopron',14);
    mycities.options[57]=null;
    mycities.options[57]=new Option('Spa hotels in Ungheria',2);
    mycities.options[58]=null;
    mycities.options[58]=new Option('Sumeg',35);
    mycities.options[59]=null;
    mycities.options[59]=new Option('Szeged',20);
    mycities.options[60]=null;
    mycities.options[60]=new Option('Szekesfehervar',48);
    mycities.options[61]=null;
    mycities.options[61]=new Option('Szentendre',74);
    mycities.options[62]=null;
    mycities.options[62]=new Option('Szigetszentmiklos',86);
    mycities.options[63]=null;
    mycities.options[63]=new Option('Szolnok',66);
    mycities.options[64]=null;
    mycities.options[64]=new Option('Szombathely',45);
    mycities.options[65]=null;
    mycities.options[65]=new Option('Tapolca',10);
    mycities.options[66]=null;
    mycities.options[66]=new Option('Tarcal',80);
    mycities.options[67]=null;
    mycities.options[67]=new Option('Tata',57);
    mycities.options[68]=null;
    mycities.options[68]=new Option('Tihany',72);
    mycities.options[69]=null;
    mycities.options[69]=new Option('Tiszafured',62);
    mycities.options[70]=null;
    mycities.options[70]=new Option('Tiszaujvaros',28);
    mycities.options[71]=null;
    mycities.options[71]=new Option('Torokbalint',73);
    mycities.options[72]=null;
    mycities.options[72]=new Option('Vecses',39);
    mycities.options[73]=null;
    mycities.options[73]=new Option('Velence',90);
    mycities.options[74]=null;
    mycities.options[74]=new Option('Veszprem',97);
    mycities.options[75]=null;
    mycities.options[75]=new Option('Visegrad',81);
    mycities.options[76]=null;
    mycities.options[76]=new Option('Vonyarcvashegy',44);
    mycities.options[77]=null;
    mycities.options[77]=new Option('Zalacsany',67);
    mycities.options[78]=null;
    mycities.options[78]=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 = '2009-12-31';
  globaldate2 = '2009-12-30';
  globalday2 = '30';
  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 = '2009-01-01';
  globaldate2 = '2009-01-02';
  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('2009-01-07', '31');
 setDeparture('2009-01-08', '31');