var filaMonth;
calendar = new Object();
tr = new Object();

var mesi=new Array();
var days=new Array();

function showCalendar (img, cal, dt, frm,m,y,d) {
    if (document.getElementById) {
        var c = document.getElementById(cal);
        var i = document.getElementById(img);
        var f = document.getElementById(frm);
        calendar.calfrm = frm;
        calendar.cal = c;
        calendar.caldt = dt;
        calendar.calf = f;
        var my = f[dt + '_year_month'].value.split("-");
        y=my[0];m=my[1];d=f[ dt + '_monthday'].value;
        buildCal(y,m,d);
        var l=0; var t=0;
        aTag = i;
        do {
            aTag = aTag.offsetParent;
            l += aTag.offsetLeft;
            t += aTag.offsetTop;
        } while (aTag.offsetParent && aTag.tagName != 'body');
        var left =  (i.offsetParent.id!='avmenu' && i.offsetParent.className!='content_city_hotel' ? (i.offsetLeft + l-80) : (i.offsetLeft -80) ) ;
        var top = (i.offsetParent.id!='avmenu' && i.offsetParent.className!='content_city_hotel' ? (i.offsetTop + t + i.offsetHeight + 2) : (i.offsetTop+20) );

    /*    var left =  i.offsetLeft -80;
        var top = i.offsetTop +20;
        alert('i.offsetTop='+i.offsetTop+ ' t='+t+' i.offsetHeight='+i.offsetHeight+ 'l='+l );
     */
        c.style.position = "absolute";
        c.style.left = left+'px';
        c.style.top = top+'px';
        c.style.display="block";
    }
}

function closeCal() {
    calendar.cal.style.display='none';
}

function buildCal(y,m,d){
    var daysInMonth=[31,0,31,30,31,30,31,31,30,31,30,31];
    td=new Date();
    if (!y) y = td.getFullYear();
    if (!m) m = td.getMonth()+1;
    if (!d) d = td.getDate;
    var frm = calendar.calfrm;
    var dt = calendar.caldt;

    var mDate = new Date(y, m-1, 1);
    var firstMonthDay = mDate.getDay();
    daysInMonth[1]=(((mDate.getFullYear()%100!=0) && (mDate.getFullYear()%4==0)) || (mDate.getFullYear()%400==0))?29:28;

    var today = (y==td.getFullYear() && m==td.getMonth()+1)? td.getDate() : 0;
    var t='<table class="b_caltable" cellspacing="0"><tr class="b_calHeader">';
    var flm=td.getMonth()+1;var flyr=td.getFullYear();
    for(p=0;p<=10;p++){
        if (flm == m) {
            filaMonth = p;
        }
        flm++; if (flm>12) { flm=1;flyr++ }
    }
    t+='<td colspan="7">';
    if (filaMonth == 0) {
        t+='&nbsp;&lt;&nbsp;';
    }
    else {
        t+='<a href="javascript:prevMonth('+y+','+m+');" title="'+tr.prevMonth+'">&nbsp;&lt;&nbsp;</a>';
    }
    t+='&nbsp;<select name="ym" onchange="goMonth(this.options[this.selectedIndex].value)">';
    var mn=td.getMonth()+1;var yr=td.getFullYear();
    for(n=0;n<=10;n++){
        t+='<option value="' + mn + '"';
        if (mn == m) {
            t+=' selected="selected"';
        }
        t+='>' + mesi[mn-1] + ' ' + yr +'</option>';
        mn++; if (mn>12) { mn=1;yr++ }
    }
    t+= ' </select>&nbsp;';
    if (filaMonth == 10) {
        t+='&nbsp;&gt;&nbsp;';
    }
    else {
        t+='<a href="javascript:nextMonth('+y+','+m+');" title="' + tr.nextMonth +'">&nbsp;&gt;&nbsp;</a>';
    }
    t+='</td></tr>';
    t+='<tr class="b_calDayNames">';
    for(dn=0;dn<7;dn++){
        var cl = '';
        if ((dn%7==5) || (dn%7 == 6)) cl += ' b_calWeekend';
        t+='<th class="'+cl+'">'+days[dn]+'</th>';
    }
    t+='</tr><tr class="b_calDays">';
    for(i=1;i<=42;i++){
        var x = i - (firstMonthDay+6)%7;
        if (x > daysInMonth[m-1] || x <1) x = '&nbsp;';
        var cl = '';
        var href = 0;
        if ((i%7==0) || (i%7 == 6)) cl += ' b_calWeekend';
        if (x>0){
            var xDay = new Date(y, m-1, x);
            if ((xDay.getFullYear() == y) && (xDay.getMonth()+1 == m)
                && (xDay.getDate() == d))
                { cl += ' b_calSelected' ; href=1}
            if ((xDay.getFullYear() == td.getFullYear())
                && (xDay.getMonth() == td.getMonth())
                && (xDay.getDate() == td.getDate()))
                { cl += ' b_calToday'; href=1;}
            else {
                if (xDay > td){ cl += ' b_calFuture'; href=1; }
                else {
                    if (xDay < td) { cl += ' b_calPast'}
                }
            }
        };
        t+='<td class="'+cl+'">';
        if (href){
            t+='<a href="javascript:pickDate('+y+','+m+','+x+',\''+dt+'\',\''+frm+'\');">'+x+'</a>';
        } else {
            t+=x;
        }
        t+='</td>';
        if(((i)%7==0)&&(i<36)) {
            t+='</tr><tr class="b_calDays">';
        }
    }
    t+='</tr><tr class="b_calClose"><td colspan="7"><a href="javascript:closeCal();">' + tr.closeCalendar + '</a></td></tr></table>';
    document.getElementById("b_calendarInner").innerHTML= t;
}

function prevMonth(y,m) {
    if (new Date(y,m-1,1) < td) return;
    if (m > 1) {m--} else {m = 12; y--};
    buildCal(y,m);
}

function nextMonth(y,m) {
//    if ((new Date(y,m-1,1) - td) > 1000*3600*24*300) return;
    if (m<12){m++;} else {m=1;y++;}
    if (y > td.getFullYear() && m >= td.getMonth() ) return;
    buildCal(y,m);
}

function goMonth(m){
    var y = td.getFullYear();
    if (m < td.getMonth()+1) y++;
    buildCal(y,m);
}

function pickDate(y,m,d,dt,frm){
    // set form values
    var f = calendar.calf;
    var dt = calendar.caldt;
    f[dt + '_year_month'].value = y + "-"  + padZero(m);
    f[dt + '_monthday'].value = padZero(d);
    if (dt == "checkin"){
        checkDateOrder(calendar.calfrm, 'checkin_monthday', 'checkin_year_month', 'checkout_monthday', 'checkout_year_month');
    }
    closeCal();
}

function checkDateOrder(frm, ci_day, ci_month_year, co_day, co_month_year) {
    if (document.getElementById) {
      var frm = document.getElementById(frm);
      // create date object from checkin values
      // set date to 12:00 to avoid problems with one
      // date being wintertime and the other summertime
      var my = frm[ci_month_year].value.split("-");
      var ci = new Date (my[0], my[1]-1, frm[ci_day].value, 12, 0, 0, 0);

    // create date object from checkout values
        my = frm[co_month_year].value.split("-");
        var co = new Date (my[0], my[1]-1, frm[co_day].value, 12, 0, 0, 0);

      // if checkin date is at or after checkout date,
      // add a day full of milliseconds, and set the
      // selectbox values for checkout date to new value
      if (ci >= co){
          co.setTime(ci.getTime() + 1000 * 60 * 60 * 24);
          frm[co_day].value =  padZero(co.getDate());
          var com = co.getMonth()*1.+1;
          frm[co_month_year].value = co.getFullYear() + "-" + padZero(com);
        }
    }
}



var months = new Array();

function setCalLang(lan){

    if(lan=='it'){
        if (typeof(err_wrong_ci_date) != 'string') {
            err_wrong_ci_date = 'La data di partenza inserita non e\' valida';
        }
        if (typeof(err_wrong_co_date) != 'string') {
            err_wrong_co_date = 'La data di arrivo inserita non e\' valida';
        }
        if (typeof(err_wrong_ci_90max) != 'string') {
            err_wrong_ci_90max = 'La durata massima del soggiorno non puo\' superare i 90 giorni';
        }
        if (typeof(err_co_before_ci) != 'string') {
            err_co_before_ci = 'La data di partenza deve essere precedente a quella di arrivo';
        }
        months = new Array( "GEN", "FEB", "MAR", "APR", "MAG", "GIU", "LUG", "AGO", "SET", "OTT", "NOV", "DIC" );
        mesi = ['Gennaio','Febbraio','Marzo','Aprile','Maggio','Giugno','Luglio','Agosto','Settembre','Ottobre','Novembre','Dicembre'];
        days = ['Lu','Ma','Me','Gi','Ve','Sa','Do'];
        tr.nextMonth = "Mese successivo";
        tr.prevMonth = "Mese precedente";
        tr.closeCalendar = "Chiudi calendario";
    }else if(lan=='de'){
        if (typeof(err_wrong_ci_date) != 'string') {
            err_wrong_ci_date = 'Der angegebene Anreisetag ist ungültig.';
        }
        if (typeof(err_wrong_co_date) != 'string') {
            err_wrong_co_date = 'Der angegebene Abreisetag ist ungültig.';
        }
        if (typeof(err_wrong_ci_90max) != 'string') {
            err_wrong_ci_90max = 'Der Aufenthalt kann höchstens 90 Tage dauern.';
        }
        if (typeof(err_co_before_ci) != 'string') {
            err_co_before_ci = 'Der Anreisetag muss vor dem Abreisetag liegen.';
        }
        months = new Array( "JAN", "FEB", "MAR", "APR", "MAI", "JUN", "JUL", "AUG", "SEP", "OKT", "NOV", "DEZ" );
        tr.nextMonth = "Nächster Monat";
        tr.prevMonth = "Voriger Monat";
        tr.closeCalendar = "Kalender schließen";
        mesi = ['Januar','Februar','März','April','Mai','Juni','Juli','August','September','Oktober','November','Dezember'];
        days = ['Mo','Di','Mi','Do','Fr','Sa','So'];

    }else if(lan=='es'){
        if (typeof(err_wrong_ci_date) != 'string') {
            err_wrong_ci_date = 'La fecha de llegada insertada no es válida.';
        }
        if (typeof(err_wrong_co_date) != 'string') {
            err_wrong_co_date = 'La fecha de salida no es válida.';
        }
        if (typeof(err_wrong_ci_90max) != 'string') {
            err_wrong_ci_90max = 'El tiempo de permanencia no puede superar los 90 días.';
        }
        if (typeof(err_co_before_ci) != 'string') {
            err_co_before_ci = 'La fecha de llegada tiene que ser anterior a la fecha de salida.';
        }
        months = new Array( "ENE", "FEB", "MAR", "ABR", "MAY", "JUN", "JUL", "AGO", "SEP", "OCT", "NOV", "DIC" );
        tr.nextMonth = "Mes siguiente";
        tr.prevMonth = "Mes anterior";
        tr.closeCalendar = "Cerrar calendario";
        mesi = ['enero','febrero','marzo','abril','mayo','junio','julio','agosto','septiembre','octubre','noviembre','diciembre'];
        days = ['lu','ma','mi','ju','vi','sa','do'];
    }
    else if(lan=='fr'){
        if (typeof(err_wrong_ci_date) != 'string') {
            err_wrong_ci_date = 'La date d\'arrivéé insérée n\'est pas valide.';
        }
        if (typeof(err_wrong_co_date) != 'string') {
            err_wrong_co_date = 'La date de départ insérée n\'est pas valide.';
        }
        if (typeof(err_wrong_ci_90max) != 'string') {
            err_wrong_ci_90max = 'La durée du séjour ne peut pas dépasser 90 jours.';
        }
        if (typeof(err_co_before_ci) != 'string') {
            err_co_before_ci = 'La date d\'arrivée doit être antérieure à la date de départ.';
        }
        months = new Array( "ENE", "FEV", "MAR", "AVR", "MAI", "JUN", "JUL", "AOU", "SEP", "OCT", "NOV", "DEC" );
        tr.nextMonth = "Mois suivant";
        tr.prevMonth = "Mois précédent";
        tr.closeCalendar = "Fermer le calendrier";
        mesi = ['janvier','février','mars','avril','mai','juin','juillet','août','septembre','octobre','novembre','décembre'];
        days = ['lu','ma','me','je','ve','sa','di'];

    }
    else if(lan=='zh'){
        if (typeof(err_wrong_ci_date) != 'string') {
            err_wrong_ci_date = '你输入的入住日期无效。';
        }
        if (typeof(err_wrong_co_date) != 'string') {
            err_wrong_co_date = '你输入的离店日期无效。';
        }
        if (typeof(err_wrong_ci_90max) != 'string') {
            err_wrong_ci_90max = 'The maximum length of your stay cannot exceed 90 days.';
        }
        if (typeof(err_co_before_ci) != 'string') {
            err_co_before_ci = 'The check-in date must be before the check-out date.';
        }
        months = new Array( "一月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "十一月", "十二月" );
        tr.nextMonth = "下个月";
        tr.prevMonth = "上个月";
        tr.closeCalendar = "关闭日历";
        mesi = ['1月','2月','3月','4月','5月','6月','7月','8月','9月','10月','11月','12月'];
        days = ['Mo','Tu','We','Th','Fr','Sa','Su'];
    }else if (lan=='ro'){
		if (typeof(err_wrong_ci_date) != 'string') {
            err_wrong_ci_date = 'The check-in date you entered is not valid.';
        }
        if (typeof(err_wrong_co_date) != 'string') {
            err_wrong_co_date = 'The check-out date you entered is not valid.';
        }
        if (typeof(err_wrong_ci_90max) != 'string') {
            err_wrong_ci_90max = 'The maximum length of your stay cannot exceed 90 days.';
        }
        if (typeof(err_co_before_ci) != 'string') {
            err_co_before_ci = 'The check-in date must be before the check-out date.';
        }
        months = new Array( "IAN", "FEB", "MAR", "APR", "MAI", "IUN", "JUL", "AUG", "SEP", "OCT", "NOI", "DEC" );
        tr.nextMonth = "Luna următoare";
        tr.prevMonth = " Luna anterioară";
        tr.closeCalendar = "închide calendar";
        mesi = ['Ianuarie','Februarie','Martie','Aprilie','Mai','Iunie','Iulie','August','Septembrie','Octombrie','Noiembrie','Decembrie'];
        days = ['Lu','Ma','Mi','Jo','Vi','Sâ','Du'];
	}
    else{
        if (typeof(err_wrong_ci_date) != 'string') {
            err_wrong_ci_date = 'The check-in date you entered is not valid.';
        }
        if (typeof(err_wrong_co_date) != 'string') {
            err_wrong_co_date = 'The check-out date you entered is not valid.';
        }
        if (typeof(err_wrong_ci_90max) != 'string') {
            err_wrong_ci_90max = 'The maximum length of your stay cannot exceed 90 days.';
        }
        if (typeof(err_co_before_ci) != 'string') {
            err_co_before_ci = 'The check-in date must be before the check-out date.';
        }
        months = new Array( "JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC" );
        tr.nextMonth = "Next month";
        tr.prevMonth = "Previous month";
        tr.closeCalendar = "Close calendar";
        mesi = ['January','February','March','April','May','June','July','August','September','October','November','December'];
        days = ['Mo','Tu','We','Th','Fr','Sa','Su'];
    }
}
function CheckDate(myf) {
   var frm = document.myf;
   return _CheckDate(frm)
}

function _CheckDate(myf) {

   var today = new Date();
   var day = today.getDate();
   var month = today.getMonth() + 1 ;
   var year = today.getFullYear();
   if(!myf)
      myf = document.vSearch;

   sel_sd   = myf.checkin_monthday;
   sel_smy  = myf.checkin_year_month;
   sel_ed   = myf.checkout_monthday;
   sel_emy  = myf.checkout_year_month;
   sel_pval = myf.pval;
   sel_rval = myf.rval;


   if(!((sel_sd.selectedIndex ==0)&&(sel_smy.selectedIndex ==0)&&(sel_ed.selectedIndex ==0)&&(sel_emy.selectedIndex ==0)&& sel_pval != null && (sel_pval.selectedIndex ==0)&&(sel_rval.selectedIndex ==0)))
   {


      //check-in
      var start_day     = sel_sd.value;
      var tmp_smy       = new String(sel_smy.value).split('-');
      var start_month   = new Number(tmp_smy[1]);
      var start_year    = new Number(tmp_smy[0]);
      var mysd          = sel_sd.selectedIndex;
      var mysm          = tmp_smy[1];
      var mysy          = tmp_smy[0];

      //check-out
      var end_day       = sel_ed.value;
      var tmp_emy       = new String(sel_emy.value).split('-');
      var end_month     = new Number(tmp_emy[1]);
      var end_year      = new Number(tmp_emy[0]);
      var myed          = sel_ed.selectedIndex;
      var myem          = tmp_emy[1];
      var myey          = tmp_emy[0];

      //no check-in
      if (mysd == 0 || sel_smy.selectedIndex == 0) {
         alert(err_wrong_ci_date);
         return false;
      }

      //no check-out
      if (myed == 0 || sel_emy.selectedIndex == 0) {
         alert(err_wrong_co_date);
         return false;
      }

      //check-in wrong date
      if (  (start_day == 31 && ((start_month == 4) || (start_month == 6) || (start_month == 9) || (start_month == 11)))
         || ((start_day > 29) && (start_month == 2))
         || ((start_year %4 != 0) && (start_month == 2) && (start_day > 28))) {
         alert(err_wrong_ci_date);
         return false;
      }
      if (start_month == month && start_year == year && start_day < day){ //check-in before today
         alert(err_wrong_ci_date);
         return false;
      }

      //check-out wrong date
      if (  (end_day == 31) && ((end_month == 4) || (end_month == 6) || (end_month == 9) || (end_month == 11))
         || ((end_day > 29) && (end_month == 2))
         || ((end_year %4 != 0) && (end_month == 2) && (end_day > 28))) {
         alert(err_wrong_co_date);
         return false;
      }


      // extra check on start - end date range
      var startDate = new Date(start_year, start_month-1, start_day);
      var endDate = new Date(end_year,end_month-1,end_day);
      var maxDelta = 90 * 24 * 3600 * 1000; // 3 months
      if( endDate.getTime() - startDate.getTime() > maxDelta ) { //max 3 month reservation
         alert(err_wrong_ci_90max);
         return false;
      } else if( endDate.getTime() - startDate.getTime() <= 0 ) { //check-out date before check-in date
         alert(err_co_before_ci);
         return false;
      }


      //set html select values
      myf.sd.value = start_day;
      myf.sm.value = mysm;
      myf.sy.value = mysy;

      myf.ed.value = end_day;
      myf.em.value = myem;
      myf.ey.value = myey;
      return true;

   }

   return true;
}

function clearAll( form ) {
   form.checkin_monthday.selectedIndex = 0;
   form.checkin_year_month.selectedIndex = 0;
   form.checkout_monthday.selectedIndex = 0;
   form.checkout_year_month.selectedIndex = 0;
   form.pval.selectedIndex = 0;
   form.rval.selectedIndex = 0;

}

function checkSelNum( cb ) {
   if( cb != null && cb.selectedIndex == 0 ) { clearAll(cb.form); return true; }
}

function StartDateCheck( cb ) {
   // disabilita il controllo
   return;

   if( cb != null && cb.selectedIndex == 0 ) { clearAll(cb.form); return true; }

   var myf = !cb ? document.vSearch : cb.form;
   if(!myf) myf = document.vSearch;
   var today = new Date();
   var day = today.getDate();
   var month = today.getMonth() + 1 ;
   var year = today.getFullYear();

   var mysd = myf.checkin_monthday.selectedIndex;
   if (mysd == 0) { return true; }

   var tmp = myf.checkin_year_month.selectedIndex;
   if (tmp == 0) { return true; }

   var smy = new String(myf.checkin_year_month[tmp].value).split('/');
   var mysm = new Number(smy[0]);
   var mysy = new Number(smy[1]);

   if (mysd == 31) {
      if ((mysm == 4) || (mysm == 6) || (mysm == 9) || (mysm == 11)) mysd = 30;
   }
   if ((mysd > 29) && (mysm == 2)) mysd = 29;
   if ((mysy %4 != 0) && (mysm == 2) && (mysd > 28)) mysd = 28;


   //bug 2396
   if (mysm == month && mysy == year){
      if (mysd < day)
         mysd = day
   }// end bug 2396

   myf.checkin_monthday.selectedIndex = mysd;

   var myed = mysd + 1;
   var myem = mysm;
   var myey = mysy;
   if (myed > 31) myed = -1;
   if (myed == 31) {
      if ((myem == 4) || (myem == 6) || (myem == 9) || (myem == 11)) myed = -1;
   }
   if ((myed > 29) && (myem == 2)) myed = -1;
   if ((myey %4 != 0) && (myem == 2) && (myed > 28)) myed = -1;

   if (myed == -1) { myed = 1;   tmp = tmp + 1; }
   if (tmp >= myf.checkout_year_month.options.length) {
      myed = myf.checkin_monthday.selectedIndex
      tmp  = myf.checkin_year_month.selectedIndex;
   }

   if( myf.checkout_monthday.selectedIndex == 0 && myf.checkout_year_month.selectedIndex == 0 )
   {
      myf.checkout_monthday.selectedIndex = myed;
      myf.checkout_year_month.selectedIndex = tmp;
   }
}



function EndDateCheck( cb ) {

    // disabilita il controllo
   return;
   if( cb != null && cb.selectedIndex == 0 ) { clearAll(cb.form); return true; }

   var today   = new Date();
   var day     = today.getDate();
   var month   = today.get = today.getMonth() + 1 ;
   var year    = today.getFullYear();
   if(!cb)
      myf = document.vSearch;
   else
      myf = cb.form;
   if(!myf) myf = document.vSearch;

   myed = myf.checkout_monthday.selectedIndex;
   if (myed == 0) return true;

   tmp = myf.checkout_year_month.selectedIndex;
   if (tmp == 0) return true;

   var emy = new String(myf.checkout_year_month[tmp].value).split('/');
   var myem = new Number(emy[0]);
   var myey = new Number(emy[1]);

   if (myed == 31) {
      if ((myem == 4) || (myem == 6) || (myem == 9) || (myem == 11)) myed = 30;
   }
   if ((myed > 29) && (myem == 2)) myed = 29;
   if ((myey %4 != 0) && (myem == 2) && (myed > 28)) myed = 28;

   if (myem == month && myey == year){
      if (myed < day)
         myed = day
   }

   // extra check on start - end date range
   var smy = new String(myf.checkin_year_month.value).split('/');
   var sm  = new Number(smy[0]);
   var sy  = new Number(smy[1]);
   var sd = myf.checkin_monthday.value;

   var startDate = new Date(sy,sm-1,sd);
   var endDate = new Date(myey,myem-1,myed);
   var maxDelta = 90 * 24 * 3600 * 1000; // 3 months
   if( endDate.getTime() - startDate.getTime() > maxDelta ) { //max 3 month reservation
      endDate.setTime( startDate.getTime()+maxDelta );
      myed = String(endDate.getDate()); while( myed.length < 2 ) myed = String("0") + myed;
      myem = String(endDate.getMonth()+1); while( myem.length < 2 ) myem = String("0") + myem;
      myey = String(endDate.getFullYear());
      // reset month / year combo box
      myf.checkout_year_month.value = String(myem) + "/" + myey;
   }

   myf.checkout_monthday.selectedIndex = myed;

}

function CheckSearchForm(form) {
   sel_sd   = myf.checkin_monthday.selectedIndex;
   sel_smy  = myf.checkin_year_month.selectedIndex;
   sel_ed   = myf.checkout_monthday.selectedIndex;
   sel_emy  = myf.checkout_year_month.selectedIndex;
   sel_pval = myf.pval.selectedIndex;
   sel_rval = myf.rval.selectedIndex;

}


function getArgs() {
    var args = new Object();
    var query = location.search.substring(1);
    var pairs = query.split("&");
    for(var i = 0; i < pairs.length; i++)
    {
        var pos = pairs[i].indexOf('=');
        if (pos == -1) continue;
        var argname = pairs[i].substring(0,pos);
        var value = pairs[i].substring(pos+1);
        args[argname] = value;
        }
        return args;
}



function padZero( i ) {
    var result = String(i);
    while( result.length < 2 ) result = String(0) + result;
    return result;
}

function renderOptions(month,lan) {
//alert(' lan='+lan);
    if(!lan){
      setCalLang('en');
    }else{
      setCalLang(lan);
    }
    var now = new Date();
    var result = "<option value=''>---</option>";
    for( i = now.getMonth(); i < 12 + now.getMonth(); i++ ) {
        var m = i % 12 +1;
        var y = now.getFullYear() + Math.floor(i / 12);
        var sel=(month==m ? ' selected ' : '');
   // result += "<option value='" +padZero(m)+"/"+y+ "'"+sel+">" + months[m-1]+" "+ y + "</option>";
        result += "<option value='"+y+"-"+padZero(m)+"'"+sel+">" + months[m-1]+" "+ y + "</option>";
    }
    return result;
}
function set_hidden() {
      gd= window.document.vSearch.checkin_monthday.value;
      window.document.vSearch.sd.value=gd;

      gx= window.document.vSearch.checkin_year_month.value;
      gy=gx.substring(0,4);  // anno di ci
      gm=gx.substring(5,7);  // mese di ci

      window.document.vSearch.sm.value=gm;
      window.document.vSearch.sy.value=gy;

      gd1= window.document.vSearch.checkout_monthday.value;
      window.document.vSearch.ed.value=gd1;

      gx1= window.document.vSearch.checkout_year_month.value;
      gy1=gx1.substring(0,4);  // anno di co
      gm1=gx1.substring(5,7);  // mese di co
      window.document.vSearch.em.value=gm1;
      window.document.vSearch.ey.value=gy1;

   }