// Array for days/months name used to build the hotel forms
// Defined in calendar-xx.js )
var months=Calendar._MN;
var days3=Calendar._SDN; 

// This function gets called when the end-user clicks on some date.
function selected(cal, date) {
cal.sel.value = date; // just update the date in the input hidden field.
if (cal.dateClicked)
{ 
// Select the same date as the calendar
// %e format : day of month range 1 - 31 (not 01 - 31)
// select option values are numbers ( 01 = 1 )
document.getElementById(cal.sel.id+"_day").value = cal.date.print('%e');

// %f format : month range 1 - 12 (not 01 - 12)
document.getElementById(cal.sel.id+"_month").value = cal.date.print('%Y-%f');

// Check date order
checkDateOrder('b_frm', 'b_checkin_day', 'b_checkin_month', 'b_checkout_day', 'b_checkout_month');  

// Close the calendar
cal.callCloseHandler();
}
}

// And this gets called when the end-user clicks on the _selected_ date,
// or clicks on the "Close" button.  It just hides the calendar without
// destroying it.
function closeHandler(cal) {
cal.hide(); // hide the calendar
//  cal.destroy();
_dynarch_popupCalendar = null;
}

// this function returns true if the passed date is special
function dateIsDisabled(year, month, day) {

var today = new Date();
TY = today.getFullYear();
TM = today.getMonth();
TD = today.getDate();

if ( year == TY && month < TM  ){
return true;
}
else if ( year == TY && month == TM && day < TD ){
return true;
}
else if ( year == (TY+1) && ( month >= TM ) ) {
return true;
}
else {
return false;
}    
}

// this is the actual date status handler.  Note that it receives the
// date object as well as separate values of year, month and date, for
// your confort.
function dateStatusHandler(date, y, m, d) {
if (dateIsDisabled(y, m, d)) return true;
else return false;
// return true above if you want to disable other dates
}

function showCalendar(id, format, showsTime, showsOtherMonths ) {
var el = document.getElementById(id);
if (_dynarch_popupCalendar != null) {
// we already have some calendar created
_dynarch_popupCalendar.hide();                 // so we hide it first.
} else {
// first-time call, create the calendar.
var cal = new Calendar(1, null, selected, closeHandler);
// uncomment the following line to hide the week numbers
cal.weekNumbers = false;
cal.showsTime = false;
cal.showsOtherMonths = true;
_dynarch_popupCalendar = cal;                  // remember it in the global var

var today = new Date();
TY = today.getFullYear();    
cal.setRange(TY, TY+1);        // min/max year allowed ( this year , this year + 1 ).

// configure it to the calendar
cal.setDisabledHandler(dateStatusHandler);

cal.create();
}
_dynarch_popupCalendar.setDateFormat(format);    // set the specified date format
_dynarch_popupCalendar.parseDate(el.value);      // try to parse the text in field
_dynarch_popupCalendar.sel = el;                 // inform it what input field we use

// the reference element that we pass to showAtElement is the button that
// triggers the calendar.  In this example we align the calendar bottom-right
// to the button.
_dynarch_popupCalendar.showAtElement(el.nextSibling, "Br");        // show the calendar

return false;
}

// Custom function
// update the hidden fields value when date is changed by the form
function changeCalDate(id)
{
var my_day = document.getElementById(id+'_day').value;
var my_yearMonth = document.getElementById(id+'_month').value;
var myObj = document.getElementById(id); 
myObj.value = my_yearMonth+'-'+my_day; 
}

var gClientIsGecko = (window.controllers) ? true : false;
var gClientIsOpera = (window.opera) ? true : false;
var gClientIsIE    = (document.all && !gClientIsOpera) ? true : false;
var gClientIsIE5   = (gClientIsIE && /MSIE 5\.0/.test(navigator.appVersion)) ? true : false;
var gClientIsMac   = (/Mac/.test(navigator.appVersion)) ? true : false;

// Basic event handling
function addListener( elm, event, handler ) {
if(elm.addEventListener)
elm.addEventListener(event, handler, false);
else if(elm.attachEvent)
elm.attachEvent('on'+event, handler);
else
elm['on'+event] = handler;
}

function removeListener( elm, event, handler ) {
if(elm.removeEventListener)
elm.removeEventListener(event, handler, false);
else if(elm.detachEvent)
elm.detachEvent('on'+event, handler);
}


function buildDaysForMonth( year, month ) {
// Month index starts on 0(-11) in Date()-object
var monthDate = new Date(year, month-1);
var orgMonth = monthDate.getMonth();
var dayArray = [], weekDay;
while(monthDate.getMonth() == orgMonth) {
// Week starts on Sunday in Date()-object
weekDay = (monthDate.getDay() == 0) ? 6 : (monthDate.getDay()-1);
dayArray.push(days3[weekDay]);
monthDate.setDate(monthDate.getDate()+1);
}
return dayArray;
}

function initDaySelect() {
var forms = document.getElementsByTagName('form');
for(var i=0; i<forms.length; i++)
if(forms[i]['checkin_monthday'])
updateDaySelect(forms[i]);
}

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 =  co.getDate();
var com = co.getMonth()+1;
/*
if ( com < 10 )
{
frm[co_month_year].value = co.getFullYear() + "-0" + com;
}
else
{
frm[co_month_year].value = co.getFullYear() + "-" + com;
}
*/
frm[co_month_year].value = co.getFullYear() + "-" + com;
}

// udpdate calendar date with the hidden field date
changeCalDate('b_checkout');
changeCalDate('b_checkin');
}
}


// Used by the "updateDaySelect" function
var DOM = {
isParentOf: function( parentElm, contextElm) {
while(contextElm && (contextElm != parentElm))
contextElm = contextElm.parentNode;
return (contextElm == parentElm);
},
getParentOrSelf: function( contextElm, nodeName ) {
nodeName = nodeName.toLowerCase();
while(contextElm.nodeName.toLowerCase() != nodeName && contextElm.parentNode)
contextElm = contextElm.parentNode;
return contextElm;
},
addClass: function( elm, className ) {
elm.className += ' '+className;
},
removeClass: function( elm, className) {
var classMatch = new RegExp('\\b'+className+'\\b', 'g');
if(classMatch.test(elm.className))
elm.className = elm.className.replace(classMatch, ' ');
}	
};

function updateDaySelect( me ) {

// 1-2 testing
if(!days3) return;

// IE5/Mac not supported
if(gClientIsIE5 && gClientIsMac)
return;

var frm = DOM.getParentOrSelf(me, 'form');

var ci_d = frm['checkin_monthday'];
var co_d = frm['checkout_monthday'];
var ci_my = frm['checkin_year_month'].value.split("-");
var co_my = frm['checkout_year_month'].value.split("-");    
var ci_sel = ci_d.selectedIndex;
var co_sel = co_d.selectedIndex;
var monthDays = [], opt;

// Checkin month
monthDays = buildDaysForMonth(ci_my[0], ci_my[1]);
ci_d.innerHTML = '';
for(var i = 0; i < monthDays.length; i++) {
opt = document.createElement('option');
// opt.innerHTML = (monthDays[i] + ' ' + (i+1));
opt.innerHTML = (i+1);
opt.value = (i+1);
ci_d.appendChild(opt);
}
ci_d.options[ci_sel].defaultSelected = ci_d.options[ci_sel].selected = true;

// Checkout month
monthDays = buildDaysForMonth(co_my[0], co_my[1]);
co_d.innerHTML = '';
for(var i = 0; i < monthDays.length; i++) {
opt = document.createElement('option');
// opt.innerHTML = (monthDays[i] + ' ' + (i+1));
opt.innerHTML = (i+1);
opt.value = (i+1);
co_d.appendChild(opt);
}
co_d.options[co_sel].defaultSelected = co_d.options[co_sel].selected = true;
}

// Switch advanced search
function advancedSearch()
{
switch (document.getElementById('advancedSearch').style.display)
{
case 'block':
document.getElementById('advancedSearch').style.display = 'none';
break;
default:
document.getElementById('advancedSearch').style.display = 'block';
break;
}
}// JavaScript Document