var weekStartsOnSunday = true;  // true = Start the week on Sunday, false = start the week on Monday

// Format of current day at the bottom of the calendar
// [dayString] = day of week (examle: mon, tue, wed...)
// [UCFdayString] = day of week (examle: Mon, Tue, Wed...) ( First letter in uppercase)
// [day] = Day of month, 1..31
// [monthString] = Name of current month
// [year] = Current year
var pathToImages = '/tridion/images/';
var pathToImagesFromGG = 'http://www.virgin-atlantic.com/tridion/images/';

var calendar_offsetTop = 0;
var calendar_offsetLeft = 0;
var ifgg = false;

function getPathToImages() {
  if (ifgg) {
    return pathToImagesFromGG;
  }
  else {
    return pathToImages;
  }
}

var calendarDiv;
var calendarId;
var calendarToCloseId;
// represents the input date field
var inputField;
var noDateToDisplay;
var triedToSetReturnDateToDepartDate=false;
var wasBefore;
/**
 * The first active date of the current calendar.
 */
var startDate;
/**
 * The last active date of the current calendar.
 */
var endDate;

var MSIE = false;
var Opera = false;
//For userAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en) AppleWebKit/522.15.5 (KHTML, like Gecko) Version/3.0.3 Safari/522.15.5
var Safari = false; 
//For userAgent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en) AppleWebKit/419.2 (KHTML, like Gecko) Safari/419.3
//For useAgent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/312.5.1 (KHTML, like Gecko) Safari/312.3.1
var Safari_Macintosh = false;
if(navigator.userAgent.indexOf('MSIE')>=0 && navigator.userAgent.indexOf('Opera')<0)MSIE=true;
if(navigator.userAgent.indexOf('Opera')>=0)Opera=true;
if(navigator.userAgent.indexOf('Safari/522.15.5')>=0)Safari=true; 
if(navigator.userAgent.indexOf('Safari/312')>=0 || navigator.userAgent.indexOf('Safari/417')>=0 || navigator.userAgent.indexOf('Safari/419')>=0)Safari_Macintosh=true;

var monthArray = ['January','February','March','April','May','June','July','August','September','October','November','December'];
var dayArray = ['M','T','W','T','F','S','S'];
var closeText = 'Close';
var diffReturnDepart;

if (weekStartsOnSunday) {
   var tempDayName = dayArray[6];
   for(var theIx = 6; theIx > 0; theIx--) {
      dayArray[theIx] = dayArray[theIx-1];
   }
   dayArray[0] = tempDayName;
}

var daysInMonthArray = [31,28,31,30,31,30,31,31,30,31,30,31];
var currentMonth;
var currentYear;
var tmpDay;
var calendarContentDiv;
var returnDateTo = 'dd/mm/yy';
var returnFormat;
var regionalFormat;
var activeSelectBoxMonth;
var activeSelectBoxYear;

var iframeObj = false;
//// fix for EI frame problem on time dropdowns 09/30/2006
var iframeObj2 =false;

//global variables to identify the departure/arrival ids of the html elements involved
var departureElementId = 'departureDate';
var arrivalElementId = 'returnDate';

function initElementIds(departureId, arrivalId){
  departureElementId = departureId;
  arrivalElementId = arrivalId;
}

function EIS_FIX_EI1(where2fixit)
{

    if(!iframeObj2)return;
    iframeObj2.style.display = 'block';
    iframeObj2.style.height =document.getElementById(where2fixit).offsetHeight+1;
    iframeObj2.style.width=document.getElementById(where2fixit).offsetWidth;
    iframeObj2.style.left=getleftPos(document.getElementById(where2fixit))+1-calendar_offsetLeft;
    iframeObj2.style.top=getTopPos(document.getElementById(where2fixit))-document.getElementById(where2fixit).offsetHeight-calendar_offsetTop;
}

function EIS_Hide_Frame()
{   if(iframeObj2)iframeObj2.style.display = 'none';}
//// fix for EI frame problem on time dropdowns 09/30/2006

var inputYear;
var inputMonth;
var inputDay;
var calendarDisplayTime = false;

var selectBoxMovementInProgress = false;

function cancelCalendarEvent()
{
  return false;
}
function isLeapYear(inputYear)
{
  if(inputYear%400==0||(inputYear%4==0&&inputYear%100!=0)) return true;
  return false;

}

/*
 *Verifies if one of the calendar's arrows should not be displayed. This means that 
 will be no navigation to the previous month if the left arrow is not displayed.
 */
function displayArrows(){
  var d = new Date();
  var left = document.getElementById('leftLink'+calendarId);
  var right = document.getElementById('rightLink'+calendarId);
  var leftImg = document.getElementById('leftImg'+calendarId);
  var rightImg = document.getElementById('rightImg'+calendarId);
  if (((currentYear/1) > (d.getFullYear()/1+1)) || ((currentYear/1) == (d.getFullYear()/1+1) && currentMonth+1 >= d.getMonth())){
    rightImg.style.visibility = 'hidden';
    right.style.display = 'none';
  }else{
    rightImg.style.visibility = 'visible';    
    right.style.display = 'inline';
  }
  
  if (((currentYear/1) < startDate.getFullYear()) || (currentMonth <= startDate.getMonth() && currentYear == startDate.getFullYear())){
    leftImg.style.visibility = 'hidden';
    left.style.display = 'none';
  }else{
    leftImg.style.visibility = 'visible';    
    left.style.display = 'inline';
  }
}

/*
 * Called when the calendar's left arrow is pressed. Goes back with a month
 */
function switchMonthLeft(){
  var d = new Date();
  if (currentMonth >= 0){
    if ((currentMonth == 0)){
      currentMonth = 11;
      currentYear = currentYear/1 - 1;
    }
    else{
      currentMonth = currentMonth-1;
    } 
  }
  writeCalendarContent();
  displayArrows();
}

/*
 * Called when the calendar's right arrow is pressed. Goes ahead with a month
 */
function switchMonthRight(){
  var d = new Date();
  if (currentMonth >= 0){
    if ((currentMonth < 11)){
      currentMonth = currentMonth+1;
    }
    else{
      currentMonth = 0;
      currentYear = currentYear/1+1;
    }
  }
  writeCalendarContent(calendarId);
  displayArrows();
}

/**
 * Close calendar
 */
function closeCalendar(calendarToClose){
  if (calendarToClose) {
    calendar = document.getElementById('calendarDiv'+calendarId);
    if (calendar){
      //In this case we have the other calendar opened and we will close it
      calendar.style.display='none';
    }
  }
  else{
    if(calendarDiv){
      calendarDiv.style.display='none';
    }
  }
  if(iframeObj){
    iframeObj.style.display='none';
    //// //// fix for EI frame problem on time dropdowns 09/30/2006
    EIS_Hide_Frame();
  } 
  //Without this check, on Safari the calendar doesn't close anymore
  if (!Safari){
    if (!inputField.disabled) {
      try { 
      inputField.focus();
      } catch(e) {} // suppress focus errors  - necessary for IEs
    }
  }       
}

/**
 * Closes the calendar with the id given as parameter.
 */
function closeCalendarById(calendarToClose) {
  if (calendarToClose) {
    if (calendarToClose==calendarId) {
      closeCalendar(calendarToClose);
    }
  }
}

/*
Function used to create the top bar which containd the left arrow, month and year and right arrow
*/
function writeTopBar(calendarId){
  var topBar = document.createElement('TABLE');
  topBar.className = 'boxCopy tableIndent';
  topBar.id = 'topBar';
  topBar.width = '100%';
  calendarDiv.appendChild(topBar);
  
  var topBody = document.createElement('TBODY');
  topBar.appendChild(topBody);
  
  var row = topBody.insertRow(-1);
  row.style.width = '100%';
  // Left arrow
  var leftDiv = row.insertCell(-1);
  leftDiv.id = 'leftArrow'+calendarId;
  leftDiv.align = 'left';
  leftDiv.style.width = '15%';
  leftDiv.style.paddingLeft = '4px';

  var leftLink = document.createElement('A');
  leftLink.id = 'leftLink'+calendarId;
  leftLink.className = 'calLink';
  leftLink.href = 'javascript:switchMonthLeft()';
  
  var img = document.createElement('IMG');
  img.id = 'leftImg'+calendarId;
  img.src = getPathToImages() + 'special_offer_arrow_left_tcm4-10335.gif';
  img.style.height = '20px';
  img.style.width = '34px';
  
  leftLink.appendChild(img);
  leftDiv.appendChild(leftLink);
  if(Opera)leftDiv.style.width = '34px';
  
  //Month field
  var monthDiv = row.insertCell(-1);
  monthDiv.id = 'monthSelect'+calendarId;
  monthDiv.className = 'monthSpan';
  monthDiv.style.width = '70%';
  var span = document.createElement('SPAN');
  span.id = 'calendar_month_txt'+calendarId;
  monthDiv.appendChild(span);
  
  // Right arrow
  var rightDiv = row.insertCell(-1);
  rightDiv.id = 'rightArrow'+calendarId;
  rightDiv.align = 'right';
  rightDiv.style.width = '15%';
  rightDiv.style.marginRight = '1px';
  rightDiv.style.paddingRight = '4px';
  
  var rightLink = document.createElement('A');
  rightLink.id = 'rightLink'+calendarId;
  rightLink.className = 'calLink';
  rightLink.href = 'javascript:switchMonthRight()'; 
    
  var imgRight = document.createElement('IMG');
  imgRight.id = 'rightImg'+calendarId;
  imgRight.src = getPathToImages() + 'special_offer_arrow_right_tcm4-10336.gif';
  imgRight.style.height = '20px';
  imgRight.style.width = '34px';
  
  rightLink.appendChild(imgRight);
  rightDiv.appendChild(rightLink);
  if(Opera)rightDiv.style.width = '34px';
}

/*
* Creates the table with the calendar content
*/
function writeCalendarContent()
{
  var calendarContentDivExists = true;
  calendarContentDiv = document.getElementById('content'+calendarId);
  if(!calendarContentDiv){
    calendarContentDiv = document.createElement('DIV');
    calendarContentDiv.id = 'content'+calendarId;
    calendarDiv.appendChild(calendarContentDiv);
    calendarContentDivExists = false;
  }
  
  var d = new Date();
  d.setHours(0, 0, 0, 0);
  if(!currentYear){
    currentMonth = d.getMonth();
    currentYear = d.getFullYear();
  }
  else {
  	var extendedStartDate = new Date(startDate.getFullYear(), startDate.getMonth(), 1);
  	var firstCalendarDate = new Date(currentYear, currentMonth, 1);
  	if ((firstCalendarDate - extendedStartDate < 0) || (endDate - firstCalendarDate < 0)) {
      currentMonth = startDate.getMonth();
      currentYear = startDate.getFullYear();  	
  	}
  }
  currentMonth = currentMonth/1;
  d.setDate(1);
  d.setMonth(currentMonth);
  d.setFullYear(currentYear);

  var dayStartOfMonth = d.getDay();
  if (! weekStartsOnSunday) {
      if(dayStartOfMonth==0)dayStartOfMonth=7;
      dayStartOfMonth--;
   }

  document.getElementById('calendar_month_txt'+calendarId).innerHTML = monthArray[currentMonth]+ " " +currentYear;

  var existingTable = calendarContentDiv.getElementsByTagName('TABLE');
  if(existingTable.length>0){
    calendarContentDiv.removeChild(existingTable[0]);
  }

  var calTable = document.createElement('TABLE');
  calTable.className = 'calTablePopup boxContainer borderPurple';
  calTable.width = '100%';
  calTable.cellSpacing = '0';
  calTable.cellpadding = '3';
  calendarContentDiv.appendChild(calTable);

  var calTBody = document.createElement('TBODY');
  calTable.appendChild(calTBody);
  
  //Insert the first row of the table, the one with the week days letters
  var row = calTBody.insertRow(-1);
  row.className = 'boxPurple copyWhiteBold';
  for(var no=0;no<dayArray.length;no++){
    var cell = row.insertCell(-1);
    cell.innerHTML = dayArray[no];
  }

  var row = calTBody.insertRow(-1);
  row.className = 'boxGrey';

  for(var no=0;no<dayStartOfMonth;no++){
    var cell = row.insertCell(-1);
    cell.innerHTML = '&nbsp;';
  }

  var colCounter = dayStartOfMonth;
  var daysInMonth = daysInMonthArray[currentMonth];
  if(daysInMonth==28){
    if(isLeapYear(currentYear))daysInMonth=29;
  }
  var rowNo=0;
  for(var no=1;no<=daysInMonth;no++){
    d.setDate(no);
    if(colCounter>0 && colCounter%7==0){
      row = calTBody.insertRow(-1);
      if (rowNo%2==0){
        row.className = 'boxWhite';
      }
      else{
        row.className = 'boxGrey';
      }
      rowNo++;
    }
    var cell = row.insertCell(-1);
    
    if ((d - startDate >= 0) && (endDate - d >= 0)) {
      var cellLink = document.createElement('A');
      cellLink.innerHTML = no;
      cellLink.href = 'javascript:void(0)';
      cellLink.title = no;
      cellLink.onclick = pickDateAndClose;
      cell.appendChild(cellLink);
    }else{
      cell.innerHTML = no;
    }
    colCounter++;
  }
  //Add the remaining empty cells
  while (colCounter%7 != 0){
    var cell = row.insertCell(-1);
    cell.innerHTML = '&nbsp;';
    colCounter++;
  }
  
  if(!document.all){
    if(calendarContentDiv.offsetHeight)
      document.getElementById('topBar').style.top = calendarContentDiv.offsetHeight + document.getElementById('topBar').offsetHeight -1 + 'px';
    else{
      document.getElementById('topBar').style.top = '';
      document.getElementById('topBar').style.bottom = '0px';
    }
  }

  if(iframeObj){
    if(!calendarContentDivExists)setTimeout('resizeIframe()',350);else setTimeout('resizeIframe()',10);
  }
}

function resizeIframe()
{
  iframeObj.style.width = calendarDiv.offsetWidth + 'px';
  iframeObj.style.height = calendarDiv.offsetHeight + 'px' ;
}

/*
 *Verifies if the date field is the default value
 */
function verifyIfDefaultDate(elementId){
  var field = document.getElementById(elementId);
  if (field != null && field.value == regionalFormat.toUpperCase()){
    return true;
  }
  else{
    return false;
  }
}

function pickDateAndClose(e,inputDate){
  if(!inputDate && this){
    day = this.innerHTML;
    }
    else{
      day = inputDate;
    }
  pickDate(day);
  closeCalendar();
}

function pickDate(day){
  var month = currentMonth/1 +1;
  if(month<10)month = '0' + month;
  if(day/1<10)day = '0' + day;
  if(returnFormat){
    returnFormat = returnFormat.replace('dd',day);
    returnFormat = returnFormat.replace('mm',month);
    var displayYear = "" + currentYear;
    if (displayYear.length == 4){
      //In this case the date is selected from the calendar
      returnFormat = returnFormat.replace('yy',displayYear.substring(2));
    }
    else{
      //In this case the date is typed
      returnFormat = returnFormat.replace('yy',currentYear);
    }

    returnDateTo.value = returnFormat;
    if(calendarToCloseId == arrivalElementId){
    	var departureDate = parseDateFromString(returnFormat);
    	if ((departureDate != null) && (departureDate - startDate >= 0) && (departureDate - endDate <= 0)) {
        var returnDateSpan = document.getElementById('calendar_month_txt'+calendarToCloseId);
        if (!returnDateSpan && verifyIfDefaultDate(arrivalElementId)){
          var returnDateField = document.getElementById(arrivalElementId);
          if (!returnDateField.disabled) {
            if (diffReturnDepart != null) {
              var returnDate = departureDate;
              returnDate.setDate(returnDate.getDate() + diffReturnDepart);
              var returnDateString = getDateAsString(returnDate);
              returnDateField.value = returnDateString;
            }
            else {
             returnDateField.value = returnFormat;
            }
          }
        }
    	}
    }
  }
}

function getDateAsString(date) {
  var dateString = regionalFormat;
  dateString = dateString.replace('yy', getYearString(date));
  dateString = dateString.replace('mm', getMonth(date));
  dateString = dateString.replace('dd', getDay(date));
  return dateString;
}

function getYearString(date) {
  var yearString = "" +  date.getFullYear();
  var yearString2 = yearString.substring(2);
  return yearString2;
}

function getMonth(date) {
  var month = date.getMonth()/1 +1;
  if(month<10)month = '0' + month;
  return month;
}

function getDay(date) {
  var day = date.getDate();
  if(day/1<10)day = '0' + day;
  return day;
}

function writeCloseBar(calendarDiv){
  var closeDiv = document.createElement('DIV');
  closeDiv.id = 'closeBar';
  //closeDiv.style.position = 'absolute';
  //closeDiv.style.margin-bottom = '0px';
  closeDiv.className = 'boxCopy';
  var link = document.createElement('A');
  link.href = 'javascript:closeCalendar()';
  link.className = 'buttonPos boxLink';
  link.innerHTML = closeText;
  
  closeDiv.appendChild(link);
  calendarDiv.appendChild(closeDiv);
}

function getTopPos(inputObj) {
  if (ifgg) {
    return calendar_offsetTop;
  }

  var returnValue = inputObj.offsetTop + inputObj.offsetHeight;
  while((inputObj = inputObj.offsetParent) != null)returnValue += inputObj.offsetTop;
  return returnValue + calendar_offsetTop;
}

function getleftPos(inputObj)
{
  var returnValue = inputObj.offsetLeft;
  while((inputObj = inputObj.offsetParent) != null)returnValue += inputObj.offsetLeft;
  if (ifgg) {
    return returnValue - 208;
  }
  return returnValue + calendar_offsetLeft;
}

function positionCalendar(inputObj, calendarDiv)
{
  calendarDiv.style.left = getleftPos(inputObj) + 'px';
  calendarDiv.style.top = getTopPos(inputObj) + 'px';
  if(iframeObj){
    iframeObj.style.left = calendarDiv.style.left;
    iframeObj.style.top =  calendarDiv.style.top;
    //// fix for EI frame problem on time dropdowns 09/30/2006
    iframeObj2.style.left = calendarDiv.style.left;
    iframeObj2.style.top =  calendarDiv.style.top;
  }
}

function initCalendar(calendarId)
{ 
  if(MSIE){
    iframeObj = document.createElement('IFRAME');
    iframeObj.style.filter = 'alpha(opacity=0)';
    iframeObj.style.position = 'absolute';
    iframeObj.border='0px';
    iframeObj.style.border = '0px';
    iframeObj.style.backgroundColor = '#FF0000';
    //// fix for EI frame problem on time dropdowns 09/30/2006
    iframeObj2 = document.createElement('IFRAME');
    iframeObj2.style.position = 'absolute';
    iframeObj2.border='0px';
    iframeObj2.style.border = '0px';
    iframeObj2.style.height = '1px';
    iframeObj2.style.width = '1px';
    //// fix for EI frame problem on time dropdowns 09/30/2006
    // Added fixed for HTTPS
    iframeObj2.src = '/images/spacer.gif';
    iframeObj.src = '/images/spacer.gif';
    document.body.appendChild(iframeObj2);  // gfb move this down AFTER the .src is set
    document.body.appendChild(iframeObj);
  }

  calendarDiv = document.createElement('DIV');
  calendarDiv.id = 'calendarDiv'+calendarId;
  calendarDiv.className = 'calendarDiv';
  calendarDiv.style.zIndex = 1000;

  document.body.appendChild(calendarDiv);
  writeTopBar(calendarId);
  writeCalendarContent();
  writeCloseBar(calendarDiv);
  displayArrows();
}

function calendarSortItems(a,b)
{
  return a/1 - b/1;
}

function displayCalendar(inputFieldVar,format,calendarId1,calendarToClose,diffReturnDepart1,fromGG,offsetTop){
  diffReturnDepart = diffReturnDepart1;
  ifgg = fromGG;
  inputField = inputFieldVar;
  regionalFormat = format;
  if (offsetTop != null) {
    calendar_offsetTop = offsetTop;
  }
  triedToSetReturnDateToDepartDate = false;
  //If the other calendar is opened, than it must be closed
  closeCalendar(calendarToClose);
  calendarId = calendarId1;
  calendarToCloseId = calendarToClose;
  //determine the last active date displayed in the current calendar
  endDate = new Date();
  endDate.setHours(0, 0, 0, 0);
  endDate.setDate(endDate.getDate() + 1);
  endDate.setMonth(endDate.getMonth() - 1);
  endDate.setYear(endDate.getFullYear() + 1);
  //determine the first active date displayed in the current calendar
  startDate = null;
  var departureDate = parseDateFromString(document.getElementById(departureElementId).value);
  if (departureDate != null){
	  //Set with the selected departure date values 
	  currentMonth = departureDate.getMonth();
	  currentYear = departureDate.getFullYear();
  }
  else{
	  currentMonth = null;
	  currentYear = null;
  }
  if (calendarToCloseId == departureElementId) {
    var departureDateCalendar = document.getElementById(calendarToCloseId);
    //var departureDate = parseDateFromString(departureDateCalendar.value);
    var currentDate = new Date();
    currentDate.setHours(0, 0, 0, 0);
    if ((departureDate != null) && (departureDate - currentDate >= 0) && (departureDate - endDate <= 0)) {
      startDate = departureDate;
      if (diffReturnDepart!=null) {
        startDate.setDate(startDate.getDate() + diffReturnDepart);
        endDate.setDate(endDate.getDate() + diffReturnDepart);
      }
    } 
  }
  if (startDate == null) {
    startDate = new Date();
    startDate.setHours(0, 0, 0, 0);
  }
  
  createDate(inputField,format);
    
    //This is done for the calendar displaying
    if (currentYear){
      if (currentYear.length == 2){
    currentYear = 20 + currentYear;
    }
    if (currentYear.length == 1){
    currentYear = 200 + currentYear;
    }
    }
    calendarDiv = document.getElementById('calendarDiv'+calendarId);
  if(!calendarDiv){
    initCalendar(calendarId);
  }else{
    if(calendarDiv.style.display=='block'){
      closeCalendar();
      return false;
    }
    writeCalendarContent();
    displayArrows();
  }
  
  returnFormat = format;
  returnDateTo = inputField;
  positionCalendar(inputFieldVar, calendarDiv);
  calendarDiv.style.visibility = 'visible';
  calendarDiv.style.display = 'block';
  if(iframeObj){
    iframeObj.style.display = '';
    iframeObj.style.height = '140px';
    iframeObj.style.width = '195px';
        iframeObj2.style.display = '';
    iframeObj2.style.height = '140px';
    iframeObj2.style.width = '195px';
  }
} 
/*
* Takes the input data value and creates the data
*/
function createDate(inputFieldVar,format){
  if(inputFieldVar.value.length>0){
  if(!format.match(/^[0-9]*?$/gi)){
  var items = inputFieldVar.value.split(/[^0-9]/gi);
  //In IE if the date is set the items length is 3, and if the default is "DD/MM/YY" the length is 0
  //In Mozilla if the date is set the items length is 3, and if the default is "DD/MM/YY" the length is 9
  if (items.length ==3){
    var positionArray = new Array();
    positionArray['m'] = format.indexOf('mm');
    if(positionArray['m']==-1)positionArray['m'] = format.indexOf('m');
    positionArray['d'] = format.indexOf('dd');
    if(positionArray['d']==-1)positionArray['d'] = format.indexOf('d');
    positionArray['y'] = format.indexOf('yy');
    
    var positionArrayNumeric = Array();
    positionArrayNumeric[0] = positionArray['m'];
    positionArrayNumeric[1] = positionArray['d'];
    positionArrayNumeric[2] = positionArray['y'];

    positionArrayNumeric = positionArrayNumeric.sort(calendarSortItems);
    var itemIndex = -1;
    for(var no=0;no<positionArrayNumeric.length;no++){
      if(positionArrayNumeric[no]==-1)continue;
      itemIndex++;
      if(positionArrayNumeric[no]==positionArray['m']){
        currentMonth = items[itemIndex]-1;
        if (currentMonth){
          if (currentMonth.length == 1){
            currentMonth = 0 + currentMonth;
          }
        }
        continue;
      }
      if(positionArrayNumeric[no]==positionArray['y']){
        currentYear = items[itemIndex];
        continue;
      }
      if(positionArrayNumeric[no]==positionArray['d']){
        tmpDay = items[itemIndex];
        if (tmpDay && tmpDay.length ==1){
          tmpDay = 0 + tmpDay;
        }
        continue;
      }
    }

    currentMonth = currentMonth / 1;
    tmpDay = tmpDay / 1;
    if (currentYear==0){
      noDateToDisplay = true;
    }
    
    //Verify if the date is valid
    if (currentMonth <12 && currentMonth >=0 && tmpDay != 0){
      var daysInMonth = daysInMonthArray[currentMonth];
      if(daysInMonth==28){
        if(isLeapYear(currentYear))daysInMonth=29;
      }
      if (tmpDay > daysInMonth){
        setTodaysDate();
        noDateToDisplay = true;
      }
    }else{
      setTodaysDate();
      noDateToDisplay = true;
    }
    }
    else{
      noDateToDisplay = true;
      //This means that the input value is DD/MM/YY"
      if (calendarToCloseId == departureElementId && !triedToSetReturnDateToDepartDate){
        var inputdate = document.getElementById(calendarToCloseId);
          if (!verifyIfDefaultDate(calendarToCloseId)){
          triedToSetReturnDateToDepartDate = true;
          createDate(inputdate, format);
        }
      }
    }
  }else{
    var monthPos = format.indexOf('mm');
    currentMonth = inputFieldVar.value.substr(monthPos,2)/1 -1;
    var yearPos = format.indexOf('yy');
    currentYear = inputFieldVar.value.substr(yearPos,4);
    var dayPos = format.indexOf('dd');
    tmpDay = inputFieldVar.value.substr(dayPos,2);
  }
}else{
  noDateToDisplay = true;
  var d = new Date();
  currentMonth = d.getMonth();
  currentYear = d.getFullYear();
  tmpDay = d.getDate();
}

inputYear = currentYear;
inputMonth = currentMonth;
inputDay = tmpDay/1;
}

/*
 * This function is used to change the return date, if is not set, with the value entered in the departure date field
 */
function changeDate(dateField, format){
  //This check is made for solving the IE issue in order to move cursor in the date field
  if (wasBefore && wasBefore == dateField.value){
    return;
  }
  wasBefore = dateField.value;
  noDateToDisplay = false;
  currentYear=0;
  createDate(dateField, format);
  if (!noDateToDisplay){
    returnFormat = format;
    pickDate(tmpDay);
  }
}

/**
* Sets only the date input field to be selected. This will call the displayCalendar function
*/
function displayCalendarOnClick(inputFieldVar,format,calendarId1,calendarToClose,diffReturnDepart1,fromGG,offsetTop){
  diffReturnDepart = diffReturnDepart1;
  inputFieldVar.select();
  //This is a fixed for Safari/419.3(Without this the calendar is not displayed anymore)
  //The check inputFieldVar.value == '' is done to fix the IE issue that when the input field is empty String the calendar is not displayed anymore
  if ((inputFieldVar.value == '') || Safari_Macintosh){
    displayCalendar(inputFieldVar,format,calendarId1,calendarToClose,diffReturnDepart1,fromGG,offsetTop);
  }
}

function setTodaysDate(){
  var d = new Date();
  currentMonth = d.getMonth();
  currentYear = d.getFullYear();
  tmpDay = d.getDate();
} 

/**
 * Parses the date from the given string. The expected format is DD/MM/YY. Returns null in case the given string 
 * does not contain a valid date.
 */
function parseDateFromString(depDateStr) {

  var items = depDateStr.split(/[^0-9]/gi);
  
  //In IE if the date is set the items length is 3, and if the default is "DD/MM/YY" the length is 0
  //In Mozilla if the date is set the items length is 3, and if the default is "DD/MM/YY" the length is 9
  if (items.length ==3){
  
    var dayPosition = regionalFormat.indexOf('dd') / 3;
    var monthPosition = regionalFormat.indexOf('mm') / 3;
    var yearPosition = regionalFormat.indexOf('yy') / 3;
  
  	var dateFields = depDateStr.split('/');
  	if (dateFields.length != 3) {
  		//invalid date format
  		return null;
  	}
  	if ((dateFields[0]/1 != dateFields[0]) || (dateFields[1]/1 != dateFields[1]) || dateFields[2]/1 != dateFields[2]) {
  		//some of the date fields are not numeric
  		return null;
  	}
      	
      	var day = dateFields[dayPosition]/1;
      	var month = dateFields[monthPosition]/1 - 1;
      	var year = dateFields[yearPosition]/1;
  	if (dateFields[2].length < 4) {
  		var tmpDate = new Date();
  		var century = tmpDate.getFullYear() - (tmpDate.getFullYear() % 1000);
  		year = century + year;
  	}
  	var result = new Date(year, month, day);
  	if ((result.getFullYear() != year) || (result.getMonth() != month) || (result.getDate() != day)) {
  	 //invalid date
  	 return null;
  	}
  }
  else {
  	return null;
  }
	return result;
}