var tcurrDate = new Date();
  var tcurrMonth = tcurrDate.getMonth();
  var tcurrDay = tcurrDate.getDate();
  var tcurrYear = tcurrDate.getFullYear();
  
DOMHelper = {DGE:function(x){
		return document.getElementById(x)
  }
}
dh = DOMHelper;
dh.b = dh.DGE;

Date.prototype.isNorthAmerica = function(){
	return (this.getTimezoneOffset() < 660 && this.getTimezoneOffset() > 180);
}
Date.prototype.octopusDisplayFormat = function(){
  var mm = this.getMonth()+1;
  if(mm < 10) mm = "0" + mm;
  var dd = this.getDate();
  if(dd < 10) dd = "0" + dd;
  if(this.isNorthAmerica()){
	  return mm + "/" + dd + "/" + this.getFullYear();
  }
  else{
	  return dd + "/" + mm + "/" + this.getFullYear();
  }
}

today = new Date();
dFormat = today.isNorthAmerica()?"mm/dd/yyyy":"dd/mm/yyyy";

function makeEuroDate(str){
  var vals = str.split("/");
  var nDateString = vals[1] + "/" + vals[0] + "/" + vals[2];
  return new Date(nDateString);
}
function formatDateForURL(d){
	var month = d.getMonth() + 1;
	if(month < 10) month = "0" + month;
	var date = d.getDate();
	if(date < 10) date = "0" + date;
	return d.getFullYear() + "-" + month + "-" + date;
}
function getSelectedValue(id){
	try{
		var theSelect = DGE(id);
		return theSelect.options[theSelect.options.selectedIndex].value;
	}
	catch(Error){
	   return null;
	}
}
expDate = /^\d{1,2}\/\d{1,2}\/\d{2,4}$/
function DGE(x){return document.getElementById(x)}
function validateDate(dateStr){
	if(!expDate.test(dateStr)) {return false;}
	var monthNumStr = today.isNorthAmerica() ? dateStr.split("/")[0]:dateStr.split("/")[1];
	var dateNumStr = today.isNorthAmerica()?dateStr.split("/")[1]:dateStr.split("/")[0];
	var yearNum = parseFloat(dateStr.split("/")[2]);
	var monthNum = parseFloat(monthNumStr);
	var dateNum = parseFloat(dateNumStr);
	var maxDate = 31;
	if(monthNum == 4 || monthNum == 5 || monthNum ==  6 || monthNum == 9 || monthNum == 11){
	  maxDate = 30;
	}
	else if (monthNum == 2){
	  if(yearNum %4 ==0) {maxDate = 29;}
	  else{
		 maxDate = 28;
	  }
	}
	var bValid= (dateNum <= maxDate && dateNum > 0 && monthNum <= 12 && monthNum > 0);
	return bValid;
}
function setCheckout(){
	var numNights = parseInt(DGE("nights").value);
	if(!isNaN(numNights)){
		var checkinDateVal = DGE("checkin").value;
		if(!expDate.test(checkinDateVal)){
		   alert("Please enter a valid Check in Date");
		}
		else if(!validateDate(checkinDateVal)){
		   alert("Please enter a valid Check in Date");
		}
		else{
			var tDate = today.isNorthAmerica()?new Date(checkinDateVal):makeEuroDate(checkinDateVal);
			tDate.setDate(tDate.getDate() + numNights);
		  DGE("checkout").innerHTML = tDate.octopusDisplayFormat();
		}
	}
	else{
		alert("Enter a valid number for Nights");
	}
}
function unselectRadios(){
var theRadio = null;
var radios = document.getElementsByName("destinationRadio");
for(var i=0;i<radios.length;i++){
	if(radios[i].checked==true) {
	  theRadio = radios[i];
		}
		 }
if(theRadio != null) theRadio.checked=false;
}

function resetDestination(){
	var d = dh.b("destination");
	d.options.selectedIndex=0;
}
function makeURL(){
	var destinationVal = getSelectedValue("destination");
	var dradios = document.getElementsByName("destinationRadio");
			var dradioVal = "";
            for(var i=0;i<dradios.length;i++){
               if(dradios[i].checked == true){
                 destinationVal= dradios[i].value;
                
               }
            }
	var checkinVal = DGE("checkin").value;
	var nightsVal = DGE("nights").value;
	var currencyVal = getSelectedValue("currency");
	var languageVal = getSelectedValue("language");
	var roomtypeVal = getSelectedValue("roomtype");
	var roomsVal = getSelectedValue("rooms");
	var starratingVal = getSelectedValue("starrating");
		var bErrors = false;
		var errorMsg = "";
		var linebreak = "\n";
	if(destinationVal == 0){
		errorMsg = "Please select a destination."  + linebreak;
		bErrors = true;
	}
	if(!expDate.test(checkinVal) ){
		errorMsg += "Please enter a checkin date in " + dFormat + " format."  + linebreak;
		bErrors = true;
	}
	if(!validateDate(checkinVal)){
		errorMsg += "";
		bErrors = true;
	}
	if(isNaN(parseInt(nightsVal)))
	{
		errorMsg += "Please select the number of nights"  + linebreak;
		bErrors = true;
	}
	if(bErrors){
		alert(errorMsg);
		return;
	}
	var destinationArg = "&destination=" + destinationVal;
	var checkinArg = "";
		if(!expDate.test(checkinVal)){
			alert("The checkin date you entered must be in " + dFormat + " format");
		}
		else if(!validateDate(checkinVal)){
		   alert("Please enter a valid Check in Date");
		}
		else{
			var tDate = today.isNorthAmerica()?new Date(checkinVal):makeEuroDate(checkinVal);
			checkinArg = "&checkin=" + formatDateForURL(tDate);
		}
	var nightsArg= nightsVal == ""?"":"&nights=" + nightsVal;
	var roomtypeArg = roomtypeVal == 0?"":"&roomtype=" + roomtypeVal;
	var roomsArg = roomsVal == 0?"":"&rooms=" + roomsVal;
	var currencyArg = "&currency=" + currencyVal;
	var languageArg = "&language=" + languageVal;
	var starratingArg = starratingVal == 0?"":"&starrating=" + starratingVal;
	var URLRoot = "http://www.octopustravel.com/au/HotelLink?siteid=smtravel&country=AU&language=EN&currency=AUD";
	var URL = URLRoot + destinationArg + checkinArg + nightsArg + roomtypeArg + roomsArg + languageArg + currencyArg;
	//top.location.href = URL;
	window.open(URL);
	return false;
	}
function init(){
   var co = DGE("checkout")
   var ci = DGE("checkin");
   var ciDate = new Date(today);
   ciDate.setDate(ciDate.getDate() + 0)
   ci.value = ciDate.octopusDisplayFormat();
   ciDate.setDate(ciDate.getDate() + 1);
   co.innerHTML = ciDate.octopusDisplayFormat();
}
function showHideCalendarhot(e, dateField, formName)
{
  var element = e.srcElement? e.srcElement : e.target;
  var leftPos = findPosX(element);
  var topPos = findPosY(element) + element.offsetHeight;

  if (document.getElementById("hotcalendar").style.visibility=="visible")
  {
    document.getElementById("hotcalendar").style.visibility="hidden";
  } 
  else if (document.getElementById("hotcalendar").style.visibility=="hidden")
  {
    var d = new Date();
    var currMonth = d.getMonth();
    var currYear = d.getFullYear();
    writeCalendarhot(currMonth, currYear, dateField, formName);
    document.getElementById("hotcalendar").style.visibility="visible";
    document.getElementById("hotcalendar").style.left = leftPos + 65;
    document.getElementById("hotcalendar").style.top = topPos - 100;
  }
}
function writeCalendarhot(month, year, dateField, formName)
{
  var monDate = new Date(year, month, 1);
  var firstDay = monDate.getDay();
  var monthDays = daysInMonth(month+1, year);

  var currDate = new Date();
  var currMonth = currDate.getMonth();
  var currDay = currDate.getDate();
  var currYear = currDate.getFullYear();

  var dayNames = new Array;
  dayNames.push("Sunday");
  dayNames.push("Monday");
  dayNames.push("Tuesday");
  dayNames.push("Wednesday");
  dayNames.push("Thursday");
  dayNames.push("Friday");
  dayNames.push("Saturday");
  var monthNames = new Array;
  monthNames.push("January");
  monthNames.push("Febuary");
  monthNames.push("March");
  monthNames.push("April");
  monthNames.push("Mai");
  monthNames.push("June");
  monthNames.push("July");
  monthNames.push("August");
  monthNames.push("September");
  monthNames.push("October");
  monthNames.push("November");
  monthNames.push("December");
  var htmlCode = "";
  var day = 1;
  var nextMonth;
  var prevMonth;
  var nextYear = year;
  var prevYear = year;

  // Calculate next month and year
  if (month == 11) {
      nextMonth = 00;
      ++nextYear;
  } else { nextMonth = month+1; }

  // Calculate previous month and year
  if (month == 00) {
      prevMonth = 11;
      --prevYear;
  } else { prevMonth = month-1; }

  // Start the table
  if(nextYear == (tcurrYear+1) && nextMonth == tcurrMonth+1)
{
	htmlCode = "<table border='0' cellspacing='0'>";
	htmlCode += "<tr><th colspan='7'><a href='javascript:writeCalendarhot("+prevMonth+","+prevYear+", \""+dateField+"\", \""+formName+"\")' title='Show previous month'>&lt;&lt;<\/a> "+monthNames[month]+" "+year+" &gt;&gt;<\/th><\/tr><tr>";
}
else
{
	htmlCode = "<table border='0' cellspacing='0'>";
	htmlCode += "<tr><th colspan='7'><a href='javascript:writeCalendarhot("+prevMonth+","+prevYear+", \""+dateField+"\", \""+formName+"\")' title='Show previous month'>&lt;&lt;<\/a> "+monthNames[month]+" "+year+" <a href='javascript:writeCalendarhot("+nextMonth+","+nextYear+", \""+dateField+"\", \""+formName+"\")' title='Show next month'>&gt;&gt;<\/a><\/th><\/tr><tr>";
}

  // Write the day names
  for (var i = 0; i < dayNames.length; i++)
  {
    htmlCode += "<th>"+dayNames[i].substring(0, 3)+"<\/th>";
  }
  htmlCode += "<\/tr><tr>";

  // Fill in empty values till the start of the month
  for (i = 0; i < firstDay; i++)
  {
    htmlCode += "<td>&nbsp;<\/td>";
  }

  // Fill in the rest of the week
  for (i = firstDay; i < 7; i++)
  {
	  if (year < currYear || (year == currYear && month < currMonth) || (year == currYear && month == currMonth && day < currDay))
      {
          htmlCode += "<td class='cross'>"+day+"<\/td>";
      }
      else
      {
          htmlCode += "<td><a href='javascript:setDateshot("+day+", "+month+", "+year+",\""+dateField+"\", \""+formName+"\")'>"+day+"<\/a><\/td>";
      }
      day++;
  }
  htmlCode += "<\/tr><tr>";

  // And then fill in the rest of the month
  while (day <= monthDays)
  {
    for (i = 0; i < 7; i++)
    {
      if (day <= monthDays)
      {
        if (year < currYear || (year == currYear && month < currMonth) || (year == currYear && month == currMonth && day < currDay))
        {
            htmlCode += "<td class='cross'>"+day+"<\/td>";  
        }
        else
        {
            htmlCode += "<td><a href='javascript:setDateshot("+day+", "+month+", "+year+", \""+dateField+"\", \""+formName+"\")' title='"+day+" "+monthNames[month]+" "+year+"'>"+day+"<\/a><\/td>";
        }
      }
      else
      {
        htmlCode += "<td>&nbsp;<\/td>";
      }
      day++;
    }
    htmlCode += "<\/tr><tr>";
  }
  
  htmlCode += "<\/tr><tr><td colspan='7' id='foot'><a href='javascript:;' onclick='showHideCalendarhot(event)' title='Close Calendar'>Close<\/a><\/td><\/tr><\/table>";
  document.getElementById("hotcalendar").innerHTML = htmlCode;
}
function setDateshot(dateValue, monthValue, yearValue, dateField, formName)
{
    today = new Date();
	var chkIndate = today.isNorthAmerica()?padNumber(monthValue+1)+"/"+dateValue+"/"+yearValue:dateValue+"/"+padNumber(monthValue+1)+"/"+yearValue;
	eval("document."+formName+"."+dateField+".value = chkIndate");
    setCheckout();
    document.getElementById("hotcalendar").style.visibility="hidden";
}
function padNumber(number)
{
  if (number < 10) {
    return "0"+number;
  } else { return number; }
}
function daysInMonth(month, year)
{
  if (year == null) {
    var d = new Date();
    year = d.getFullYear();
  }
  if (month == 4 || month == 6 || month == 9 || month == 11) {
    return 30;
  } else if (month == 2) {
    if (year % 4 == 0) {
      return 29;
    } else {
      return 28;
    }
  } else {
    return 31;
  }
}
function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}
function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}
function openCal(x){
  document.onkeypress = customizeCal;
  var maxdate = new Date();
  maxdate.setMonth(maxdate.getMonth() +futureMonthLimit);
  if(self.gfPop)  gfPop.fLimitPop(today.octopusDisplayFormat(),x,maxdate.octopusDisplayFormat());
}

function customizeCal(e){
	if (!self.gfPop) return;
	else gfPop.fHideCal();
	document.onkeypress=null;
}
futureMonthLimit=13;