function RoomType(rt_id, rt_name, noofChildren, noofAdults)
	{
		this.id = rt_id;
		this.name = rt_name;
		this.childrenNum = noofChildren;
		this.adultNum = noofAdults;
	}
	
	function determineDate(aDateStr) {
		theDate = new String(aDateStr);

		// format the date entered to the appropriate date format...		
		day = theDate.substring(0, 2);
		month = theDate.substring(3, 5);
		year = theDate.substring(6, 10);

		properDate = new Date(month+'/'+day+'/'+year);
		return properDate;
	}
	
	function ltrim ( s )
	{
		return s.replace( /^\s*/, "" );
	}

	function rtrim ( s )
	{
		return s.replace( /\s*$/, "" );
	}

	function trim ( s )
	{
		return rtrim(ltrim(s));
	}

/**
 * DHTML date validation script for dd/mm/yyyy. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=1900;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function isDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		alert("The date format should be : dd/mm/yyyy")
		return false
	}
	if (strMonth.length<1 || month<1 || month>12){
		//alert("The date entered is invalid - please check the month and day you have specified.")
		return false
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		//alert("The date entered is invalid - please enter a valid day")
		return false
	}
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear){
		//alert("Please enter a valid 4 digit year between "+minYear+" and "+maxYear)
		return false
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		//alert("Please enter a valid date")
		return false
	}
return true
}	

function formatDate(dateformat, day, month, year) {
	if (dateformat == "DD/MM/YYYY")
		return day+"/"+month+"/"+year;
	else
	if (dateformat == "YYYYMMDD")
	  	return year+month+day;
	else  
		return month+"/"+day+"/"+year;
}

function validateSpecialBooking()
{
	// ruan to add validation.
	fv = new formValidator();
	
	if (fv.isEmpty("fName"))	
		fv.raiseError("Please specify your name.");
		
	if (fv.isEmpty("lName"))	
		fv.raiseError("Please specify your surname.");
		
	if (fv.isEmpty("email"))
		fv.raiseError("Please specify your email.");	
	else
	{
		if (!fv.isEmailAddress("email"))	
			fv.raiseError("Please specify a valid email.");	
	}
	
	if (fv.isEmpty("tNum"))	
		fv.raiseError("Please specify your phone number.");
	else
	{
		if (!fv.isNumber("tNum"))	
			fv.raiseError("Please specify a valid phone number.");	
	}
	
	/* check the dates correct: 
		1) they are valid
		2) the arrival date occurs BEFORE the departure date
		3) both dates occur in the future
	*/
	
//dd/mm/yyyy - arrival and departure date format
 	 if (isDate(formatDate("DD/MM/YYYY", document.SpecialPack.Arrival_Date_Day.value, document.SpecialPack.Arrival_Date_Month.value, document.SpecialPack.Arrival_Date_Year.value))==false)
	fv.raiseError("The arrival date is not a valid date.");

  if (isDate(formatDate("DD/MM/YYYY", document.SpecialPack.Departure_Date_Day.value, document.SpecialPack.Departure_Date_Month.value, document.SpecialPack.Departure_Date_Year.value))==false)
	fv.raiseError("The departure date is not a valid date.");

  // MM/DD/YYYY
  if (formatDate("YYYYMMDD", document.SpecialPack.Arrival_Date_Day.value, document.SpecialPack.Arrival_Date_Month.value, document.SpecialPack.Arrival_Date_Year.value) >= formatDate("YYYYMMDD", document.SpecialPack.Departure_Date_Day.value, document.SpecialPack.Departure_Date_Month.value, document.SpecialPack.Departure_Date_Year.value)) {
  	fv.raiseError("The arrival date must occur before the departure date.");
  }
  
  var d = new Date();
  Year = new String(d.getYear());
  Month = d.getMonth()+1;
  if (Month < 10)
    Month = "0"+Month;
	
  Day = d.getDate();
  if (Day < 10)
    Day = "0"+Day;

  aVal = Year+Month+Day;
  
  //MM/DD/YYYY
  if (formatDate("YYYYMMDD", document.SpecialPack.Arrival_Date_Day.value, document.SpecialPack.Arrival_Date_Month.value, document.SpecialPack.Arrival_Date_Year.value) < aVal) {
  	fv.raiseError("Reservations will only be allowed for future dates i.e. Arrival date must occur today or in the future.");
  }	
		
	if (fv.numErrors() > 0)
	{
		fv.displayErrors();
		return false;
	}
	else
		return true;	
	
}

function validateActivityBooking()
{
	// ruan to add validation.
	fv = new formValidator();
	
	if (fv.isEmpty("fName"))	
		fv.raiseError("Please specify your name.");
		
	if (fv.isEmpty("lName"))	
		fv.raiseError("Please specify your surname.");
		
	if (fv.isEmpty("email"))
		fv.raiseError("Please specify your email.");	
	else
	{
		if (!fv.isEmailAddress("email"))	
			fv.raiseError("Please specify a valid email.");	
	}
	
	if (fv.isEmpty("tNum"))	
		fv.raiseError("Please specify your phone number.");
	else
	{
		if (!fv.isNumber("tNum"))	
			fv.raiseError("Please specify a valid phone number.");	
	}

	if (fv.isEmpty("adults"))	
		fv.raiseError("Please specify the number of adults.");
		
	if (fv.isEmpty("comments"))	
		fv.raiseError("Please specify the a question / comment.");
		
	if (fv.numErrors() > 0)
	{
		fv.displayErrors();
		return false;
	}
	else
		return true;	
	
}