
<!--
// Calendar Scripting Library
// Copyright 2004-2005 CSI Manchester Ltd. All Rights Reserved.
// You may not copy, alter or redistribute this code without written permission.

var maxMonthDays = new Array(31,28,31,30,31,30,31,31,30,31,30,31,31,28,31,30,31,30,31,31,30,31,30,31,31,28,31,30,31,30,31,31,30,31,30,31);
function updateCalendars(fId,bDoDuration)
{
	//Local variables
	yFr=fId.startdate_y; mFr=fId.startdate_m; dFr=fId.startdate_d;
	//Check depart date
	maxDaysInFrMonth=maxMonthDays[mFr.selectedIndex + (yFr.selectedIndex * 12)];
	if(dFr.selectedIndex >= maxDaysInFrMonth) { dFr.selectedIndex = maxDaysInFrMonth - 1; }
	//If month already passed then move year on to next year
	if(mFr.selectedIndex < 0 && yFr.selectedIndex == 0) { yFr.selectedIndex = 1; }
	if(fId.enddate_y != undefined)
	{
		yTo=fId.enddate_y; mTo=fId.enddate_m; dTo=fId.enddate_d;
		if(bDoDuration==true)
		{
			//Alter durations
			if(dFr.selectedIndex + 8 > maxDaysInFrMonth) { dToNew = (dFr.selectedIndex + 7) - maxDaysInFrMonth; mToNew = mFr.selectedIndex + 1; }
			else { dToNew = dFr.selectedIndex + 7; mToNew = mFr.selectedIndex; }
			if(dFr.selectedIndex > dToNew && mFr.selectedIndex == 11 && yFr.selectedIndex == 2) { dToNew = 30; mToNew = 11; yToNew = 2; dFr.selectedIndex = 23; mFr.selectedIndex = 11; yFr.selectedIndex = 2; }
			else if(mFr.selectedIndex == 11 && dFr.selectedIndex > dToNew) { mToNew = 0; yToNew = yFr.selectedIndex + 1; }
			else { yToNew = yFr.selectedIndex; }
			dTo.selectedIndex = dToNew; mTo.selectedIndex = mToNew; yTo.selectedIndex = yToNew;
		}
		else
		{
			//Check return date
			maxDaysInToMonth=maxMonthDays[mTo.selectedIndex + (yTo.selectedIndex * 12)];
			if(dTo.selectedIndex >= maxDaysInToMonth) { dTo.selectedIndex = maxDaysInToMonth - 1 }
		}
	}
}
function checkTimeTravel(fId)
{
	//Local variables
	yFr=fId.startdate_y.selectedIndex; mFr=fId.startdate_m.selectedIndex; dFr=fId.startdate_d.selectedIndex;
	yTo=fId.enddate_y.selectedIndex; mTo=fId.enddate_m.selectedIndex; dTo=fId.enddate_d.selectedIndex;
	if( (yFr==yTo && mFr==mTo && dFr>dTo) || (yFr==yTo && mFr>mTo) || (yFr>yTo) )
	{ return false; }
	else
	{ return true; }
}
function checkDateBlackout(fId)
{
	if(fId.startdate_y.selectedIndex == 0 && ((fId.startdate_m.selectedIndex < 0) || (fId.startdate_m.selectedIndex == 0 && fId.startdate_d.selectedIndex <= 7)))
	{ return false; }
	else
	{ return true; }
}
function checkValidDate(fId)
{

	if(fId.startdate_y.selectedIndex == 0 && ((fId.startdate_m.selectedIndex < 0) || (fId.startdate_m.selectedIndex == 0 && fId.startdate_d.selectedIndex <= 8)))
	{ return false; }
	else

	{ return true; }
}
function daysBetweenDates(day1,month1,year1,day2,month2,year2)
{
	dtDate1 = Date.UTC(year1,month1,day1,'1','0','0');
	dtDate2 = Date.UTC(year2,month2,day2,'1','0','0');
	iAge = dtDate2 - dtDate1 + (1000*60*60*24*30);
	return parseInt((((iAge/1000)/60)/60)/24,10);
}
function checkAge(min_age, max_age, dobd, dobm, doby)
{
	if(dobd.selectedIndex == 0 || dobm.selectedIndex == 0 || doby.selectedIndex == 0)
	{ return false; }
	else if(isDate(dobd[dobd.selectedIndex].value + '/' + dobm[dobm.selectedIndex].value + '/' + doby[doby.selectedIndex].value)==false)
	{ return false; }
	else
	{
		dtTodaysDate = new Date();
		iMonth = dtTodaysDate.getMonth();              
		iDay = dtTodaysDate.getDate();                 
		iYear = dtTodaysDate.getYear();
		if(iYear < 1000) { iYear += 1900; }
		iHour = dtTodaysDate.getHours();
		iMinute = dtTodaysDate.getMinutes();
		iSecond = dtTodaysDate.getSeconds();   
		iBdy = (doby[doby.selectedIndex].value);
		iBdm = (dobm[dobm.selectedIndex].value);
		iBdd = (dobd[dobd.selectedIndex].value);
		dtBDate = Date.UTC(iBdy,iBdm,iBdd,'1','0','0');
		if(iYear < 2000)
		{ dtCDate = Date.UTC(iYear,iMonth,iDay,iHour,iMinute,iSecond); }
		else
		{ dtCDate = Date.UTC(iYear,iMonth,iDay,iHour,iMinute,iSecond); }
		iAge = dtCDate - dtBDate + (1000*60*60*24*30);
		iAge_Years = parseInt(((((iAge/1000)/60)/60)/24)/365.25,10);
		iAge_Days = parseInt((((iAge/1000)/60)/60)/24,10);
		iAge_Hrs = parseInt(((iAge/1000)/60)/60,10);
		iAge_Mins = parseInt((iAge/1000)/60,10);
		iAge_Secs = parseInt(iAge/1000,10);
		if(iAge_Years > max_age || iAge_Years < min_age)
		{ return false; }
		else
		{ return true; }
	}
}

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) { return false; }
	if (strMonth.length<1 || month<1 || month>12) { return false; }
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]) { return false; }
	if (strYear.length != 4 || year==0 || year<minYear || year>maxYear) { return false; }
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false) { return false; }
	return true;
}

function insertOptionAt (select, option, index) {
    for (var i = select.options.length; i > index; i--)
      select.options[i] = select.options[i - 1];
    select.options[index] = option;
  }

function addDuration(fId, oSelect)
{
	if(fId.startdate_y != undefined)
	{
		cindate = new Date(fId.startdate_y.value, parseInt(fId.startdate_m.value - 1), fId.startdate_d.value, 0, 0, 0);
	}
	else
	{
		//var skimonthyear=fId.startdate_m.value
		//var skimonthyear_array=skimonthyear.split("/");
		//cindate = new Date(skimonthyear_array[1], parseInt(skimonthyear_array[0]) -1, fId.startdate_d.value, 0, 0, 0);
	}
	// Amend the end date
	
	if (oSelect.options[oSelect.selectedIndex].value == 'other')
	{
		
		tmpDuration = prompt("Please enter the number of nights","")
		if ( (tmpDuration==' ') || (tmpDuration==null) || (tmpDuration == ''))
		{
			oSelect.options[0].selected = 'selected';
			return false;
			//iDuration = 7
			//tmpDuration = iDuration
			//var opt = new Option(tmpDuration + ' days', tmpDuration);
			//insertOptionAt (oSelect, opt, oSelect.options.length);
			//iDuration = parseInt(oSelect.options[oSelect.options.length-1].value);
			//oSelect.selectIndex = oSelect.options.length;
			//oSelect.options[oSelect.options.length-1].selected = 'selected';
		}
		else
		{
			for (loop=0; loop < oSelect.options.length; loop++)
			{
				var stemp = tmpDuration
				if (stemp < 10)
				{
					stemp = "0" + stemp
				}
				if (oSelect.options[loop].value == stemp)
				{
					iDuration = stemp
					oSelect.options[loop].selected = 'selected';
				}
			}
			if (isNumeric(tmpDuration) == true)
			{
				var opt = new Option(tmpDuration + ' days', tmpDuration);
				insertOptionAt (oSelect, opt, oSelect.options.length);
				iDuration = parseInt(oSelect.options[oSelect.options.length-1].value);
				oSelect.selectIndex = oSelect.options.length;
				oSelect.options[oSelect.options.length-1].selected = 'selected';
			}
			else
			{
				iDuration = 7
				oSelect.options[0].selected = 'selected';
			}
		}
	}
	days = 1000 * 60 * 60 * 24 * fId.duration.value;
	newdate = new Date(cindate.valueOf() + days);
	if ((newdate.getHours() != 0) || (newdate.getMinutes() != 0) || (newdate.getSeconds() != 0)) {
		// Workaround to JavaScript bug: sometimes when adding days represented as milliseconds it would onhly add 23 hrs
		// Work out time in milliseconds
		time = newdate.getHours() * 60 * 60 * 1000;
		time += newdate.getMinutes() * 60 * 1000;
		time += newdate.getSeconds() * 1000;
		newdate = new Date(newdate.getTime() + time);
	}
	sArrDate = newdate.getDate() + ' '
	if((newdate.getMonth() + 1) == 1)
	{
		sArrDate = sArrDate + 'January'
	}
	else if((newdate.getMonth() + 1) == 2)
	{
		sArrDate = sArrDate + 'February'
	}
	else if((newdate.getMonth() + 1) == 3)
	{
		sArrDate = sArrDate + 'March'
	}
	else if((newdate.getMonth() + 1) == 4)
	{
		sArrDate = sArrDate + 'April'
	}
	else if((newdate.getMonth() + 1) == 5)
	{
		sArrDate = sArrDate + 'May'
	}
	else if((newdate.getMonth() + 1) == 6)
	{
		sArrDate = sArrDate + 'June'
	}
	else if((newdate.getMonth() + 1) == 7)
	{
		sArrDate = sArrDate + 'July'
	}
	else if((newdate.getMonth() + 1) == 8)
	{
		sArrDate = sArrDate + 'August'
	}
	else if((newdate.getMonth() + 1) == 9)
	{
		sArrDate = sArrDate + 'September'
	}
	else if((newdate.getMonth() + 1) == 10)
	{
		sArrDate = sArrDate + 'October'
	}
	else if((newdate.getMonth() + 1) == 11)
	{
		sArrDate = sArrDate + 'November'
	}
	else
	{
		sArrDate = sArrDate + 'December'
	}
	sArrDate = sArrDate + ' ' + newdate.getFullYear()
	//document.getElementById("arrdate").innerHTML = '&nbsp;&nbsp;&nbsp;<b>' + sArrDate + '</b>'
}

function isNumeric(sText)
{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }
// -->