
<!--
// 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(31,29,31,30,31,30,31,31,30,31,30,31,31,28,31,30,31,30,31,31,30,31,30,31,31,28,31,30,31,30,31,31,30,31,30,31);
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 < 7 && 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 < 7) || (fId.startdate_m.selectedIndex == 7 && fId.startdate_d.selectedIndex <= 8)))
	{ return false; }
	else
	{ return true; }
}
function checkValidDate(fId)
{

	if(fId.startdate_y.selectedIndex == 0 && ((fId.startdate_m.selectedIndex < 7) || (fId.startdate_m.selectedIndex == 7 && fId.startdate_d.selectedIndex <= 9)))
	{ 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;
}
// -->