<!--

// Checks if browser is Netscape 2.0x since the options array properties don't work with Netscape 2.0x
function isBrowserSupp() {
    // Get the version of the browser
    version =  parseFloat( navigator.appVersion );

    if ( ( version >= 2.0 ) && ( version < 2.1 ) && ( navigator.appName.indexOf( "Netscape" ) != -1 ) ) {
        return false;
    }
    else {
    return true;
    }

return true;
}

function isLeapYear(yrStr)
{
var leapYear=false;
var year = parseInt(yrStr, 10);
// every fourth year is a leap year
if (year%4 == 0)
	{
	leapYear=true;
	// unless it's a multiple of 100
	if (year%100 == 0)
		{
		leapYear=false;
		// unless it's a multiple of 400
		if (year%400 == 0)
			{
			leapYear=true;
			}
		}
	}
return leapYear;
}


function getDaysInMonth(mthIdx, YrStr)
{
// all the rest have 31
var maxDays=31
// except Feb. (of course)
if (mthIdx==1) 
	{
	if (isLeapYear(YrStr))
		{
		maxDays=29;
		}
	else 
		{
		maxDays=28;
		}
	}
// thirty days hath...
if (mthIdx==3 || mthIdx==5 || mthIdx==8 || mthIdx==10)
	{
	maxDays=30;
	}
return maxDays;
}


//the function which does some magic to the date fields
// return non-zero if it is the last day of the month
function adjustDate(mthIdx, Dt) 
{
var value=0;

var today = new Date()
var theYear = parseInt(today.getYear(),10)

if (mthIdx < today.getMonth()) {
	theYear = (parseInt(today.getYear(), 10) + 1)
}
if(theYear<100){
	theYear = "19" + theYear
}
else{
	if((theYear-100) < 10){
		theYear = "0" + (theYear-100)
	}
	else{
		theYear = (theYear-100)+""
	}
	theYear = "20" + theYear
}


var numDays=getDaysInMonth(mthIdx, theYear);

if (mthIdx==1) 
	{
	if (Dt.options.selectedIndex + 1 < numDays)
		{
		return 0;
		}
	else 
		{
		Dt.options.selectedIndex=numDays - 1;
		//check for leap year
		if (numDays==29)
			{
			return 99;
			}
		else 
			{
			return 1;
			}
		}
	}
if (Dt.options.selectedIndex + 1 < numDays)
	{
	value=0;
	}
else 
	{
	if (Dt.options.selectedIndex + 1 > numDays)
		{
		Dt.options.selectedIndex--;
		value=3;
		}
	else 
		{
		//index is 31 or 30
		value=2;
		}
	}
return value;
}

//changes departure month when arrival month is changed
function CheckDate(inM,inD,outM,outD) 
{
if (!isBrowserSupp())
	{
 	return; 
	}

var res = adjustDate(inM.options.selectedIndex, inD);

return;
}

function dmddChange(outM,outD) 
{
if (!isBrowserSupp())
	{
	return;			
	}

adjustDate(outM.options.selectedIndex,outD);	
return;	
}

//-->