function loadDates() {
    var calendar = new Date();
    var calendar2 = new Date();
    var cal
    var cal2
    var date;
    var month;
    var year;
    var date2;
    var month2;
    var year2;

    //Here is the variable to change for to advance the arrival Date
     var advanceArrival = 14;

    //Here is the variable to change for to advance the departure Date
     var advanceDeparture = 16;


    //Set the arrival Days
    calendar.setDate(calendar.getDate()+ advanceArrival);
    date = calendar.getDate();
    month = calendar.getMonth();

    //Set the Departure Days
    calendar2.setDate(calendar2.getDate()+advanceDeparture);
    date2 = calendar2.getDate();
    month2 = calendar2.getMonth();

    document.forms['myform'].arrivalMonth.value=month;
    document.forms['myform'].arrivalDay.value=date;
    document.forms['myform'].departureMonth.value=month2;
    document.forms['myform'].departureDay.value=date2;
}

//start new script code
// 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
    // expect 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 + 2 < numDays ) {
            return 0;
        } else {
            if( Dt.options.selectedIndex + 1 > numDays) {
                Dt.options.selectedIndex=numDays - 1;
            }
            //check for leap year
            if( (Dt.options.selectedIndex + 1) == numDays ) {
                return 1;
            } else {
                return 4;
            }
        }
    }

    if( Dt.options.selectedIndex + 2 < numDays ) {
        value = 0;
    } else {
        if ( Dt.options.selectedIndex + 1 > numDays ) {
            Dt.options.selectedIndex--;
            value = 3;
        } else if ( Dt.options.selectedIndex + 1 == numDays ) {
            //index is 31 or 30
            value = 2;
        } else {
            value = 4;
        }
    }
    return value;
}

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

    var res = adjustDate( inM.options.selectedIndex, inD );
    if( res != 0 ) {
           outD.options.selectedIndex = 0;
           if ( inM.options.selectedIndex == 11 ) {
                outM.options.selectedIndex = 0
           } else if( res == 4 ) {
                outM.options.selectedIndex=inM.options.selectedIndex + 1;
                outD.options.selectedIndex = 0;
           } else {
                outM.options.selectedIndex=inM.options.selectedIndex + 1;
                outD.options.selectedIndex = 1;
           }
    } else {
        outM.options.selectedIndex = inM.options.selectedIndex;
        if (outD.options.selectedIndex <= inD.options.selectedIndex) {
            outD.options.selectedIndex = inD.options.selectedIndex + 2;
        }
    }
    return;
}


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

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