//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;   }