Range Javascript

$('.personnelAmount').keyup(function() {

    if ( ( nilai >= rangeKuota_1 ) || ( nilai <= rangeKuota_2 ) ) {

        $(".1_bulan").html(parseInt(nilai*rangeHarga_1).toString().replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1."));
        $(".6_bulan").html(parseInt(nilai*rangeHarga_1*6 - nilai*rangeHarga_1*6*3/100).toString().replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1."));

    }

    else if ( ( nilai >= rangeKuota_3 ) || ( nilai <= rangeKuota_4 ) ) {

        $(".1_bulan").html(parseInt(nilai*rangeHarga_2).toString().replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1."));
        $(".6_bulan").html(parseInt(nilai*rangeHarga_2*6 - nilai*rangeHarga_2*6*3/100).toString().replace(/(\d)(?=(\d\d\d)+(?!\d))/g, "$1."));

    }

    else {
        $(".1_bulan").html("0");
        $(".6_bulan").html("0");
    }

});