Kalkulator Hitung Zakat

<script type="text/javascript">
jQuery(function($) {

    $(document).ready(function(){
        //alert("asd");
        $("#pendapatan, #pendapatan_lain").blur(function(){
            hitungZakatPenghasilan();
        });

        $("#simpanan, #deposito, #perhiasan_emas").blur(function(){
            hitungZakatMaal();
        })

        $("#pendapatan, #pendapatan_lain, #simpanan, #deposito, #perhiasan_emas").keypress(function (e)
        {
        //if the letter is not digit then display error and don’t type anything
        if(e.which!=8 && e.which!=0 && (e.which < 48 || e.which > 57))
        {
        return false;
        }
        }).blur(function(){
            if($.trim($(this).val())=="")
                $(this).val(0);
        }).focus(function(){
            if($(this).val()==0)
                $(this).val("");
        });

        $("#harga_beras").change(function(){
            var price = parseInt($(this).val());
            $("#nishab").val(653 * price);
            hitungZakatPenghasilan();
        });

        $("#harga_emas").change(function(){
            var price = parseInt($(this).val());
            $("#nishab2").val(85 * price);
            hitungZakatMaal();
        });


    });

function hitungZakatPenghasilan(){
    var pendapatan = parseInt($("#pendapatan").val());
    if(isNaN(pendapatan))pendapatan = 0;
    var pendapatanLain = parseInt($("#pendapatan_lain").val());
    if(isNaN(pendapatanLain))pendapatanLain = 0;
    var jumlahTotal = pendapatan + pendapatanLain;
    var nishab = parseInt($("#nishab").val());

    if(isNaN(jumlahTotal))jumlahTotal=0;
    $("#jumlah_total").val(jumlahTotal);

    if(jumlahTotal >= nishab){
        $("#wajib_zakat_ya,#wajib_zakat_info_ya").show();
        $("#wajib_zakat_tidak,#wajib_zakat_info_tidak").hide();
        $("#zakat_anda").show();
        $("#zakat_anda_val").text(0.025 * jumlahTotal);
    } else {
        $("#wajib_zakat_tidak,#wajib_zakat_info_tidak").show();
        $("#wajib_zakat_ya,#wajib_zakat_info_ya").hide();
        $("#zakat_anda").hide();
    }
}

function hitungZakatMaal(){
    var simpanan = parseInt($("#simpanan").val());
    if(isNaN(simpanan))simpanan = 0;
    var deposito = parseInt($("#deposito").val());
    if(isNaN(deposito))deposito = 0;
    var perhiasanEmas = parseInt($("#perhiasan_emas").val());
    if(isNaN(perhiasanEmas))perhiasanEmas = 0;
    var jumlahTotal = simpanan + deposito + perhiasanEmas;
    var nishab = parseInt($("#nishab2").val());

    if(isNaN(jumlahTotal))jumlahTotal=0;
    $("#jumlah_total2").val(jumlahTotal);
    if(jumlahTotal >= nishab) {
        $("#wajib_zakat_ya2,#wajib_zakat_info_ya2").show();
        $("#wajib_zakat_tidak2,#wajib_zakat_info_tidak2").hide();
        $("#zakat_anda2").show();
        $("#zakat_anda_val2").text(0.025 * jumlahTotal);
    } else {
        $("#wajib_zakat_tidak2,#wajib_zakat_info_tidak2").show();
        $("#wajib_zakat_ya2,#wajib_zakat_info_ya2").hide();
        $("#zakat_anda2").hide();
    }
}

});
</script>