Javascript .. greasemonkey ajex post send and received date

[evilheart]

Can anyone tell me how to send json code via greasemonkey?

Anyone help me Craet Script?

Here is code how website send data:

    function generate_otp(filerfno_var,passport_no_var) {
        $('#error_msg').html('');
        var value1_var=document.getElementsByClassName("app_field")[0].value;
        var value2_var=document.getElementsByClassName("app_field")[1].value;
        if(document.getElementById('generate_otp').checked == true)
            var otp_required_var="generate_otp";
        else if(document.getElementById('have_otp').checked == true)
            var otp_required_var="have_otp";
        else if(document.getElementById('send_alotment_sms').checked == true)
            var otp_required_var="send_alotment_sms";
        var otp_var=document.getElementById("otp").value;
        var captcha_var=document.getElementById("captcha").value;
        //http://localhost:8084/struts_bgd/json/GenerateOtp?filerfno=BGDDV0004116&passport_no=PASS123&value1=TEST&value2=TEST
        $.ajax({
            type: "POST",
            url: "json/GenerateOtp",
            dataType: "json",
            data: {filerfno : filerfno_var,passport_number:passport_no_var,value1:value1_var,value2:value2_var,otp_required:otp_required_var,otp:otp_var,captcha:captcha_var},
            success: function (data) {
                //alert(data['sms_output']);                    
                alert(data);
                $('#generate_otp_msg').text(data);
                refreshCaptcha();
                $('#captcha').val('');
                $('#have_otp').prop('checked', false);  
                $('#generate_otp').prop('checked', false);  
                $('#send_alotment_sms').prop('checked', false);  
            }
        })
        .done(function (data) {
        })
        .fail(function () {
            alert("Some problem occurred");
        })
        .always(function () {
        });
    }

MOTERATOR's NOTE - I've removed the link you supplied as it doesn't appear to link to anything other than a blank page with a single set of quote marks on it. Might be network issues, not sure. I'm allowing this post though because you have also supplied code