$(document).ready(function() {

    $('#btnSubmit').click(function() {

        $('#spLoading').show();
        var objDetails = {};
        $('input[type=text]').each(function() {
            objDetails[this.name] = this.value;
        });

        var jsObj = JSON.stringify(objDetails);

        $.ajax({
            type: "POST",
            url: "CTypesHandler.ashx",
            data: "{'id':'1','method':'fnAjaxMethod','params':{'obj':" + jsObj + "}}",
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            success: fnSuccess,
            error: function(xhr, status, errorThrown) {
                alert('Error' + errorThrown);
            }
        });

        function fnSuccess(response) {
            var obj = response.result.details;
            $('#spLoading').hide();
            $('#divMessage').html(obj.FirstName + ' ' + obj.LastName + ' resides at ' + obj.City + ', ' + obj.State + ', ' + obj.Country);
        }
    });
});