jQuery Validate for Ajax Requests

foo.js

// These are jQuery fns.
(function ($) {
    
    $.fn.removeMVCValidationSummary = function (settings) { 
        
        var form = $(this), 
            container = form.find("[data-valmsg-summary=true]"), 
            list = container.find("ul");
        
        container.removeClass("validation-summary-errors").addClass("validation-summary-valid");
        return form;
    };

    $.fn.raiseMVCUnobtrusiveErrorsManually = function(exceptions) { // 'this' is the form element
    
        var container = $(this).find("[data-valmsg-summary=true]"),
            list = container.find("ul");
        
        if (list && list.length) { 
            list.empty();
            container.addClass("validation-summary-errors").removeClass("validation-summary-valid");
        
            $.each(exceptions, function () { 
                $("<li />").html(this.ErrorMessage).appendTo(list);
            });
        }
    }

    $.fn.clearForm = function() { 
      
      var formid = $(this).attr("id");
      $(':input', '#' + formid).not(':button, :submit, :reset, :hidden').val('').removeAttr('checked').removeAttr('selected');
      return $(this);
    }

})(jQuery)

// This is the actual code for the page
(function () {

    $(function () {

        $("#apiConsumerRegistrationForm-ajax-success-message").hide();

        //setting the first td width of the table.
        $(".form-table tr").each(function (index) {
            $(this).find('td:first').css('width', '300px').after('<td style="width: 7px;"><strong>:</strong></td>');
        });

        $("#apiConsumerRegistrationForm").submit(function (e) {

            var form = $("#apiConsumerRegistrationForm");

            if (form.valid()) {
                form.validate();
                var action = form.attr("action");
                var f = form.serialize();

                $("#ajax-progress-dialog").dialog("open");
                $.ajax({
                    type: "POST",
                    url: action,
                    data: f,
                    success: function (r) {
                        if (r.isSucceeded) {

                            form.removeMVCValidationSummary();

                            form.clearForm();

                            var messageContainer = $("#apiConsumerRegistrationForm-ajax-success-message");
                            
                            messageContainer.html(
                                    $('<ul></ul>').append($('<li></li>').text(r.successMessage))
                                ).show("slow", function () {

                                    // Animation complete. do what you need here
                                    // maybe call an image here.

                                    $('html, body').animate({scrollTop:messageContainer.offset().top - 40}, 500);
                            });

                            //$.showMessage(r.successMessage, {
                            //    position: 'top', delay: 3000, speed: 1000, size: 50, backgroundColor: '#485C7F', fontSize: '20px'
                            //});
                        }
                    },
                    error: function (req, status, error) {
                        alert("error : req=" + req + "&status=" + status + "&error=" + error);
                    },
                    complete: function () {
                        $("#ajax-progress-dialog").dialog("close");
                    }
                });

                e.preventDefault();
            }

        });

    });

    // Checkbox Validation
    jQuery.validator.addMethod("checkrequired", function (value, element) {
        var checked = false;
        checked = $(element).is(':checked');
        return checked;
    }, '');

    jQuery.validator.unobtrusive.adapters.addBool("truerequired", "checkrequired");

})();