Refactoring with JQuery Promises

ServicesRefactored.js

function GetPopularServices(id) {
    var d = $.Deferred();
    var popularServiceUrl = PopularServiceUrl(id);
    $.getJSON(popularServiceUrl, {}, function (data) {
        CreatePopularService(this, function(service) {
            //...
            //Resolve The Promise
            d.resolve({ services: [service] });
        });
    }).error(function () { ShowErrorDialog(); });
    return d.promise();
}


function GetCategoryServices(id) {
    var d = $.Deferred();
    var categoryServiceUrl = CategoryServiceUrl(id);
    $.getJSON(categoryServiceUrl, {}, function (data) {
        var services = [];
        $(data).each(function () {
            CreateService(this, function(service) {
                //...
                services.push(service);
            });
        //Resolve The Promise When Done
        }).promise().done(function () { d.resolve({ services: services }); });
    }).error(function () { ShowErrorDialog(); });
    return d.promise();
}

function PostProcessService(service) {
    //...
}

//Get Services For id
function GetServices(id) {
    $.when(GetPopularServices(id), GetCategoryServices(id)).done(function (pop, cat) {
        PostProcessService(pop);
        PostProcessService(cat);
        ShowResults();
    });
}