Http requests pattern

var httpRequester = (function () { //success error -> callbacks
    function getJson(url, success, error) {
        $.ajax({
            url: url,
            type: "GET",
            contentType: "application/json",
            timeout: 5000,
            success: success,
            error : error
        })
    }

    function postJson(url, data, success, error) {
        $.ajax({
            url: url,
            type: "POST",
            contentType: "application/json",
            timeout: 5000,
            data: JSON.stringify(data),
            success: success,
            error: error
        })
    }

    return {
        getJson: getJson,
        postJson: postJson
    }
}());

var user =
{
    "username": "Dodo",
    "authCode": "6fa9133efe05348e430bd5a4585b595f0cb6cba3"
}

httpRequester.postJson("http://localhost:40643/api/user/login", user, function () { alert("success") }, function () { alert("error") });