Object.prototype.extendTrueLoreAJAX = function(o, override)
{
    for (var prop in o)
    {
        if (override == false && this[prop] != null) { continue; }
        this[prop] = o[prop];
    }
    return this;
};

String.prototype.extendTrueLoreAJAX({
    trimLeft: function()
    {
        return this.replace(/^\s+/, "");
    },
    trimRight: function()
    {
        return this.replace(/\s+$/, "");
    },
    trim: function()
    {
        return this.replace(/(^\s+)|(\s+$)/g, "");
    }
}, false);

String.extendTrueLoreAJAX({
    format: function(s)
    {
        for (var i = 1; i < arguments.length; i++)
        {
            var reg = new RegExp("\\{" + (i - 1) + "\\}", "g");

            s = s.replace(reg, arguments[i]);
        }
        return s;
    }
}, false);

var Class = {
    create: function()
    {
        return function()
        {
            if (typeof (this.initialize) == "function")
            {
                this.initialize.apply(this, arguments);
            }
        }
    }
};

if (!window.addNamespace)
{
    window.addNamespace = function(ns)
    {
        var nsParts = ns.split(".");
        var root = window;

        for (var i = 0; i < nsParts.length; i++)
        {
            if (typeof (root[nsParts[i]]) == "undefined")
            {
                root[nsParts[i]] = {};
            }

            root = root[nsParts[i]];
        }
    };
}

if (!window.XMLHttpRequest)
{
    window.XMLHttpRequest = function()
    {
        var xmlHttp = null;
        var clsids = ["Msxml2.XMLHTTP.4.0", "MSXML2.XMLHTTP", "Microsoft.XMLHTTP"];

        for (var i = 0; i < clsids.length && xmlHttp == null; i++)
        {
            try
            {
                xmlHttp = new ActiveXObject(clsids[i]);
            }
            catch (e) { }
        }

        return xmlHttp;
    };
}

var TrueLoreAjax = {};
TrueLoreAjax.toJSON = function(o)
{
    if (o == null) { return "null"; }
    var v, a = [];

    switch (o.constructor)
    {
        case Number:
            return isFinite(o) ? o.toString() : "null";
        case Boolean:
            return o.toString();
        case String:
            o = o.replace(/\\/g, '\\\\').replace(/\t/g, '\\t').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/\"/g, '\\"');
            return '"' + o + '"';
        case Array:
            for (var i = 0; i < o.length; i++)
            {
                v = TrueLoreAjax.toJSON(o[i]);
                a.push(v);
            }
            return "[" + a.join(",") + "]";
        case Date:
            var d = {};
            d.Year = o.getFullYear();
            d.Month = o.getMonth() + 1;
            d.Day = o.getDate();
            d.Hour = o.getHours();
            d.Minute = o.getMinutes();
            d.Second = o.getSeconds();
            d.Millisecond = o.getMilliseconds();
            return TrueLoreAjax.toJSON(d);
        default:
            if (typeof (o) == "object")
            {
                for (var p in o)
                {
                    if (typeof (o[p]) != "function")
                    {
                        v = '"' + p + '":' + TrueLoreAjax.toJSON(o[p]);
                        a.push(v);
                    }
                }
                return "{" + a.join(",") + "}";
            }
            break;
    }

    return o.toString();
};

TrueLoreAjax.Request = Class.create();
TrueLoreAjax.Request.prototype = {
    url: null,
    method: null,
    args: null,
    context: null,
    callback: null,
    xmlHttp: null,
    timer: null,
    timeout: 30 * 1000,
    initialize: function(url)
    {
        if (url != null) { this.url = url; }
        this.xmlHttp = new XMLHttpRequest();
    },
    getEmptyResponse: function()
    {
        var r = { error: null, value: null, context: this.context };
        r.request = { method: this.method, args: this.args };
        return r;
    },
    getResponse: function()
    {
        var r = this.getEmptyResponse();

        if (this.xmlHttp.getResponseHeader("Content-Type").indexOf("text/xml") > -1)
        {
            r.value = this.xmlHttp.responseXML;
        }
        else
        {
            var txt = this.xmlHttp.responseText;
            if (txt != null && txt.length > 0)
            {
                eval("r.value = " + txt + ";");
            }
        }

        return r;
    },
    doStateChange: function()
    {
        if (this.xmlHttp.readyState == 4)
        {
            if (this.timer != null)
            {
                window.clearTimeout(this.timer);
            }

            var r = null;
            if (this.xmlHttp.status == 200)
            {
                r = this.getResponse();
            }
            else
            {
                r = this.getEmptyResponse();
                r.error = { message: this.xmlHttp.statusText, name: "TrueLoreAjaxxRequestError" };
            }

            if (typeof (this.callback) == "function")
            {
                this.callback(r);
            }
        }
    },
    doTimeout: function()
    {
        this.xmlHttp.onreadystatechange = function() { };
        this.xmlHttp.abort();

        var r = this.getEmptyResponse();
        r.error = { message: "Ajax reuqest timeout!", name: "TrueLoreAjaxTimeoutError" };

        this.callback(r);
    },
    invoke: function(method, args, callback, context)
    {
        if (this.xmlHttp == null)
        {
            var r = this.getEmptyResponse();
            r.error = { message: "Sorry, initialize TrueLoreAjax failed! please check if has your browser been forbidden the ActiveXObject.", name: "TrueLoreAjaxInitializeError" };
            return r;
        }

        this.method = method;
        this.args = args;
        this.context = context;
        this.callback = callback;

        if (context && context.timeout)
        {
            this.timeout = context.timeout;
        }

        var async = (typeof (callback) == "function");
        var me = this;
        var json = String((new Date()).valueOf());

        if (args.length > 0)
        {
            json = TrueLoreAjax.toJSON(args) + json;
        }

        this.xmlHttp.open("POST", this.url, async);
        this.xmlHttp.setRequestHeader("Content-Type", "text/plain; charset=utf-8");
        this.xmlHttp.setRequestHeader("Ajax-method", method);

        if (async)
        {
            this.timer = window.setTimeout(function() { me.doTimeout.call(me); }, this.timeout);
            this.xmlHttp.onreadystatechange = function()
            {
                me.doStateChange.call(me);
            }
        }

        this.xmlHttp.send(json);

        if (!async)
        {
            while (this.xmlHttp.readyState != 4)
            {
            }

            return this.getResponse();
        }
    }
};