function adriver(ph, prm, defer) {
    if (this instanceof adriver) {
        var p = null;
        if (typeof (ph) == "string") {
            p = document.getElementById(ph);
        } else {
            p = ph; ph = p.id;
        }

        if (!p) { setTimeout(function() { new adriver(ph, prm, defer) }, 500); return null }
        if (adriver.items[ph]) { return adriver.items[ph] }

        adriver.items[ph] = this;
        this.ph = ph;
        this.p = p;

        this.reply = {};
        this.prm = p.title ? adriver.parseJSON(p.title) : {};
        adriver.extend(this.prm, prm, { ph: ph });
        this.className = p.className.match(/\w+\b/);

        this.loadCompleteQueue = new adriver.queue();
        this.domReadyQueue = new adriver.queue(adriver.isDomReady);

        var my = this;
        adriver.onDomReady(function() { my.domReady() });
        if (!defer) this.load();
        return this;
    } else {
        return arguments.length ? adriver.items[ph] : adriver.items;
    }
}

adriver.loadScript = function(req) {
    try {
        req = req.replace(/!\[rnd\]/, Math.round(Math.random() * 10000000));
        var head = document.getElementsByTagName("head").item(0);
        var s = document.createElement("script");
        s.setAttribute("type", "text/javascript");
        s.setAttribute("charset", "windows-1251");
        s.setAttribute("src", req);
        s.onreadystatechange = function() { if (/loaded|complete/.test(this.readyState)) head.removeChild(s) };
        s.onload = function(e) { head.removeChild(s) };
        head.insertBefore(s, head.firstChild);
    } catch (e) { }
}

adriver.extend = function() {
    var l = arguments[0];
    for (var i = 1, len = arguments.length; i < len; i++) {
        var r = arguments[i];
        for (var j in r) {
            if (r.hasOwnProperty(j)) {
                if (r[j] instanceof Object) { if (l[j]) { adriver.extend(l[j], r[j]); } else { l[j] = adriver.extend(r[j] instanceof Array ? [] : {}, r[j]); } } else { l[j] = r[j]; }
            }
        }
    }
    return l
}

adriver.extendL = function(l, r) { for (var i in l) { if (l.hasOwnProperty(i) && r.hasOwnProperty(i)) l[i] = r[i] }; return l }

adriver.toQueryString = function(o, delimiter, assign) {
    delimiter = delimiter || "&";
    assign = assign || "=";
    var l = [];
    for (var i in o) { if (o.hasOwnProperty(i)) l.push(i + assign + o[i]) }
    return l.join(delimiter)
}

adriver.parseJSON = function(text) {
    var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
    if (cx.test(text)) { text = text.replace(cx, function(a) { return "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4) }) }
    if (!(/^\s*\{.*\}\s*$/).test(text)) text = "{" + text + "}";
    text = text.replace(/'/g, "\"");

    return /^[\],:{}\s]*$/.
		test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@").
		replace(/\w+(?=\s+|:)|"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]").
		replace(/(?:^|:|,)(?:\s*\[)+/g, "")) ? eval("(" + text + ")") : {};
}


adriver.prototype = {
    isLoading: false,

    load: function() {
        try {
            if (!this.isLoading) {
                this.isLoading = true;
                var req = adriver.extend({}, adriver.defaults, this.prm);
                adriver.loadScript(adriver.redirectHost + "/cgi-bin/merle.cgi?rnd=![rnd]&" + adriver.toQueryString(req));
            }
        } catch (e) { }
        return this;
    },

    reload: function() {
        this.reset();
        this.load();
        return this;
    },

    onLoadComplete: function(f) {
        this.loadCompleteQueue.push(f);
        return this;
    },

    loadComplete: function() {
        this.isLoading = false;
        this.loadCompleteQueue.execute();
        return this;
    },

    onDomReady: function(f) {
        this.domReadyQueue.push(f);
        return this;
    },

    domReady: function() {
        this.domReadyQueue.execute();
        return this;
    },

    reset: function() {
        this.loadCompleteQueue.flush();
        this.domReadyQueue.flush(adriver.isDomReady);
        this.isLoading = false;
        return this;
    }
}

adriver.onDomReady = function(f) {
    adriver.domReadyQueue.push(f);
}

adriver.onBeforeDomReady = function(f) {
    adriver.domReadyQueue.unshift(f);
}

adriver.domReady = function() {
    adriver.isDomReady = true;
    adriver.domReadyQueue.execute();
}


adriver.setDefaults = function(defaults) { adriver.extend(adriver.defaults, defaults) }
adriver.setOptions = function(options) { adriver.extend(adriver.options, options) }
adriver.setPluginPath = function(path) { adriver.extend(adriver.pluginPath, path) }


adriver.queue = function(flag) { this.q = []; this.flag = flag ? true : false }

adriver.queue.prototype = {
    push: function(f) { this.flag ? f() : this.q.push(f) },
    unshift: function(f) { this.flag ? f() : this.q.unshift(f) },
    execute: function(flag) { var f; var undefined; while (f = this.q.shift()) f(); if (flag == undefined) flag = true; this.flag = flag ? true : false },
    flush: function(flag) { this.q.length = 0; this.flag = flag ? true : false }
}


adriver.Plugin = function(id) {
    if (this instanceof adriver.Plugin) {
        if (id && !adriver.plugins[id]) {
            this.id = id;
            this.q = new adriver.queue();
            this.loadingStatus = 0;
            adriver.plugins[id] = this;
            return this;
        }
    }
    return adriver.plugins[id];
}

adriver.Plugin.prototype = {
    load: function() {
        this.loadingStatus = 1;
        var suffix = this.id.substr(this.id.lastIndexOf('.') + 1);
        var pluginPath = adriver.pluginPath[suffix] || adriver.defaultMirror + "/plugins/";
        adriver.loadScript(pluginPath + this.id + ".js");
    },
    loadComplete: function() { this.loadingStatus = 2; this.q.execute(); return this },
    onLoadComplete: function(f) { this.q.push(f); return this }
}


adriver.Plugin.require = function() {
    var me = this, counter = 0;
    this.q = new adriver.queue();

    for (var i = 0, len = arguments.length; i < len; i++) {
        var p = new adriver.Plugin(arguments[i]);
        if (p.loadingStatus != 2) {
            counter++;
            p.onLoadComplete(function() { if (counter-- == 1) { me.q.execute() } });
            if (!p.loadingStatus) p.load();
        }
    }
    if (!counter) { this.q.execute() }
}

adriver.Plugin.require.prototype.onLoadComplete = function(f) { this.q.push(f); return this }


adriver.start = function() {
    adriver.version = "2.0";
    adriver.items = {};
    adriver.defaults = { tail256: (document.referrer ? escape(document.referrer) : 'unknown') };
    adriver.options = {};
    adriver.plugins = {};
    adriver.pluginPath = {};
    adriver.redirectHost = "http://ad.adriver.ru";
    adriver.defaultMirror = "http://content.adriver.ru";
    adriver.isDomReady = false;
    adriver.domReadyQueue = new adriver.queue();

    adriver.checkDomReady(adriver.domReady);
}


adriver.checkDomReady = function(f) {
    try {
        var d = document, oldOnload = window.onload;
        if (/WebKit/i.test(navigator.userAgent)) { (function() { /loaded|complete/.test(d.readyState) ? f() : setTimeout(arguments.callee, 100) })() }
        else if (d.addEventListener) { d.addEventListener("DOMContentLoaded", f, false) }
        else if (d.all && !window.opera) {
            document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
            document.getElementById("__onDOMContentLoaded").onreadystatechange = function() { if (this.readyState == "complete") { f() } }
        }
        window.onload = function() { if (oldOnload) oldOnload(); f() }
    } catch (e) { }
}


adriver.start();