var browser = '';
function DetectBrowser() {
    var ns4 = document.layers;
    var op5 = (navigator.userAgent.indexOf('Opera 5') != -1)
		|| (navigator.userAgent.indexOf('Opera/5') != -1);
    var op6 = (navigator.userAgent.indexOf('Opera 6') != -1)
		|| (navigator.userAgent.indexOf('Opera/6') != -1);
    var agt = navigator.userAgent.toLowerCase();
    var mac = (agt.indexOf("mac") != -1);
    var ie = (agt.indexOf("msie") != -1);
    var mac_ie = mac && ie;
    if (ns4) browser = 'ns4';
    if (op5) browser = 'op5';
    if (op6) browser = 'op6';
    if (mac) browser = 'mac';
    if (ie) browser = 'ie';
    if (mac_ie) browser = 'mac_ie';
}
var Basket = function() {
    var goods = [];
    var AddGoods = function(id_goods, count) {
        var new_goods = {};
        new_goods.id = id_goods;
        new_goods.count = count;
        goods.push(new_goods);
    }
    var DeleteGoods = function(id_goods) {
        var new_goods = [];
        for (var i = 0; i < goods.length; i++) {
            if (goods[i].id != id_goods) {
                new_goods.push(goods[i]);
            }
        }
        goods = new_goods;
    }
    var SetGoods = function(id_goods, count) {
        var pos = GoodsExists(id_goods);
        if (pos > -1) {
            goods[pos].count = count;
        }
        else {
            AddGoods(id_goods, count);
        }
    }
    var GetGoods = function(id_goods) {
        for (var i = 0; i < goods.length; i++) {
            if (goods[i].id == id_goods)
                return { id_goods: id_goods, count: goods[i].count };
        }
        return { id_goods: id_goods, count: -1 };
    }
    var GoodsExists = function(id_goods) {
        for (var i = 0; i < goods.length; i++) {
            if (goods[i].id == id_goods)
                return i;
        }
        return -1;
    }
    this.Open = function() {
        PopupWindow("/basket.aspx", "basket", 700, 700, 0, 0);
        return false;
    }
    var ShowBasket = function(id_goods) {
        var coords = Find_ElementCoords("goods-price-add");
        var basket = document.getElementById("Basket_" + id_goods);
        basket.style.display = "block";
        basket.style.visibility = "visible";
        basket.style.left = coords.left + "px";
        if (id_goods != -1) {
            basket.style.top = (parseInt(coords.top) - 56) + "px";
        }
        else {
            //basket.style.top = (parseInt(coords.top) - 80) + "px";
            basket.style.top = "-80px";
            basket.style.left = "0px";
        }
        //alert((parseInt(coords.top) - 100) + "px");
    }
    var HideBasket = function(id_goods) {
        if (document.getElementById("Basket_-1") == null) {
            document.getElementById("Basket_" + id_goods).style.display = "none";
            document.getElementById("Basket_" + id_goods).style.visibility = "hidden";
        }
        else {
            document.getElementById("Basket_-1").style.display = "none";
            document.getElementById("Basket_-1").style.visibility = "hidden";

            if (document.getElementById("Basket_" + id_goods) != null) {
                document.getElementById("Basket_" + id_goods).style.display = "none";
                document.getElementById("Basket_" + id_goods).style.visibility = "hidden";
            }
        }
    }
    var Create = function(id_goods) {
        var html = "<div id=\"basket-form\" style=\"padding-left: 20px;\">" +
            "<p id=\"basket_goods_present\">Этот товар уже есть в корзине<br /><br /></p>" +
            "<p id=\"basket_goods_nopresent\">Добавить товар в корзину<br /><br /></p> <p>в количестве" +
            "<input onkeyup=\"bf.isNumber_Validate(this);\" id=\"basket_count_" + id_goods + "\" class=\"basket_goods_count\" type=\"text\" />" +
            "<input id=\"basket_goods_button_ok\" type=\"button\" onclick=\"bf.OK(" + id_goods + ");\" />" +
            "<input id=\"basket_goods_button_cancel\" type=\"button\" onclick=\"bf.Delete(" + id_goods + ");\" /></p>" +
        "</div>";
        var basket = document.getElementById("Basket_" + id_goods);
        basket.innerHTML = html;
    }
    this.Get = function(id_goods) {
        this.ShowPreloder(id_goods);
        var reqOptions = new RequestOptions();
        reqOptions.completeFunction = bf.Get_OnComplete;
        reqOptions.completeFunction_Args = id_goods;
        reqOptions.errorFunction = function(text, args) { };
        reqOptions.requestPage = "basket";
        reqOptions.Add("action", "get");
        reqOptions.Add("id", id_goods);
        var isConnect = createRequest();
        if (isConnect) {
            processRequest(reqOptions);
        }
        else {
            alert("Не удалось соединится с удаленным хостом, попробуйте еще раз.");
        }
    }
    this.Save = function(id_goods, count) {
        this.ShowPreloder(id_goods);
        var reqOptions = new RequestOptions();
        reqOptions.completeFunction = bf.Save_OnComplete;
        reqOptions.completeFunction_Args = id_goods;
        reqOptions.errorFunction = function(text, args) { alert("error"); };
        reqOptions.requestPage = "basket";
        reqOptions.Add("action", "add");
        reqOptions.Add("id", id_goods);
        reqOptions.Add("count", count);
        var isConnect = createRequest();
        if (isConnect) {
            processRequest(reqOptions);
        }
        else {
            alert("Не удалось соединится с удаленным хостом, попробуйте еще раз.");
        }
    }
    this.Update = function(id_goods, count) {
        this.ShowPreloder(id_goods);
        var reqOptions = new RequestOptions();
        reqOptions.completeFunction = bf.Save_OnComplete;
        reqOptions.completeFunction_Args = id_goods;
        reqOptions.errorFunction = function(text, args) { };
        reqOptions.requestPage = "basket";
        reqOptions.Add("action", "update");
        reqOptions.Add("id", id_goods);
        reqOptions.Add("count", count);
        var isConnect = createRequest();
        if (isConnect) {
            processRequest(reqOptions);
        }
        else {
            alert("Не удалось соединится с удаленным хостом, попробуйте еще раз.");
        }
    }
    this.Delete = function(id_goods) {
        //        if (GetGoods(id_goods).count != -1) {
        //            this.ShowPreloder(id_goods);
        //            var reqOptions = new RequestOptions();
        //            reqOptions.completeFunction = bf.Delete_OnComplete;
        //            reqOptions.completeFunction_Args = id_goods;
        //            reqOptions.errorFunction = function(text, args) { alert(text); };
        //            reqOptions.requestPage = "basket";
        //            reqOptions.Add("action", "delete");
        //            reqOptions.Add("id", id_goods);
        //            var isConnect = createRequest();
        //            if (isConnect) {
        //                processRequest(reqOptions);
        //            }
        //            else {
        //            
        //            }
        //        }
        //        else {
        //            HideBasket(id_goods);
        //        }
        HideBasket(id_goods);
    }
    this.OK = function(id_goods) {
        if (GoodsExists(id_goods) != -1 && id_goods != -1) {
            var new_count = document.getElementById("basket_count_" + id_goods).value;
            if (GetGoods(id_goods).count != new_count &
                GetGoods(id_goods).count != "-1") {
                this.Update(id_goods, new_count);
            }
            else {
                if (GetGoods(id_goods).count == "-1") {
                    this.Save(id_goods, new_count);
                }
                else {
                    HideBasket(id_goods);
                }
            }
        }
        else {
            if (id_goods == -1) {
                var t = document.getElementById("product_list");
                if (t != null) {
                    var inputs = t.getElementsByTagName("input");
                    var ids = '';
                    for (var i = 0; i < inputs.length; i++) {
                        if (inputs[i].className == "to_basket") {
                            if (inputs[i].checked) {
                                ids += "," + inputs[i].id.replace("product_", "");
                            }
                        }
                    }
                    if (ids != '') {
                        ids = ids.substring(1);
                        var new_count = document.getElementById("basket_count_" + id_goods).value;
                        this.Save(ids, new_count);
                    }
                    else {
                        HideBasket(-1);
                    }
                }
            }
        }
    }
    this.Get_OnComplete = function(text, args) {
        SetGoods(args, text);
        if (text != "-1") {
            document.getElementById("basket_goods_present").style.display = "block";
            document.getElementById("basket_goods_nopresent").style.display = "none";
        }
        else {
            document.getElementById("basket_goods_present").style.display = "none";
            document.getElementById("basket_goods_nopresent").style.display = "block";
        }
        if (text == "-1") {
            text = "1";
        }
        document.getElementById("basket_count_" + args).value = text;
        bf.HidePreloder();
    }
    this.Show = function(id_goods) {
        if (GoodsExists(id_goods) == -1) {
            Create(id_goods);
        }
        ShowBasket(id_goods);

        this.Get(id_goods);
    }

    this.DeleteAll = function() {

    }
    this.Save_OnComplete = function(text, args) {
        var txt = text.substring(0, text.indexOf(" "));
        SetGoods(args, txt);
        bf.HidePreloder();
        HideBasket(args);
        UpdateBasketCount(text);
    }
    this.Save_OnError = function(text, args) {

    }
    this.Delete_OnComplete = function(text, args) {
        DeleteGoods(args);
        bf.HidePreloder();
        HideBasket(args);
    }
    this.ShowPreloder = function(id_goods) {

        if (document.getElementById("basket_form_preloder") == null) {

            var div = document.createElement("div");

            div.id = "basket_form_preloder";
            div.style.position = "absolute";
            //div.style.backgroundImage = "url(/images/empty_pixel.png)";
            div.style.zIndex = 3;

            var s = Get_ElemSize("Basket_" + id_goods);

            var c = Find_ElementCoords("Basket_" + id_goods);

            div.style.left = (c.left + 116) + "px";
            //div.style.top = (parseInt(c.top) + 119) + "px";
            div.style.top = "35px";
            div.style.width = 20 + "px";
            div.style.height = 20 + "px";
            div.innerHTML = "<img src=\"/images/loader.gif\" />";
            document.getElementById("Basket_" + id_goods).appendChild(div);
        }
        else {
            document.getElementById("basket_form_preloder").style.display = "block";
        }
    }
    this.HidePreloder = function() {
        setTimeout("document.getElementById(\"basket_form_preloder\").style.display = \"none\"", 10);
    }
    var Find_ElementCoords = function(id) {
        var obj = document.getElementById(id);
        var currLeft = 0;
        var currTop = 0;
        if (obj.offsetParent) {
            currLeft = obj.offsetLeft;
            currTop = obj.offsetTop;
            while (obj = obj.offsetParent) {
                //currLeft += obj.offsetLeft;
                //currTop += obj.offsetTop;
            }
        }
        return { left: currLeft, top: currTop };
    }
    this.isNumber_Validate = function(input) {
        if (input.value.length > 0 && !input.value.match(/^[0-9]+$/g)) {
            input.value = input.value.replace(/[^0-9]*/g, '');
            window.alert("Вводите только цифры!");
        }
        else {
            if (parseInt(input.value) == 0)
                input.value = "1";
        }
    }
}
var bf = new Basket();

function Get_ElemSize(id) {
    var width = Get_ElemSizeWidthById(id);
    var height = Get_ElemSizeHeightById(id);
    return [width, height];
}
function Get_ElemSizeHeightById(id) {
    if (browser == '') DetectBrowser();
    var obj = document.getElementById(id);
    if (browser == 'ns4')
        return obj.clip.height;
    if (browser == 'op5')
        return obj.style.pixelHeight;
    else
        return obj.offsetHeight;
}
function Get_ElemSizeWidthById(id) {
    if (browser == '') DetectBrowser();
    var obj = document.getElementById(id);
    if (browser == 'ns4')
        return obj.clip.width;
    if (browser == 'op5')
        return obj.style.pixelWidth;
    else
        return obj.offsetWidth;
}
function PopupWindow(url, name, width, height, top, left) {
    left = parseInt((getWidthHeight().width - width) / 2);
    var properties = 'location=yes,width=' + width + ',height=' + height + ',top=' + top + ',left=' + left +
    'toolbar=no,directories=no,status=no,menubar=no,scrollbars=yes,copyhistory=yes,resizable=yes';
    popupWin = window.open(url, name, properties);
    popupWin.focus();
}
function getWidthHeight() {
    var w = 0;
    var h = 0;
    if (typeof (window.innerWidth) == 'number') {
        //Non-IE
        w = window.innerWidth;
        h = window.innerHeight;
    }
    else
        if (document.documentElement && (document.documentElement.clientWidth || document.documentElement.clientHeight)) {
        //IE 6+ in 'standards compliant mode'
        w = document.documentElement.clientWidth;
        h = document.documentElement.clientHeight;
    }
    else
        if (document.body && (document.body.clientWidth || document.body.clientHeight)) {
        //IE 4 compatible
        w = document.body.clientWidth;
        h = document.body.clientHeight;
    }
    return { width: w, height: h };
}
function MonitoringBasket() {
    document.location.href = "/my/cabinet.aspx"
}
function UpdateBasketCount(str_count) {
    var basket = document.getElementById("basket");
    var a = basket.getElementsByTagName("a")[0];
    if (str_count == "пусто" || str_count == "0") {
        a.onclick = function() {
            return false;
        }
        a.innerHTML = "поки пусто";

        basket.getElementsByTagName("div")[2].getElementsByTagName("a")[0].onclick = function() {
            return false;
        }
        basket.getElementsByTagName("div")[1].id = "basket_image";
        basket.getElementsByTagName("div")[2].id = "button";
    }
    else {
        a.onclick = function() {
            PopupWindow('/basket.aspx', 'basket', 700, 600, 0, 0);
            return false;
        }
        a.innerHTML = str_count;

        basket.getElementsByTagName("div")[1].id = "basket_image_full";
        basket.getElementsByTagName("div")[2].id = "button_enable";
        
        basket.getElementsByTagName("div")[2].getElementsByTagName("a")[0].onclick = function() {
            PopupWindow('/basket.aspx', 'basket', 700, 600, 0, 0);
            return false;
        }
    }
    return false;
}
function RequestBasketCount() {
    var reqOptions = new RequestOptions();
    reqOptions.completeFunction = BasketCount_OnComplete;
    reqOptions.errorFunction = function(text, args) { };
    reqOptions.requestPage = "basket";
    reqOptions.Add("action", "getcount");
    var isConnect = createRequest();
    if (isConnect) {
        processRequest(reqOptions);
    }
    else {
        alert("Не удалось соединится с удаленным хостом, попробуйте еще раз.");
    }
}
function BasketCount_OnComplete(text, args) {
    UpdateBasketCount(text);
}
function search1() {
    var q = document.getElementById("search").value;
    if (q != "") {
        var buy = "computers";
        var h = document.location.href;
        if (h.indexOf("buy/") != -1) {
            buy = h.substring(h.indexOf("buy/") + 4);
        }
        if (h.indexOf("buy-") != -1) {
            buy = h.substring(h.indexOf("buy-") + 4);
        }
        document.location.href = "/search.aspx?q=" + q + "&buy=" + buy;
    }
    return false;
}
function submitform(event) {
    var code = 0;
    var NS4 = (document.layers) ? true : false;
    if (NS4)
        code = event.which;
    else
        code = event.keyCode;
    if (code == 13) {
        return search1();
    }
}
function ChangeImage(src) {
    src = src.replace("_small", "_normal");
    document.getElementById("product_photo").src = src;
}