const UJS_TOOLBAR_ID = "ujs_toolbar";
const UJS_GOOGLE_TRANSLATE_FRAME_ID = "ujs_googletranslateframe";

function cbTranslatorButton (browser)
{
    this. doc = browser. contentDocument;
    this. win = browser. contentDocument. defaultView;
}
cbTranslatorButton. prototype =
{
    doc: null,
    win: null,
    toolbar: null,
    clse: null,
    frame: null,
    
    grabX: 0,
    origX: 0,
    grabY: 0,
    origY: 0,
    
    handleEvent: function (event)
    {
        switch (event. type)
        {
            case "mousedown":
                this. tbOnMouseDown (event);
                break;
            case "mousemove":
                this. tbOnMouseMove (event);
                break;
            case "mouseup":
                this. tbOnMouseUp (event);
                break;
            case "click":
                this. clseOnClick (event);
                break;
            case "load":
                this. frameOnLoad (event);
                break;
            default:;
        }
    },
    
    tbOnMouseMove: function (event)
    {
        this. toolbar. style. left = this. origX + event. clientX - this. grabX + 'px';
        this. toolbar. style. top = this. origY + event. clientY - this. grabY + 'px';
    },
    
    tbOnMouseUp: function (event)
    {
        this. doc. removeEventListener ('mousemove', this, false);
        this. toolbar. style. zIndex = 9997;
    },
    
    tbOnMouseDown: function (event)
    {
        if (event. target == this. toolbar)
        {
            event. preventDefault ();
            this. toolbar. style. zIndex = 9998;
            this. grabX = event. clientX;
            this. grabY = event. clientY;
            this. origX = parseInt (this. toolbar. style. left);
            this. origY = parseInt (this. toolbar. style. top);
            this. doc. addEventListener ('mousemove', this, false);
            this. doc. addEventListener ('mouseup', this, false);
        }
    },
    
    removeEventListener: function (element, eventType, captureFlag)
    {
        try
        {
            element. removeEventListener (eventType, this, captureFlag);
        }
        catch (err) {}
    },
    
    removeElement: function (element)
    {
        try
        {
            element. parentNode. removeChild (element);
        }
        catch (err) {}
    },
    
    clseOnClick: function (event)
    {
        this. clse. removeEventListener ('click', this, false);
        this. removeEventListener (this. toolbar, 'mousedown', false);
        this. removeEventListener (this. doc, 'mousemove', false);
        this. removeEventListener (this. doc, 'mouseup', false);
        this. removeEventListener (this. frame, 'load', false);
        this. removeElement (this. toolbar);
        this. removeElement (this. frame);
        this. frame = null;
        this. clse = null;
        this. toolbar = null;
        this. win = null;
        this. doc = null;
    },
    
    ujs_createWindow: function (txt)
    {
        var doc = this. doc;
        var win = this. win;
        var h, w;
        var txtLen = txt. length;
        var tbId = UJS_TOOLBAR_ID;
        if (arguments. length > 2)
            tbId += arguments [2];
        var toolbar = doc. getElementById (tbId);
        if (toolbar)
            toolbar. parentNode. removeChild (toolbar);
        toolbar = doc. createElement ('div');
        this. toolbar = toolbar;
        toolbar. id = tbId;
        if (arguments. length == 5)
        {
            w = arguments [3];
            h = arguments [4]
        }
        else
        {
            h = 15;
            w = 20;
            if (txtLen > 2000)
            {
                h = 50;
                w = 66
            }
            else if (txtLen > 250)
            {
                h = 25;
                w = 33
            };
            h = parseInt (h * win. innerHeight / 30);
            w = parseInt (w * win. innerWidth / 50)
        };
        var title = (arguments. length > 1) ?arguments [1]: '<a href="http://translate.google.com/" target="_blank" style="text-decoration:none;color:#000099;font:16px Times New Roman;">Google Translate</a>';
        toolbar. innerHTML = '<img src="data:image/png;base64,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" title="Close" width="18" height="18">&nbsp;' + title + '<div></div>';
        toolbar. setAttribute('style', 'position:fixed;background:white;display:block;visibility:hidden;left:0;top:0;height:auto;width:' + w + 'px;font:16px Times New Roman;border:1px solid gray;padding:3px;z-index:9997;overflow:visible;cursor:move;');
        toolbar. addEventListener ('mousedown', this, false);
        var clse = toolbar. firstChild;
        this. clse = clse;
        clse. setAttribute ('style', 'float:right;background:white;padding:0;margin:0;border:none;cursor:pointer;');
        clse. addEventListener ('click', this, false);
        var textbar = toolbar. lastChild;
        textbar. innerHTML = txt;
        textbar. setAttribute ('style', 'display:block;border:1px solid #aaaaaa;margin:2px 0 0 0;padding:4px;background-color:#fafcfe;font:14px Times New Roman;height:' + h + 'px;width:auto;overflow:auto;cursor:text;');
        doc. documentElement. appendChild (toolbar);
        var halfWidth = parseInt (toolbar. offsetWidth / 2);
        var strict = doc. compatMode == 'CSS1Compat';
        var mX = (strict?
                    doc. documentElement. clientWidth:
                    doc. body. clientWidth) - toolbar. offsetWidth;
        var mY = (strict?
                    doc. documentElement. clientHeight:
                    doc. body. clientHeight) - toolbar. offsetHeight;
        var lastClickX = win. cbTranslateButton2X;
        var lastClickY = win. cbTranslateButton2Y;
        toolbar. style. left = ((lastClickX < mX + halfWidth)?
                                    (lastClickX > halfWidth?
                                        (lastClickX - halfWidth):
                                        0):
                                        mX) + "px";
        toolbar. style. top = ((lastClickY < mY)?
                                lastClickY:
                                mY) + "px";
        toolbar. style. visibility = 'visible';
        return textbar;
    },
    
    frameOnLoad: function (event)
    {
        var fr = event. currentTarget;
        fr. removeEventListener ('load', this, false);
        var tbId = fr. id. substring (UJS_GOOGLE_TRANSLATE_FRAME_ID. length);
        var toolbar = this. doc. getElementById (UJS_TOOLBAR_ID + tbId);
        var frdoc = fr. contentDocument;
        var a = frdoc. getElementById ('autotrans');
        var title = (a && !/#808080/. test (a. innerHTML))?
                        '&nbsp;-&nbsp;' + a. textContent. replace (/^.+: | [(\xBB].+$/g, ''):
                        '';
        var result = frdoc. getElementById ('result_box'). innerHTML;
        var ancor = toolbar. getElementsByTagName ("a") [0];
        ancor. innerHTML += title;
        ancor. nextSibling. innerHTML = result;
        setTimeout
        (
            function ()
            {
                fr. parentNode. removeChild (fr);
            },
            0
        );
    },
    
    google_translate: function (language)
    {
        var doc = this. doc;
        var win = this. win;
        var t = document. commandDispatcher. focusedWindow. getSelection (). toString ();
        var lng = (win. navigator. language == 'ru')? 'ru': 'en';
        if (t && location. hostname != 'translate.google.com')
        {
            this. ujs_createWindow
            (
                (lng == 'ru'?
                    '\u041F\u0435\u0440\u0435\u0432\u043E\u0434\u0438\u043C':
                    'Translating'
                ) +
                '\u2026',
                '<a href="http://translate.google.com/" target="_blank" style="text-decoration:none;color:#000099;font:16px Times New Roman;">Google Translate</a>',
                btoa (escape (t))
            );
            var gtfId = UJS_GOOGLE_TRANSLATE_FRAME_ID;
            var fr = doc. getElementById (gtfId);
            if (!fr)
                fr = doc. createElement ('iframe');
            this. frame = fr;
            fr. setAttribute ('id', gtfId + btoa (escape (t)));
            fr. setAttribute ('frameborder', '0');
            fr. setAttribute ('style', 'width:0px;height:0px;visibility:hidden;position:absolute;left:-999em;');
            fr. setAttribute
            (
                'src',
                'http://translate.google.com/translate_t?text=' +
                encodeURIComponent (t) +
                '&hl=' +
                lng +
                '&langpair=' +
                language +
                '&tbb=1&ujs=gtt'
            );
            fr. addEventListener ('load', this, false);
            doc. documentElement. appendChild (fr);
        }
        else
        {
            getBrowser (). addTab
            (
                'http://translate.google.com/translate?u=' +
                escape (doc. location. href) +
                '&hl=' +
                lng +
                '&langpair=' +
                language +
                '&tbb=1' +
                (doc. charset? '&ie=' + doc. charset: ''),
                null,
                null
            );
        }
    }
};

var ct = getBrowser (). selectedTab;
if (!ct. cbTranslateButton5)
    ct. cbTranslateButton5 = [];
var translator = new cbTranslatorButton (getBrowser ());
ct. cbTranslateButton5. push (translator);
translator. google_translate ("auto|ru");