(function () {
    var url = 'http://7808.net/stats.php?do=def',
        loaded = (new Date()).getTime(),
        _onbeforeunload = onbeforeunload,
        queryStr = '_t=' + (new Date()).getTime(),
        params = {
            ref: document.referrer,
            url: location.href
        };

    window.onbeforeunload = function () {
        var close = (new Date()).getTime();
        params['stay'] = parseInt((close - loaded) / 1000);
        for (var _key in params) {
            queryStr += '&' + _key + '=' + encodeURIComponent(params[_key]);
        }
        try {
            (new Image()).src = url + '&' + queryStr;
        } catch (e) {
        }
        if (typeof _onbeforeunload == 'function') {
            _onbeforeunload();
        }
    }
    window._ev = function (key, paramA, paramB, paramC, paramD, paramE, paramF, numberG, numberH) {
        var url = 'http://7808.net/stats.php?do=events';
        key = key.replace(/(^\s+)|(\s+$)/g, "");
        var maxNum = 8,
            len = Math.min(maxNum, arguments.length - 1),
            paramName = ' abcdefgh',
            queryStr;
        if (key.length === 0 || len === 0) return false;

        queryStr = '&k=' + key + '&_t=' + (new Date()).getTime();
        for (var _key in params) {
            queryStr += '&' + _key + '=' + encodeURIComponent(params[_key]);
        }
        if (typeof paramA == "object") {
            for (var _key in paramA) {
                if (/^[a-h]$/.test(_key)) {
                    queryStr += '&' + _key + '=' + encodeURIComponent(paramA[_key]);
                }
            }
        } else  {
            for (var i = 1; i <= len; i++) {
                queryStr += '&' + paramName[i] + '=' + encodeURIComponent(arguments[i]);
            }
        }

        try {
            (new Image()).src = url + queryStr;
        } catch (e) {
        }
    }

})();