关于对discuz.gtimg.cn不明代码的解决方法

var clearTips;
DiscuzCloudNameSpace = new Object();
DiscuzCloudNameSpace.register = function(fullName) {
    try {
        var nsArray = fullName.split(".");
        var strNS = "";
        var strEval = "";
        for (var i = 0; i < nsArray.length; i++) {
            if (strNS.length > 0) strNS += ".";
            strNS += nsArray;
            strEval += " if (typeof(" + strNS + ") =='undefined') " + strNS + " = new Object(); "
        };
        if (strEval != "") eval(strEval)
    } catch(e) {
        alert(e.message)
    }
};
DiscuzCloudNameSpace.register('DiscuzCloud');
DiscuzCloud.JSONP = (function() {
    var counter = 0,
    head, query, key, window = this;
    function load(url) {
        script = document.createElement('script'),
        done = false;
        script.src = url;
        script.charset = 'UTF-8';
        script.async = true;
        script.onload = script.onreadystatechange = function() {
            if (!done && (!this.readyState || this.readyState === "loaded" || this.readyState === "complete")) {
                done = true;
                script.onload = script.onreadystatechange = null;
                if (script && script.parentNode) {
                    script.parentNode.removeChild(script)
                }
            }
        };
        if (!head) {
            head = document.getElementsByTagName('head')[0]
        };
        head.appendChild(script)
    };
    function jsonp(url, params, callback) {
        if (url.indexOf('?') > -1) {
            query = '&'
        } else {
            query = '?'
        };
        params = params || {};
        for (key in params) {
            if (params.hasOwnProperty(key)) {
                query += encodeURIComponent(key) + "=" + encodeURIComponent(params[key]) + "&"
            }
        };
        var jsonp = 'discuzTipsCallback';
        window[jsonp] = function(data) {
            callback(data);
            try {
                delete window[jsonp]
            } catch(e) {}
            window[jsonp] = null
        };
        load(url + query + "callback=" + jsonp);
        return jsonp
    };
    return {
        get: jsonp
    }
} ());
DiscuzCloud.htmlspecialchars = function(string, quote_style, charset, double_encode) {
    var optTemp = 0,
    i = 0,
    noquotes = false;
    if (typeof quote_style === 'undefined' || quote_style === null) {
        quote_style = 2
    };
    string = string.toString();
    if (double_encode !== false) {
        string = string.replace(/&/g, '&')
    };
    string = string.replace(//g, '>');
    var OPTS = {
        'ENT_NOQUOTES': 0,
        'ENT_HTML_QUOTE_SINGLE': 1,
        'ENT_HTML_QUOTE_DOUBLE': 2,
        'ENT_COMPAT': 2,
        'ENT_QUOTES': 3,
        'ENT_IGNORE': 4
    };
    if (quote_style === 0) {
        noquotes = true
    };
    if (typeof quote_style !== 'number') {
        quote_style = [].concat(quote_style);
        for (i = 0; i < quote_style.length; i++) {
            if (OPTS[quote_style] === 0) {
                noquotes = true
            } else if (OPTS[quote_style]) {
                optTemp = optTemp | OPTS[quote_style]
            }
        };
        quote_style = optTemp
    };
    if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
        string = string.replace(/'/g, ''')
    };
    if (!noquotes) {
        string = string.replace(/"/g, '"')
    };
    return string
};
DiscuzCloud.setCookie = function(name, value, sec) {
    if (typeof(sec) == 'undefined') {
        sec = 86400000;
    } else {
        sec = sec * 1000
    };
    var expires = new Date();
    expires.setTime(expires.getTime() + sec);
    document.cookie = name + '=' + escape(value) + '; expires=' + expires.toGMTString()
};
DiscuzCloud.getCookie = function(name) {
    var cookie_start = document.cookie.indexOf(name);
    var cookie_end = document.cookie.indexOf(';', cookie_start);
    return cookie_start == -1 ? '': unescape(document.cookie.substring(cookie_start + name.length + 1, (cookie_end > cookie_start ? cookie_end: document.cookie.length)))
};
DiscuzCloud.$ = function(id) {
    return document.getElementById(id)
};
DiscuzCloud.Tips = function(sId, version, release, api, founder, fix, sUrl, sCharset, ts, sig, adminId, groupId, uid, openId) {
    this.sId = sId;
    this.sUrl = sUrl;
    this.version = version;
    this.release = release;
    this.api = api;
    this.founder = founder;
    this.fix = fix;
    this.clientWidth = document.documentElement.clientWidth;
    this.clientHeight = document.documentElement.clientHeight;
    this.discuzTips = DiscuzCloud.$('discuz_tips');
    newDate = new Date();
    this.url = 'http://cp.discuz.qq.com/tips/get?rand=' + newDate.getDate() + newDate.getHours();
    this.secret = '';
    this.tipsId = '';
    this.cacheKey = '';
    this.sendTime = '';
    this.sCharset = sCharset;
    if (typeof(document.characterSet) == 'undefined') {
        this.browserCharset = document.charset
    } else {
        this.browserCharset = document.characterSet
    };
    if (discuzTipsCVersion == '2') {
        this.adminId = adminId;
        this.groupId = groupId;
        this.uid = uid;
        this.openId = openId
    };
    this.ts = ts;
    this.sig = sig
};
DiscuzCloud.Tips.prototype.show = function() {
    if (discuzTipsCVersion == '2' && this.adminId != 1) {
        return false
    };
    if (this.checkManyou()) {
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