(function(window,document,undefined){
    // upLogger对象是采集脚本对外提供的操作对象
    if (window.upLogger){//如果不为空，直接返回，避免重复安装
        return;
    }
    var upBeaconUtil ={//日志记录工具类
        jsName:\'up_beacon.js\',//程序名称
        defaultVer:20120607,//版本日期
        getVersion:function(){//获取版本号
            var e = this.jsName;
            var a = new RegExp(e + "(\\?(.*))?$");
            var d = document.getElementsByTagName("script");
            for (var i = 0;i < d.length;i++){
                var b = d[i];
                if (b.src && b.src.match(a)){
                    var z = b.src.match(a)[2];
                    if (z && (/^[a-zA-Z0-9]+$/).test(z)){
                         return z;
                    }
                }
            }
            return this.defaultVer;
        },
        setCookie:function(sName,sValue,oExpires,sPath,sDomain,bSecure){//设置cookie信息
            var currDate = new Date(),
                sExpires = typeof oExpires == \'undefined\'?\'\':\';expires=\' + new Date(currDate.getTime() + (oExpires * 24 * 60 * 60* 1000)).toUTCString();
            document.cookie = sName + \'=\' + sValue + sExpires + ((sPath == null)?\'\':(\' ;path=\' + sPath)) + ((sDomain == null)?\'\':(\' ;domain=\' + sDomain)) + ((bSecure == true)?\' ; secure\':\'\');
        },
        getCookie:function(sName){//获取cookie信息
            var regRes = document.cookie.match(new RegExp("(^| )" + sName + "=([^;]*)(;|$)"));
            return (regRes != null)?unescape(regRes[2]):\'-\';
        },
        getRand:function(){// 生产页面的唯一标示
            var currDate = new Date();
            var randId = currDate.getTime() + \'-\';    
            for (var i = 0;i < 32;i++)
            {
                randId += Math.floor(Math.random() * 10);    
            }
            return randId;
        },
        parseError:function(obj){
            var retVal = \'\';
            for (var key in obj){
                retVal += key + \'=\' + obj[key] + \';\';    
            }
            return retVal;
        },
        getParam:function(obj,flag){// 参数转化方法
            var retVal = null;
            if (obj){
                if (upBeaconUtil.isString(obj) || upBeaconUtil.isNumber(obj)){
                    retVal = obj;    
                }else{
                    if (upBeaconUtil.isObject(obj)){
                        var tmpStr = \'\';
                        for (var key in obj){
                            if (obj[key] != null && obj[key] != undefined){
                                var tmpObj = obj[key];
                                if (upBeaconUtil.isArray(tmpObj)){
                                    tmpObj = tmpObj.join(\',\');    
                                }else{
                                    if (upBeaconUtil.isDate(tmpObj)){
                                        tmpObj = tmpObj.getTime();    
                                    }
                                }
                                tmpStr += key + \'=\' + tmpObj + \'&\';
                            }
                        }
                        tmpStr = tmpStr.substring(0,tmpStr.length - 1);
                        retVal = tmpStr;
                    }else{
                        if (upBeaconUtil.isArray(obj)){
                            if (upBeaconUtil.length & upBeaconUtil.length > 0){
                                retVal = obj.join(\',\');
                            }
                        }else{
                            retVal = obj.toString();    
                        }
                    }
                }
            }
            
            if (!retVal){
                retVal = \'-\';    
            }
            
            if (flag){
                retVal = encodeURIComponent(retVal);
                retVal = this.base64encode(retVal);
            }
            return retVal;
        },
        base64encode: function(G) {//base64加密
            var A = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
            var C, E, z;
            var F, D, B;
            z = G.length;
            E = 0;
            C = "";
            while (E < z) {
                F = G.charCodeAt(E++) & 255;
                if (E == z) {
                    C += A.charAt(F >> 2);
                    C += A.charAt((F & 3) << 4);
                    C += "==";
                    break
                }
                D = G.charCodeAt(E++);
                if (E == z) {
                    C += A.charAt(F >> 2);
                    C += A.charAt(((F & 3) << 4) | ((D & 240) >> 4));
                    C += A.charAt((D & 15) << 2);
                    C += "=";
                    break
                }
                B = G.charCodeAt(E++);
                C += A.charAt(F >> 2);
                C += A.charAt(((F & 3) << 4) | ((D & 240) >> 4));
                C += A.charAt(((D & 15) << 2) | ((B & 192) >> 6));
                C += A.charAt(B & 63)
            }
            return C
        },
        getDomain:function(){//获取网站的域名
            return document.URL.substring(document.URL.indexOf("://") + 3,document.URL.lastIndexOf("\/"));
        },
        isString:function(obj){// 判断是不是String类型
            return (obj != null) && (obj != undefined) && (typeof obj == \'string\') && (obj.constructor == String);    
        },
        isNumber:function(obj){// 判断是否是数组
            return (typeof obj == \'number\') && (obj.constructor == Number);    
        },
        isDate:function(obj){// 判断是否是日期
            return obj && (typeof obj == \'object\') && (obj.constructor == Date);
        },
        isArray:function(obj){//判断是否是数组
            return obj && (typeof obj == \'object\') && (obj.constructor == Array);    
        },
        isObject:function(obj){//判断是否是对象
            return obj && (typeof obj == \'object\') && (obj.constructor == Object)    
        },
        trim:function(str){// 去除左右两边空格
            return str.replace(/(^\s*)|(\s*$)/, "");;
        }
    },
    beacon_vist_num = isNaN(beacon_vist_num = +upBeaconUtil.getCookie(\'up_beacon_vist_count\')) ? 1:beacon_vist_num + 1;// 从cookie里获取访问次数
    upBeaconUtil.setCookie(\'up_beacon_vist_count\',beacon_vist_num);//记录新的访问次数
    var setUpBeaconId = function(){
        var sUpBeaconId = upBeaconUtil.trim(upBeaconUtil.getCookie(\'up_beacon_id\'));
        if (sUpBeaconId == undefined || sUpBeaconId == null || sUpBeaconId == \'\' || sUpBeaconId == \'-\'){
            upBeaconUtil.setCookie(\'up_beacon_id\',(upBeaconUtil.getDomain() + \'.\' + (new Date()).getTime()));
        }        
    }(),
    beaconMethod = {
        uvId:\'up_beacon_id\',// 
        memId:\'up_dw_track\'    ,
        beaconUrl:\'127.0.0.1/a.gif\',//记录访问日志的url
        errorUrl:\'127.0.0.1/error.html\',//记录错误日志的url
        clickUrl:\'127.0.0.1/click.html\',//记录click日志的url 
        pageId:typeof _beacon_pageid != \'undefined\'?_beacon_pageid:(_beacon_pageid = upBeaconUtil.getRand()),//生产pageId(页面唯一标示)
        protocol:function(){//请求的协议例如http://
            var reqHeader = location.protocol;
            if (\'file:\' === reqHeader){
                reqHeader = \'http:\';    
            }
            return reqHeader + \'//\';
        },
        tracking:function(){// 记录访问日志的方法（对外）
            this.beaconLog();
        },
        getRefer:function(){// 获取上游页面信息
            var reqRefer = document.referrer;
            reqRefer == location.href && (reqRefer = \'\');
            try{
                reqRefer = \'\' == reqRefer ? opener.location:reqRefer;
                reqRefer = \'\' == reqRefer ? \'-\':reqRefer;
            }catch(e){
                reqRefer = \'-\';
            }
            return reqRefer;
        },
        beaconLog:function(){// 记录访问日志方法
            try{
                var httpHeadInd = document.URL.indexOf(\'://\'),
                    httpUrlContent = \'{\' + upBeaconUtil.getParam(document.URL.substring(httpHeadInd + 2)) + \'}\',
                    hisPageUrl = \'{\' + upBeaconUtil.getParam(this.getRefer()) + \'}\',
                    ptId = upBeaconUtil.getCookie(this.memId),
                    cId = upBeaconUtil.getCookie(this.uvId),
                    btsVal = upBeaconUtil.getCookie(\'b_t_s\'),
                    beanconMObj = {};
                var btsFlag = btsVal == \'-\' || btsVal.indexOf(\'s\') == -1;
                if (ptId != \'-\'){
                    beanconMObj.memId = ptId;    
                }
                if (btsFlag){
                    beanconMObj.subIsNew = 1;
                    upBeaconUtil.setCookie(\'b_t_s\',btsVal == \'-\' ? \'s\' : (btsVal + \'s\'),10000,\'/\');
                }else{
                    beanconMObj.subIsNew = 0;    
                }
                var logParams = \'{\' + upBeaconUtil.getParam(beanconMObj) + \'}\',
                    logPageId = this.pageId,
                    logTitle = document.title;
                if (logTitle.length > 25){
                    logTitle = logTitle.substring(0,25);
                }
                logTitle = encodeURIComponent(logTitle);
                var logCharset = (navigator.userAgent.indexOf(\'MSIE\') != -1) ? document.charset : document.characterSet,
                    logQuery = \'{\' + upBeaconUtil.getParam({
                        pageId:logPageId,
                        title:logTitle,
                        charset:logCharset,
                        sr:(window.screen.width + \'*\' + window.screen.height)
                    }) + \'}\';
                var sparam = {
                    logUrl:httpUrlContent,
                    logHisRefer:hisPageUrl,
                    logParams:logParams,
                    logQuery:logQuery
                };
                this.sendRequest(this.beaconUrl,sparam);
            }catch(ex){
                this.sendError(ex);    
            }
        },
        clickLog:function(sparam){// 记录点击日志
            try{
                // 获得pageId
                var clickPageId = this.pageId;
                if (!clickPageId){// 当pageId值为空，重新计算pageId
                    this.pageId = upBeaconUtil.getRand();
                    clickPageId    = this.pageId;
                }
                var clickAuthId = this.authId;//authId是针对某个网站的唯一标示
                if (!clickAuthId){
                    clickAuthId = \'-\';    
                }
                if (upBeaconUtil.isObject(sparam)){// 当传入参数是javascript对象
                    sparam.pageId = clickPageId;
                    sparam.authId = clickAuthId;    
                }else{
                    if (upBeaconUtil.isString(sparam) && sparam.indexOf(\'=\') > 0){// 当传入参数是字符串
                        sparam += \'&pageId=\' + clickPageId + "&authId=" + clickAuthId;
                    }else{
                        if (upBeaconUtil.isArray(sparam)){// 当传入参数是数组
                            sparam.push("pageId=" + clickPageId);
                            sparam.push("authId=" + clickAuthId);
                            sparam = sparam.join(\'&\');//数组转化为字符串
                        }else{// 其他数据类型
                            sparam = {pageId:clickPageId,authId:clickAuthId};    
                        }
                    }
                }
                this.sendRequest(this.clickUrl, sparam);// 发送点击日志
            }catch(ex){
                this.sendError(ex);        
            }
        },
        sendRequest:function(url,params){// 日志发送方法
            var urlParam = \'\',currDate = new Date();
            try{
                if (params){
                    urlParam = upBeaconUtil.getParam(params,false);
                    urlParam = (urlParam == \'\')?urlParam:(urlParam + \'&\');
                }
                var tmpUrlParam = \'ver=\' + upBeaconUtil.getVersion() + \'&time=\' + currDate.getTime();
                url = this.protocol() + url + \'?\' + urlParam + tmpUrlParam;
                
                var logImage = new Image();
                logImage.onload = function(){
                    logImage = null;    
                }
                logImage.src = url;
            }catch(e){
                this.sendError(e);
            }
        },
        sendError:function(ex){// 发送错误日志
            var errURIParams = upBeaconUtil.parseError(ex),
                errURL = this.errorUrl + \'?type=send&exception=\' + encodeURIComponent(errURIParams.toString()),
                errImage = new Image();
            errImage.onload = function(){
                errImage = null;    
            };
            errImage.src = this.protocol() + errURL;
        }
    };
    beaconMethod.tracking();
    window.upLogger = beaconMethod;//构建window的upLogger对象
})(window,document);