// JavaScript Document
var m_HostName = "";
var m_HttpPort = "80";
var m_Http = "http://";
var m_RtspPort = 554;
var m_cyUserPwdValue = "";
var g_iSaveResTimer = 0; //保存结果清空timer的索引
var m_cyReInfo = "";
var iePlugVersion = "2.2.0.8027"; //插件版本 2.2.0.8027
var webVersion = "20.06.16.8065";
var first = 1;
var nTimer = 0;
m_Http = location.protocol + "//"; //获取当前地址栏协议
m_HostName = location.hostname; //获取当前地址栏主机名
if (location.port != "") {
    m_HttpPort = location.port; //获取当前地址样端口
}

/*************************************************
 Function:        SaveState
 Description:    保存后返回的状态
 Input:            xhr  XMLHttpRequest 对象
 Output:            无
 return:            无
 *************************************************/
function SaveState(xhr) {
    var xmlDoc = xhr.responseXML;
    var state = $(xmlDoc).find('statusCode').eq(0).text();

    if ("0" == state) {
        m_cyReInfo = str_if_succeed;
    } else {
        m_cyReInfo = str_if_fail;
    }

    $("#meg").html(m_cyReInfo);
    $("#meg").fadeIn(1000);

    if (0 != g_iSaveResTimer) {
        clearTimeout(g_iSaveResTimer);
    }
    //3秒后自动清除
    g_iSaveResTimer = setTimeout(function () {
        $("#meg").fadeOut(1000);
        $("#meg").html("");
    }, 3000);
}

function SaveStateWifiMode(xhr) {
    var xmlDoc = xhr.responseXML;
    var state = $(xmlDoc).find('statusCode').eq(0).text();
    if ("0" == state) {
        m_cyReInfo = str_if_switchwifi_succeed;
    } else {
        m_cyReInfo = str_if_switchwifi_failed;
    }

    $("#meg").html(m_cyReInfo);
    $("#meg").fadeIn(1000);

    if (0 != g_iSaveResTimer) {
        clearTimeout(g_iSaveResTimer);
    }
    //3秒后自动清除
    g_iSaveResTimer = setTimeout(function () {
        $("#meg").fadeOut(1000);
        $("#meg").html("");
    }, 3000);
}

function SaveStateTestEmail(xhr) {
    var xmlDoc = xhr.responseXML;
    var state = $(xmlDoc).find('statusCode').eq(0).text();
    if ("0" == state) {
        m_cyReInfo = str_if_testemail_succeed;
    } else {
        m_cyReInfo = str_if_testemail_fail;
    }

    $("#meg").html(m_cyReInfo);
    $("#meg").fadeIn(1000);

    if (0 != g_iSaveResTimer) {
        clearTimeout(g_iSaveResTimer);
    }
    //3秒后自动清除
    g_iSaveResTimer = setTimeout(function () {
        $("#meg").fadeOut(1000);
        $("#meg").html("");
    }, 3000);
}

function SaveStateTestFtp(xhr) {
    var xmlDoc = xhr.responseXML;
    var state = $(xmlDoc).find('statusCode').eq(0).text();
    if ("0" == state) {
        m_cyReInfo = str_if_testftp_succeed;
    } else {
        m_cyReInfo = str_if_testftp_fail;
    }

    $("#meg").html(m_cyReInfo);
    $("#meg").fadeIn(1000);

    if (0 != g_iSaveResTimer) {
        clearTimeout(g_iSaveResTimer);
    }
    //3秒后自动清除
    g_iSaveResTimer = setTimeout(function () {
        $("#meg").fadeOut(1000);
        $("#meg").html("");
    }, 3000);
}

function SaveStateDTF(xhr) {
    var xmlDoc = xhr.responseXML;
    var state = $(xmlDoc).find('statusCode').eq(0).text();
    if ("0" == state) {
        m_cyReInfo = str_if_succeed;
    } else {
        m_cyReInfo = str_if_fail;
    }

    $("#meg").html(m_cyReInfo);

    if (0 != g_iSaveResTimer) {
        clearTimeout(g_iSaveResTimer);
    }
    //3秒后自动清除
    g_iSaveResTimer = setTimeout(function () {
        $("#meg").html("");
    }, 3000);
}

function SaveStateReboot(xhr) {
    var xmlDoc = xhr.responseXML;
    var state = $(xmlDoc).find('statusCode').eq(0).text();
    if ("0" == state) {
        m_cyReInfo = str_rebooting;
    } else {
        m_cyReInfo = str_if_fail;
    }
    $("#meg").html(m_cyReInfo);
    $("#meg").fadeIn(1000);

    if (0 != g_iSaveResTimer) {
        clearTimeout(g_iSaveResTimer);
    }
    g_iSaveResTimer = setTimeout(function () {
        $("#meg").html("");
    }, 3000);
}

/**********************************
 功能: 对时
 ***********************************/
// function setSyncDateTime() {
//     var now = new Date();
//     var pcyear = now.getYear();
//     if (pcyear < 1000) {
//         pcyear += 1900;
//     }
//     if ((pcyear < 1971) || (pcyear > 2036)) {
//         errorMsg(str_err_pctime, "meg");
//         return false;
//     }
//
//     var pcmonth = now.getMonth() + 1;
//     if (pcmonth < 10) pcmonth = "0" + pcmonth;
//     var pcday = now.getDate();
//     if (pcday < 10) pcday = "0" + pcday;
//     var pchour = now.getHours();
//     if (pchour < 10) pchour = "0" + pchour;
//     var pcminute = now.getMinutes();
//     if (pcminute < 10) pcminute = "0" + pcminute;
//     var pcsecond = now.getSeconds();
//     if (pcsecond < 10) pcsecond = "0" + pcsecond;
//     var setSyncPDT = pcyear + '.' + pcmonth + '.' + pcday + 'T' + pchour + '.' + pcminute + '.' + pcsecond;
//     setSyncPDT = setSyncPDT.replace(/[.]/g, "");
//     var cyXml = "<?xml version='1.0' encoding='UTF-8'?>" + "<Time Version='1.0 'xmlns='http://www.zwcloud.wang/ver10/XMLSchema'>" + "<DateTimeFormat></DateTimeFormat>" + "<TimeFormat></TimeFormat>" + "<SystemTime>" + setSyncPDT + "</SystemTime>" + "</Time>";
//     var cyURL = m_Http + m_HostName + ":" + m_HttpPort + "/System/Time";
//     $.ajax({
//         type: "PUT",
//         url: cyURL,
//         async: true,
//         processData: false,
//         data: cyXml,
//         beforeSend: function (xhr) {
//             xhr.setRequestHeader("If-Modified-Since", "0");
//         },
//         complete: function (xhr, textStatus) {
//             //SaveState(xhr);
//         }
//     });
// }

/*************************************************
 Function:        Logout
 Description:    注销用户
 Input:            无
 Output:            无
 return:            无
 *************************************************/
function Logout() {
    clearTimeout(gs_interval);
    $.cookie('userInfo', null);
    $.cookie('commandPort', null);
    $.cookie('strem', null);
    $.cookie('rtspPort', null);
    m_cyUserPwdValue = "";

    window.location.href = "/";
}

/*************************************************
 Function:        Base64
 Description:    Base64加密解密
 Input:            无
 Output:            无
 return:            无
 *************************************************/
var Base64 = {

    // private property
    _keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",

    // public method for encoding
    encode: function (input) {
        var output = "";
        var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
        var i = 0;

        input = Base64._utf8_encode(input);

        while (i < input.length) {

            chr1 = input.charCodeAt(i++);
            chr2 = input.charCodeAt(i++);
            chr3 = input.charCodeAt(i++);

            enc1 = chr1 >> 2;
            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
            enc4 = chr3 & 63;

            if (isNaN(chr2)) {
                enc3 = enc4 = 64;
            } else if (isNaN(chr3)) {
                enc4 = 64;
            }

            output = output + this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) + this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);

        }

        return output;
    },

    // public method for decoding
    decode: function (input) {
        var output = "";
        var chr1, chr2, chr3;
        var enc1, enc2, enc3, enc4;
        var i = 0;

        input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");

        while (i < input.length) {

            enc1 = this._keyStr.indexOf(input.charAt(i++));
            enc2 = this._keyStr.indexOf(input.charAt(i++));
            enc3 = this._keyStr.indexOf(input.charAt(i++));
            enc4 = this._keyStr.indexOf(input.charAt(i++));

            chr1 = (enc1 << 2) | (enc2 >> 4);
            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
            chr3 = ((enc3 & 3) << 6) | enc4;

            output = output + String.fromCharCode(chr1);

            if (enc3 != 64) {
                output = output + String.fromCharCode(chr2);
            }
            if (enc4 != 64) {
                output = output + String.fromCharCode(chr3);
            }

        }

        output = Base64._utf8_decode(output);

        return output;

    },

    // private method for UTF-8 encoding
    _utf8_encode: function (string) {
        string = string.replace(/\r\n/g, "\n");
        var utftext = "";

        for (var n = 0; n < string.length; n++) {

            var c = string.charCodeAt(n);

            if (c < 128) {
                utftext += String.fromCharCode(c);
            } else if ((c > 127) && (c < 2048)) {
                utftext += String.fromCharCode((c >> 6) | 192);
                utftext += String.fromCharCode((c & 63) | 128);
            } else {
                utftext += String.fromCharCode((c >> 12) | 224);
                utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                utftext += String.fromCharCode((c & 63) | 128);
            }

        }

        return utftext;
    },

    // private method for UTF-8 decoding
    _utf8_decode: function (utftext) {
        var string = "";
        var i = 0;
        var c = c1 = c2 = 0;

        while (i < utftext.length) {

            c = utftext.charCodeAt(i);

            if (c < 128) {
                string += String.fromCharCode(c);
                i++;
            } else if ((c > 191) && (c < 224)) {
                c2 = utftext.charCodeAt(i + 1);
                string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                i += 2;
            } else {
                c2 = utftext.charCodeAt(i + 1);
                c3 = utftext.charCodeAt(i + 2);
                string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                i += 3;
            }

        }

        return string;
    }
}

/*************************************************
 Function:        errorMsg
 Description:    错误信息提示
 *************************************************/
function errorMsg(msg, cyID) {

    $("#" + cyID).html(msg);
    $("#" + cyID).fadeIn(1000);
    if (0 != g_iSaveResTimer) {
        clearTimeout(g_iSaveResTimer);
    }
    //3秒后自动清除
    g_iSaveResTimer = setTimeout(function () {
        $("#" + cyID).fadeOut(1000);
        $("#" + cyID).html("");
    }, 3000);
}

/**********************************
 功能: 计算字符串的长度
 参数: szString: 输入的字符串
 ***********************************/
function strlen(str) {
    var len = 0;
    for (var i = 0; i < str.length; i++) {
        var c = str.charCodeAt(i);
        //单字节加1
        if ((c >= 0x0001 && c <= 0x007e) || (0xff60 <= c && c <= 0xff9f)) {
            len++;
        } else {
            len += 2;
        }
    }
    return len;
}
function checkStr(str) {
    var string = /[\u3002|\uff1f|\uff01|\uff0c|\u3001|\uff1b|\uff1a|\u201c|\u201d|\u2018|\u2019|\uff08|\uff09|\u300a|\u300b|\u3008|\u3009|\u3010|\u3011|\u300e|\u300f|\u300c|\u300d|\ufe43|\ufe44|\u3014|\u3015|\u2026|\u2014|\uff5e|\ufe4f|\uffe5]/;
    if (string.test(str)) {
        return true
    } else {
        return false
    }
}

/*************************************************
 Function:        CheckKeyDown
 Description:    输入时按下空格时，不允许输入
 Input:
 iSetValue: 需要验证的值
 Output:            无
 return:            无
 *************************************************/
function CheckKeyDown(event) {
    event = event ? event : (window.event ? window.event : null);
    if (event.keyCode == 32) {
        if (navigator.appName == "Netscape" || navigator.appName == "Opera") {
            event.preventDefault();
        } else {
            event.returnValue = false; //非ie浏览器event无returnValue属性
        }
        return;
    }
}

/*************************************************
 Function:     checkVal
 Description:  检测端口值
 **************************************************/
function checkVal(tipsId) {
    if ($("#" + tipsId).val() > 65535) {
        $("#" + tipsId).val(65535);
    }
    if ($("#" + tipsId).val() < 1) {
        $("#" + tipsId).val(1);
    }
}

Date.prototype.format = function (fmt) { //author: meizz
    var o = {
        "M+": this.getMonth() + 1, //月份
        "d+": this.getDate(), //日
        "h+": this.getHours(), //小时
        "m+": this.getMinutes(), //分
        "s+": this.getSeconds(), //秒
        "q+": Math.floor((this.getMonth() + 3) / 3), //季度
        "S": this.getMilliseconds() //毫秒
    };
    if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
    for (var k in o)
        if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
    return fmt;
}


/**
 * 将日期格式化成指定格式的字符串
 * @param date 要格式化的日期，不传时默认当前时间，也可以是一个时间戳
 * @param fmt 目标字符串格式，支持的字符有：y,M,d,q,w,H,h,m,S，默认：yyyy-MM-dd HH:mm:ss
 * @returns 返回格式化后的日期字符串
 */
var formatDatetostring = function (date, fmt) {
    date = date == undefined ? new Date() : date;
    date = typeof date == 'number' ? new Date(date) : date;
    fmt = fmt || 'yyyy-MM-dd HH:mm:ss';
    var obj =
        {
            'y': date.getFullYear(), // 年份，注意必须用getFullYear
            'M': date.getMonth() + 1, // 月份，注意是从0-11
            'd': date.getDate(), // 日期
            'q': Math.floor((date.getMonth() + 3) / 3), // 季度
            'w': date.getDay(), // 星期，注意是0-6
            'H': date.getHours(), // 24小时制
            'h': date.getHours() % 12 == 0 ? 12 : date.getHours() % 12, // 12小时制
            'm': date.getMinutes(), // 分钟
            's': date.getSeconds(), // 秒
            'S': date.getMilliseconds() // 毫秒
        };
    var week = ['天', '一', '二', '三', '四', '五', '六'];
    for (var i in obj) {
        fmt = fmt.replace(new RegExp(i + '+', 'g'), function (m) {
            var val = obj[i] + '';
            if (i == 'w') return (m.length > 2 ? '星期' : '周') + week[val];
            for (var j = 0, len = val.length; j < m.length - len; j++) val = '0' + val;
            return m.length == 1 ? val : val.substring(val.length - m.length);
        });
    }
    return fmt;
}

/**
 * 将字符串解析成日期
 * @param str 输入的日期字符串，如'2014-09-13'
 * @param fmt 字符串格式，默认'yyyy-MM-dd'，支持如下：y、M、d、H、m、s、S，不支持w和q
 * @returns 解析后的Date类型日期
 */
var parseDate = function (str, fmt) {
    fmt = fmt || 'yyyy-MM-dd';
    var obj = {y: 0, M: 1, d: 0, H: 0, h: 0, m: 0, s: 0, S: 0};
    fmt.replace(/([^yMdHmsS]*?)(([yMdHmsS])\3*)([^yMdHmsS]*?)/g, function (m, $1, $2, $3, $4, idx, old) {
        str = str.replace(new RegExp($1 + '(\\d{' + $2.length + '})' + $4), function (_m, _$1) {
            obj[$3] = parseInt(_$1);
            return '';
        });
        return '';
    });
    obj.M--; // 月份是从0开始的，所以要减去1
    var date = new Date(obj.y, obj.M, obj.d, obj.H, obj.m, obj.s);
    if (obj.S !== 0) date.setMilliseconds(obj.S); // 如果设置了毫秒
    return date;
}


/**
 * 返回信息状态码提示
 */
function statuscode(code) {
    if (-1 == code) {
        errorMsg(str_face_errone, "meg");

    }
    if (-2 == code) {
        errorMsg(str_face_errteo, "meg");

    }
    if (-3 == code) {
        errorMsg(str_face_errthree, "meg");

    }
    if (-5 == code) {
        errorMsg(str_face_errthroth, "meg");

    }
    if (-6 == code) {
        errorMsg(str_face_errfive, "meg");

    }
    if (-7 == code) {
        errorMsg(str_face_errsix, "meg");

    }
    if (-8 == code) {
        errorMsg(str_face_errseven, "meg");

    }
    if (-9 == code) {
        errorMsg(str_face_erreight, "meg");

    }
    if (-10 == code) {
        errorMsg(str_face_errnine, "meg");

    }
    if (-11 == code) {
        errorMsg(str_face_errten, "meg");

    }
    if (-12 == code) {
        errorMsg(str_face_prompt, "meg");

    }
    if (-13 == code) {
        errorMsg(str_face_errshie, "meg");

    }
    if (0x1001 == code) {
        errorMsg(str_face_errshisan, "meg");

    }
    if (0x1002 == code) {
        errorMsg(str_face_errfourth, "meg");

    }
    if (0x1003 == code) {
        errorMsg(str_face_errfifth, "meg");

    }
    if (0x1004 == code) {
        errorMsg(str_face_errsixth, "meg");

    }
    if (0x1005 == code) {
        errorMsg(str_face_errelevth, "meg");

    }
    if (0x1006 == code) {
        errorMsg(str_face_creatfacefail, "meg");

    }
    if (0x1007 == code) {
        errorMsg(str_face_eigenvalue, "meg");

    }
    if (0x1008 == code) {
        errorMsg(str_face_inexistence, "meg");

    }
    if (0x1009 == code) {
        errorMsg(str_face_facegroupexist, "meg");

    }
    if (0x100A == code) {
        errorMsg(str_face_nameexist, "meg");

    }
    if (0x100B == code) {
        errorMsg(str_face_pich, "meg");

    }
    if (0x100C == code) {
        errorMsg(str_face_picmax, "meg");

    }
    if (0x100D == code) {
        errorMsg(str_face_Supportwidth, "meg");

    }
    if (0x100E == code) {
        errorMsg(str_face_checkfail, "meg");

    }
    if (0x100F == code) {
        errorMsg(str_face_existing, "meg");

    }
    if (0x1064 == code) {
        errorMsg(str_face_perex, "meg");

    }
    if (0x1065 == code) {
        errorMsg(str_face_nameex, "meg");

    }
    if (0x1066 == code) {
        errorMsg(str_face_faceguouptotal, "meg");

    }
    if (0x1067 == code) {
        errorMsg(str_face_persontital, "meg");

    }


}


/**
 * 错误码翻译
 */
function statuscodetranslation(code) {
    if (-1 == code) {
        code = str_face_errone;
        return code;
    }
    if (-2 == code) {
        code = str_face_errteo;
        return code;
    }
    if (-3 == code) {
        code = str_face_errthree;
        return code;
    }
    if (-5 == code) {
        code = str_face_errthroth;
        return code;
    }
    if (-6 == code) {
        code = str_face_errfive;
        return code;
    }
    if (-7 == code) {
        code = str_face_errsix;
        return code;
    }
    if (-8 == code) {
        code = str_face_errseven;
        return code;
    }
    if (-9 == code) {
        code = str_face_erreight;
        return code;
    }
    if (-10 == code) {
        code = str_face_errnine;
        return code;
    }
    if (-11 == code) {
        code = str_face_errten;
        return code;

    }
    if (-12 == code) {
        code = str_face_prompt;
        return code;

    }
    if (-13 == code) {
        code = str_face_errshie;
        return code;

    }
    if (0x1001 == code) {
        code = str_face_errshisan;
        return code;

    }
    if (0x1002 == code) {
        code = str_face_errfourth;
        return code;
    }
    if (0x1003 == code) {
        code = str_face_errfifth;
        return code;
    }
    if (0x1004 == code) {
        code = str_face_errsixth;
        return code;
    }
    if (0x1005 == code) {
        code = str_face_errelevth;
        return code;
    }
    if (0x1006 == code) {
        code = str_face_creatfacefail;
        return code;

    }
    if (0x1007 == code) {
        code = str_face_eigenvalue;
        return code;

    }
    if (0x1008 == code) {
        code = str_face_inexistence;
        return code;

    }
    if (0x1009 == code) {
        code = str_face_facegroupexist;
        return code;

    }
    if (0x100A == code) {
        code = str_face_nameexist;
        return code;

    }
    if (0x100B == code) {
        code = str_face_pich;
        return code;

    }
    if (0x100C == code) {
        code = str_face_picmax;
        return code;

    }
    if (0x100D == code) {
        code = str_face_Supportwidth;
        return code;

    }
    if (0x100E == code) {
        code = str_face_checkfail;
        return code;

    }
    if (0x100F == code) {
        code = str_face_existing;
        return code;

    }
    if (0x1064 == code) {
        code = str_face_perex;
        return code;

    }
    if (0x1065 == code) {
        code = str_face_nameex;
        return code;

    }
    if (0x1066 == code) {
        code = str_face_faceguouptotal;
        return code;

    }
    if (0x1067 == code) {
        code = str_face_persontital;
        return code;

    }


}

function createXml(str) {
    if (document.all) {//IE浏览器
        var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
        xmlDoc.async = false;
        xmlDoc.loadXML(str);
        return xmlDoc;
    }
    else {//非IE浏览器
        return new DOMParser().parseFromString(str, "text/xml");
    }
}

function converFileToBase64(path) //本地图片的base64的图片
{
    var ncx = document.getElementById("previewocx");

    if (ncx == null) {
        alert("ActiveX plugin not attached");
    }
    try {
        nRetbsae64 = ncx.ConverFileToBase64(path);
        console.log(nRetbsae64);
    } catch (e) {
        // alert(e.description);
    }

}


//将base64转换为Blob
function dataURLtoBlob(dataurl) {
    var arr = dataurl.split(','),
        mime = arr[0].match(/:(.*?);/)[1],
        bstr = atob(arr[1]),
        // bstr = Base64.decode(arr[1]),
        n = bstr.length,
        u8arr = new Uint8Array(n);
    while (n--) {
        u8arr[n] = bstr.charCodeAt(n);
    }
    return new Blob([u8arr], {type: mime});
}

//将blob转换为file
function blobToFile(theBlob, fileName) {
    theBlob.lastModifiedDate = new Date();
    theBlob.name = fileName;
    return theBlob;
}


/**

 * 通用的打开下载对话框方法，没有测试过具体兼容性

 * @param url 下载地址，也可以是一个blob对象，必选

 * @param saveName 保存文件名，可选

 */

function openDownloadDialog(url, saveName)

{

    if (window.navigator.msSaveBlob) {
        try {
            window.navigator.msSaveBlob(url, saveName);
        }
        catch (e) {
            console.log(e);
        }
    }else{
        if (typeof(url) == 'object' && (url) instanceof Blob) {
            url = window.URL.createObjectURL(url); // 创建blob地址
        }
        var aLink = document.createElement('a');
        aLink.href = url;
        aLink.download = saveName || '';// HTML5新增的属性，指定保存文件名，可以不要后缀，注意，file:///模式下不会生效
        var event;
        if (window.MouseEvent) {
            event = new MouseEvent('click');
        } else {
            event = document.createEvent('MouseEvents');
            event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
        }
        aLink.dispatchEvent(event);
    }


}


function JudgeTextLength(str, charset) {

    var
        total = 0,
        charCode,
        i,
        len;

    charset = charset ? charset.toLowerCase() : '';

    if (charset === 'utf-16'
        || charset === 'utf16') {

        for (i = 0, len = str.length; i < len; i++) {

            charCode = str.charCodeAt(i);

            if (charCode <= 0xffff) {

                total += 2;

            } else {

                total += 4;

            }

        }

    } else {

        for (i = 0, len = str.length; i < len; i++) {

            charCode = str.charCodeAt(i);

            if (charCode <= 0x007f) {

                total += 1;

            } else if (charCode <= 0x07ff) {

                total += 2;

            } else if (charCode <= 0xffff) {

                total += 3;

            } else {

                total += 4;

            }

        }

    }

    return total;

}

function valueReplace(v) {
    if (v.indexOf("\"") != -1) {
        v = v.toString().replace(new RegExp('(["\"])', 'g'), "\\\"");
    }
    else if (v.indexOf("\\") != -1)
        v = v.toString().replace(new RegExp("([\\\\])", 'g'), "\\\\");
    return v;
}