base64的js怎么运行？（在线）

<script>
//UnicodeAnsi.js文件
//把Unicode转成Ansi和把Ansi转换成Unicode
function UnicodeChr(){
return '00A4,00A7,00A8,00B0,00B1,00B7,00D7,00E0,00E1,00E8,00E9,00EA,00EC,00ED,00F2,00F3,00F7,00F9,00FA,00FC,0101,0113,011B,012B,014D,016B,01CE,01D0,01D2,01D4,01D6,01D8,01DA,01DC,02C7,02C9,0391,0392,0393,0394,0395,0396,0397,0398,0399,039A,039B,039C,039D,039E,039F,03A0,03A1,03A3,03A4,03A5,03A6,03A7,03A8,03A9,03B1,03B2,03B3,03B4,03B5,03B6,03B7,03B8,03B9,03BA,03BB,03BC,03BD,03BE,03BF,03C0,03C1,03C3,03C4,03C5,03C6,03C7,03C8,03C9,0401,0410,0411,0412,0413,0414,0415,0416,0417,0418,0419,041A,041B,041C,041D,041E,041F,0420,0421,0422,0423,0424,0425,0426,0427,0428,0429,042A,042B,042C,042D,042E,042F,0430,0431,0432,0433,0434,0435,0436,0437,0438,0439,043A,043B,043C,043D,043E,043F,0440,0441,0442,8702,8703,8707,8708,8709,870A,870D,8712,8713,8715,8717,8718,871A,871C,871E,8721,8722,8723,8725,8729,872E,8731,8734,,FF18,FF19,FF1A,FF1B,FF1C,FF1D,FF1E,FF1F,FF20,FF21,FF22,FF23,FF24,FF25,FF26,FF27,FF28,FF29,FF2A,FF2B,FF2C,FF2D,FF2E,FF2F,FF30,FF31,FF32,FF33,FF34,FF35,FF36,FF37,FF38,FF39,FF3A,FF3B,FF3C,FF3D,FF3E,FF3F,FF40,FF41,FF42,FF43,FF44,FF45,FF46,FF47,FF48,FF49,FF4A,FF4B,FF4C,FF4D,FF4E,FF4F,FF50,FF51,FF52,FF53,FF54,FF55,FF56,FF57,FF58,FF59,FF5A,FF5B,FF5C,FF5D,FF5E,FFE0,FFE1,FFE3,FFE5';
}
function AnsicodeChr(){
return 'A1E8,A1EC,A1A7,A1E3,A1C0,A1A4,A1C1,A8A4,A8A2,A8A8,A8A6,A8BA,A8AC,A8AA,A8B0,A8AE,A1C2,A8B4,A8B2,A8B9,A8A1,A8A5,A8A7,A8A9,A8AD,A8B1,A8A3,A8AB,A8AF,A8B3,A8B5,A8B6,A8B7,A8B8,A1A6,A1A5,A6A1,A6A2,A6A3,A6A4,A6A5,A6A6,A6A7,A6A8,A6A9,A6AA,A6AB,A6AC,A6AD,A6AE,A6AF,A6B0,A6B1,A6B2,A6B3,A6B4,A6B5,A6B6,A6B7,A6B8,A6C1,A6C2,A6C3,A6C4,,CAFC,BFB5,D3B9,E2D5,E2D7,C1AE,C0C8,E2DB,E2DA,C0AA,C1CE,E2DC,E2DD,E2DE,DBC8,D1D3,CDA2,BDA8,DEC3,D8A5,BFAA,DBCD,D2EC,C6FA,C5AA,DEC4,B1D7,DFAE,CABD,DFB1,B9AD,D2FD,B8A5,BAEB,B3DA,B5DC,D5C5,C3D6,CFD2,BBA1,E5F3,E5F2,E5F4,CDE4,C8F5,B5AF,C7BF,E5F6,ECB0,E5E6,B9E9,B5B1,C2BC,E5E8,E5E7,E5E9,D2CD,E1EA,D0CE,CDAE,D1E5,B2CA,B1EB,B1F2,C5ED,D5C3,D3B0,E1DC,E1DD,D2DB,B3B9,B1CB,CDF9,D5F7,E1DE,BEB6,B4FD,E1DF,BADC,E1E0,BBB2,C2C9,E1E1,D0EC,CDBD,E1E2,B5C3,C5C7,E1E3,E1E4,D3F9,E1E5,D1AD,E1E6,CEA2,E1E7,B5C2,E1E8,BBD5,D0C4,E2E0,B1D8,D2E4,E2E1,BCC9,C8CC,E2E3,ECFE,ECFD,DFAF,E2E2,D6BE,CDFC,C3A6,E3C3,D6D2,E2E7,E2E8,D3C7,E2EC,BFEC,E2ED,E2E5,B3C0,C4EE,E2EE,D0C3,BAF6,E2E9,B7DE,BBB3,CCAC,CBCB,E2E4,E2E6,B1A9,E5DF,EAD5,CAEF,EAD6,EAD7,C6D8,EAD8,EAD9,D4BB,C7FA,D2B7,B8FC,EAC2,B2DC,C2FC,D4F8,CCE6,D7EE,D4C2,D3D0,EBC3,C5F3,B7FE,EBD4,CBB7,,DAB0,DAAF,D2EB,DAB1,DAB2,DAB3,CAD4,DAB4,CAAB,DAB5,DAB6,B3CF,D6EF,DAB7,BBB0,B5AE,DAB8,DAB9,B9EE,D1AF,,E6E4,E6E6,E6E7,C2EE,BDBE,E6E8,C2E6,BAA7,E6E9,E6EA,B3D2,D1E9,BFA5,E6EB,C6EF,E6EC,E6ED,E6EE,C6AD,E6EF,C9A7,E6F0,E6F1,E6F2,E5B9,E6F3,E6F4,C2E2,,A3E1,A3E2,A3E3,A3E4,A3E5,A3E6,A3E7,A3E8,A3E9,A3EA,A3EB,A3EC,A3ED,A3EE,A3EF,A3F0,A3F1,A3F2,A3F3,A3F4,A3F5,A3F6,A3F7,A3F8,A3F9,A3FA,A3FB,A3FC,A3FD,A1AB,A1E9,A1EA,A3FE,A3A4';
}
function UnicodeToAnsi(chrCode)
{
        var chrHex=chrCode.toString(16);
        chrHex="000"+chrHex.toUpperCase();
        chrHex=chrHex.substr(chrHex.length-4);
        var i=UnicodeChr().indexOf(chrHex);//用javascript实现Base64编码—解决中文问题
        if(i!=-1)
        {
                chrHex=AnsicodeChr().substr(i,4);
        }
        return parseInt(chrHex,16)
}
function AnsiToUnicode(chrCode)
{
        var chrHex=chrCode.toString(16);
        chrHex="000"+chrHex.toUpperCase();
        chrHex=chrHex.substr(chrHex.length-4);
        var i=AnsicodeChr().indexOf(chrHex);
        if(i!=-1)
        {
                chrHex=UnicodeChr().substr(i,4);
        }
        return parseInt(chrHex,16)
}
//将Unicode编码的字符串，转换成Ansi编码的字符串
function strUnicode2Ansi(asContents)
{
        var len1=asContents.length;
        var temp="";
        for(var i=0;i<len1;i++)
        {
                var varasc=asContents.charCodeAt(i);
                if(varasc<0)
                        varasc+=65536;
                if(varasc>127)
                        varasc=UnicodeToAnsi(varasc);
                if(varasc>255)
                {
                        var varlow=varasc & 65280;
                        varlow=varlow>>8;
                        var varhigh=varasc & 255;
                        temp+=String.fromCharCode(varlow)+String.fromCharCode(varhigh);
                }
                else
                {
                        temp+=String.fromCharCode(varasc);
                }
        }
        return temp;
}
//将Ansi编码的字符串，转换成Unicode编码的字符串
function strAnsi2Unicode(asContents)
{
        var len1=asContents.length;
        var temp="";
        var chrcode;
        for(var i=0;i<len1;i++)
        {
                var varasc=asContents.charCodeAt(i);
                if(varasc>127)
                {
                        chrcode=AnsiToUnicode((varasc<<8)+asContents.charCodeAt(++i));
                }
                else
                {
                        chrcode=varasc;
                }
                temp+=String.fromCharCode(chrcode);
        }
        return temp;
}
</script>
<script language = "JavaScript">
   var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
  //将Ansi编码的字符串进行Base64编码
   function encode64(input) {
      var output = "";
      var chr1, chr2, chr3 = "";
      var enc1, enc2, enc3, enc4 = "";
      var i = 0;
      do {
                 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 +
            keyStr.charAt(enc1) +
            keyStr.charAt(enc2) +
            keyStr.charAt(enc3) +
            keyStr.charAt(enc4);
         chr1 = chr2 = chr3 = "";
         enc1 = enc2 = enc3 = enc4 = "";
      } while (i < input.length);
      return output;
   }
  //将Base64编码字符串转换成Ansi编码的字符串
   function decode64(input) {
      var output = "";
      var chr1, chr2, chr3 = "";
      var enc1, enc2, enc3, enc4 = "";
      var i = 0;
          if(input.length%4!=0)
          {
                    return "";
          }
      var base64test = /[^A-Za-z0-9\+\/\=]/g;
          if (base64test.exec(input))
          {
                    return "";
          }
      do {
         enc1 = keyStr.indexOf(input.charAt(i++));
         enc2 = keyStr.indexOf(input.charAt(i++));
         enc3 = keyStr.indexOf(input.charAt(i++));
         enc4 = 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+=String.fromCharCode(chr2);
         }
         if (enc4 != 64) {
                        output+=String.fromCharCode(chr3);
         }
         chr1 = chr2 = chr3 = "";
         enc1 = enc2 = enc3 = enc4 = "";
      } while (i < input.length);
      return output;
   }
   var de=encode64(strUnicode2Ansi("中国人"));
   var en=strAnsi2Unicode(decode64(de));
   document.writeln(de+"<br>");
   document.writeln(en+"<br>");
</script>－－－－－－－－－－－－－－－－－－－－－－－－－－－我在我文件中嵌入<script src="en_de_code.js" type="text/javascript"></script>
<link href="style/style.css" rel="stylesheet" type="text/css"><table width="600" border="0" align="center" cellpadding="0" cellspacing="1" bgcolor="#0000FF">
  <tr>
    <td colspan="4" bgcolor="#FFFFFF" class="FileHead">存储数据
  <script>
   var de=encode64(strUnicode2Ansi("中国人"));
   var en=strAnsi2Unicode(decode64(de));
   document.writeln(de+"ddd");
   document.writeln(en+"ddd");
   </script>
   </td>
  </tr>＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝但是数据不运行，哪位高手帮助一下