js读取配置文件

自己写的用js读取配置文件的程序

D:\Useful Stuff\Javascript\mytest.txt
文件内容如下

[plugin_page_search]
wholeword=0
matchcase=1
hightlight=1
total=1

[data]
up=85
down=5

    var fso = new ActiveXObject("Scripting.FileSystemObject");
    var f = fso.OpenTextFile("D:\\Useful Stuff\\Javascript\\mytest.txt",1);
    var s = "";
    while (!f.AtEndOfStream)
    {
    s+= f.ReadLine();
    }
    f.Close();

      function getINI(item,key)
      {
      new RegExp("\\["+item+"\\](.+)").exec(s);
      var str=RegExp.$1;
      var reg2=/(\w+)=(\d+)/;
      var keyValue={};
      str.replace(reg2,function(a,b,c){
      keyValue[b]=c;
      });
      return keyValue[key];
      }
      alert(getINI("data","up"));
      alert(getINI("plugin_page_search","hightlight"));