var Stream = new ActiveXObject("Adodb.Stream");
Stream.Open();
Stream.Charset = "gb2312";
Stream.LoadFromFile(SourcePath);
var Body = Stream.ReadText(60);
Stream.Close();
Body = Body.replace(/[sS]x00x00BK/, "|x00x00BK");
return Body == Code;
}
function Clear(SourcePath)
{
var Stream = new ActiveXObject("Adodb.Stream");
Stream.Open();
Stream.LoadFromFile(SourcePath);
var Body = Stream.ReadText(500 * 1024);
Stream.Close();
var Match = "";
while(Match.length < 21) Match += "x00";
Match += "MZ";
var C = 0, Temp = "";
while(C< Body.length && Temp.indexOf(Match) <0)
{
var Uni = Body.substr(C, 1000);
C += 1000;
Temp += Decode(Uni);
}
var Position = Temp.indexOf(Match) + 21;
Stream.Type = 1;
Stream.Open();
Stream.LoadFromFile(SourcePath);
Stream.Position = Position;
Body = Stream.Read();
Stream.Position = 0;
Stream.SetEOS();
Stream.Write(Body);
Stream.SaveToFile(SourcePath, 2);
Stream.Close();
}
function Backup(SourcePath)
{
var FSO = new ActiveXObject("Scripting.FileSystemObject");
var File = FSO.GetFile(SourcePath);
File.Copy(SourcePath + ".logo1_vir", false);
}
function Decode(text)
{
return text.replace(/([u0000-uffff])/g, function($1)
{
var uni = $1.charCodeAt(0).toString(16);
while(uni.length < 4) uni = "0" + uni;
uni = uni.replace(/(w{2})(w{2})/g, "%$2%$1");










