Как послать запрос HTTP 1.1

[Izhic]

Снифер возвращает , что это HTTP 1.0
Как сделать HTTP1.1?
~~~~~~~~~~
И ещё ... куда писать keep-alive:300

procedure TForm1.Button1Click(Sender: TObject);
var
 S: TStringList;
 P,I: integer;
 USD,EUR,AFS,pM,pP: string;

  ls: TStringList;
begin

 HTTP:=TIdHTTP.Create(nil);
 HTTP.HandleRedirects:=true;

 HTTP.ProtocolVersion:=pv1_1; 
 HTTP.Request.Host:='bit-team.com';
 HTTP.Request.UserAgent:='Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2';
 HTTP.Request.Accept:='text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8';
 HTTP.Request.AcceptLanguage:='ru,en-us;q=0.7,en;q=0.3';
 HTTP.Request.AcceptEncoding:='gzip, deflate';
 HTTP.Request.AcceptCharSet:='windows-1251,utf-8;q=0.7,*;q=0.7';
 //??? HTTP.Request.Keep-Alive: 300
  // HTTP.HTTPOptions
 HTTP.Request.Connection:='Keep-Alive';
 HTTP.Request.Referer:='http://referer.ru';
 HTTP.Request.ContentType:='application/x-www-form-urlencoded';

ls:=TStringList.Create;
  ls.Add('user_tema=&submit=Ok');

// S:=TStringList.Create;
 Memo1.Lines.Text:=HTTP.Post('http://www.bit-team.com/index.php',ls);

 Memo1.Lines.Text:=HTTP.Response.RawHeaders.Text; //commatext

 //Memo1.Lines.add(s.Text);
 ls.Free;
 HTTP.Free;
 end;

Сниффер:

POST /index.php HTTP/1.0
Connection: Keep-Alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 20
Host: www.bit-team.com
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Charset: windows-1251,utf-8;q=0.7,*;q=0.7
Accept-Encoding: gzip, deflate, identity
Accept-Language: ru,en-us;q=0.7,en;q=0.3
Referer: http://referer.ru
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; ru; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2