unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, OleCtrls, SHDocVw, Gauges;

type
  TForm1 = class(TForm)
    Button1: TButton;
    Edit1: TEdit;
    WebBrowser1: TWebBrowser;
    Edit2: TEdit;
    Button2: TButton;
    Memo1: TMemo;
    procedure FormCreate(Sender: TObject);
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
  WebBrowser1.Navigate('http://replace.org.ua/users/'); 
end;

procedure TForm1.Button1Click(Sender: TObject);
var A:Variant;
    C:Variant;
begin 
  A := WebBrowser1.OleObject.Document.getElementById('username');
  A.Value := Edit1.Text;

  C := WebBrowser1.OleObject.Document.getElementById('search');
  C.Click;
end;

procedure TForm1.Button2Click(Sender: TObject);
var B:Variant;
begin
   B := WebBrowser1.OleObject.Document.getElementById('tc1');
   //Edit2.Text := AnsiString ( pointer ( B.Value ));
   Memo1.Lines.Add(string(B.Value));
end;

end.