procedure TForm1.PastebtnClick(Sender: TObject);
var iDoc: IHtmlDocument2;
  i: integer;
  ov: OleVariant;
  iDisp: IDispatch;
  iColl: IHTMLElementCollection;
  iInputElement: IHTMLInputElement;
  begin
WebBrowser2.ControlInterface.Document.QueryInterface(IHtmlDocument2, iDoc);
  if not assigned(iDoc) then begin
    ShowMessage(' !!!???');
    Exit;
  end;
  ov := 'INPUT';
  IDisp := iDoc.all.tags(ov);
  if assigned(IDisp) then begin
    IDisp.QueryInterface(IHTMLElementCollection, iColl);
    if assigned(iColl) then begin
      for i := 1 to iColl.Get_length do begin
        iDisp := iColl.item(pred(i), 0);
        iDisp.QueryInterface(IHTMLInputElement, iInputElement);
        if assigned(iInputElement) then begin
          if iInputElement.Get_name = 'WARTUNGSGRUPPE'
           {Wartungsgruppe einfügen}
          then iInputElement.Set_value('Hans Damp');
          if iInputElement.Get_name = 'NAME'
           {Name einfügen}
          then iInputElement.Set_value('Huhu');
           {Button.click}
          if iInputElement.Get_name = 'insert' {und hier sollte der Button Insert angesprochen werden}
            then iInputElement.Get_form.submit;


        end;
      end;
    end;
  end;
end;