fehler bei submit

[shmia]

Delphi-Quellcode:

procedure SubmitWebForm(webform:OleVariant);
var
   i : Integer;
   formitem : OleVariant;
   itemtype, itemname : string;
begin
   // Schleife über alle Items eines WebFormulars
   For i:= webform.Length-1 downto 0 do
   begin
      formitem := webform.Item(i);
      itemtype := UpperCase(formitem.Type);
      itemname := UpperCase(formitem.Name);

      // if it's a submit button: click it
      if itemtype = 'SUBMIT' then
      begin
         formitem.Click;
         Exit;
      end
      else if (itemtype='BUTTON') and (itemname='SUBMIT') then
      begin
         formitem.Click;
         Exit;
      end
   end;

   // try default submit Method
   webform.submit;
end;

Aufruf:
SubmitWebForm(webbrowser1.oleobject.document.forms.item(0));