In Vb u can fill fields
like
On Error Goto ErrHandler
With WebBrowser1.Document.Forms(0)
' Eingabefelder ausfüllen
.elements("username").Value = "Ihr Benutzername"
.elements("password").Value = "Ihr Kennwort"
' Formular abschicken
.Submit
End With
On Error Goto 0
Exit Sub