Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

        WebBrowser1.Document.GetElementById("vb_login_username").SetAttribute("value", TextBox1.Text)
        WebBrowser1.Document.GetElementById("vb_login_password").SetAttribute("value", TextBox2.Text)
        WebBrowser1.Document.GetElementById("cookieuser").InvokeMember("click")


        Dim allelements As HtmlElementCollection = WebBrowser1.Document.All
        For Each webpageelement As HtmlElement In allelements
            If webpageelement.GetAttribute("value") = "Log in" Then
                webpageelement.InvokeMember("click")

            End If

        Next

    End Sub