Click Button in WebBrowser Control Using specific location..

[TheGuy831]

Hi im trying to click on a button within a webbrowser control.. to close a ad in a iframe
wich i have no access to my code works on first page but not on second page
heres my Code

            Dim theElementCollection12 As Windows.Forms.HtmlElementCollection
            theElementCollection12 = WebBrowser1.Document.GetElementsByTagName("a")
            For Each curElement As HtmlElement In theElementCollection12
                curElement.InvokeMember("OnClick")
            Next

Im trying to simulate click on the X to close adbanner..
Please Help.. Thank You..