@JonaJan 17.2005 — #[font=trebuchet ms]It's a window-object, so that's probably why it's not finding its ID. Did you see my edit and try it also?[/font]
thx [/B][/QUOTE]It had to. The problems you were running into just derived from the fact that your iframes are "nested". I'm happy, that this simple line of code helped.