Your input form works for me under FF17, but I can replicate the problem under IE9. I checked one of my CF7s under IE9 and it works fine as well.
I would suggest that you look at your theme. Try your form on the WP default form and see what happens.
Your input form works for me under FF17, but I can replicate the problem under IE9. I checked one of my CF7s under IE9 and it works fine as well.
I would suggest that you look at your theme. Try your form on the WP default form and see what happens.