Please help me with the last dropdown (select box) appear correctly, actual it show page in page

[eluser]Unknown[/eluser]
I put 2 printscreen to better understand the problem.

- the first printscreen - http://postimage.org/image/7npnwozbb/
- the last printscreen - http://postimage.org/image/6qs0jbt0r/

The first printscreen it show the form with are two dropdown (select box) and the first dropdown is not selected.
The second printscreen it show the problem that i spoke, it show page in page.

Where is the problem that show page in page?