Posts Are Not Lining Up Properly

The posts in http://celebrating-mjj.forumotion.com are not lining up properly.
The first post is last in a thread, the last post is first. And, when I click on the ^TOP button, it doesn't work.
How can I fix this?

-Thanks!

Go to Administration Panel => General => Forum => Categories and forums => Edit all the forums => Sort the posts of a topic by : Post's date (most oldest in first)