Now the background slider is not working

The quality of this theme is really at the bottom. I experience constant problems.
See video: http://www.youtube.com/watch?v=2h4ddqi-v9w

Now the background slider is not working:

Set hosts fil to:
109.199.116.69 strandvejskirken.dk
109.199.116.69 http://www.strandvejskirken.dk

http://strandvejskirken.dk/