Your site looks a little modified there
what I can tell you is I know our code does not add any extra http
Now here is our code linked with a vb IslandAquatics.com - Reeftalk Reviews
I did a test appears fine. Since your site seems pretty modified there I would suspect its probally due to changes you have made or maybe some plugins your running.
Try running default reviewpost code that has not been altered and turn off any vb