Links to Facebook, Twitter, and Google Don't Work for Commenting

hi there,

I installed comments plus plug-in on my website but users aren't able to click on the Facebook, Twitter, or Google links so that they can be prompted to log in with their accounts.

Would anyone know what the issue is here? Here is an example link of what's happening: http://dev.notashamedofthegospel.com/online-evangelism/is-this-blog-for-you/

Many thanks,

Peter