There are two extensions on your page that are inserting the Facebook Javascript library on your page. This will cause unpredictable behavior for Facebook functionality such as likes/shares/login/etc.
Looking at the source on your page, the two includes of sdk.js are done by JFBConnect and it looks like rstbox. You'll have to remove the javascipt include from the rstbox popup.
Take a look at our
Common Support Questions
for "I ran the Autotune Error Check and am getting the following error" The first description for "Test: Facebook Javascript library inclusion Fail: Another Facebook extension is installed, including the Facebook Javascript library, and may conflict. " will provide more description.
-Melissa