plugin does not work, do not log in facebook and no sends comments

button for facebook login does not work when I click nothing happens. already did the tests using the configurations that my page already uses the script facebook and unchecking this option, however both not working
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and other social networking also does not work, do not put the login sends the comment. wait a position

fos test usethis link http://gamermag.com.br/index.php/2012/09/novidades-sobre-metal-gear-solid-ground-zeroes/