MediaWiki:MainPageJS

(function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0];  if (d.getElementById(id)) return;  js = d.createElement(s); js.id = id;  js.src = "//connect.facebook.net/en_GB/sdk.js#xfbml=1&version=v2.3";  fjs.parentNode.insertBefore(js, fjs); }(document, 'script', 'facebook-jssdk'));