(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_US/all.js#xfbml=1&appId=246450368730774";
                  fjs.parentNode.insertBefore(js, fjs);
                }(document, 'script', 'facebook-jssdk'));