Александр Толерант

var page_like_or_unlike_callback = function(url, html_element) {
  console.log("page_like_or_unlike_callback");
  console.log(url);
  console.log(html_element);
}

// In your onload handler
FB.Event.subscribe('edge.create', page_like_or_unlike_callback);
FB.Event.subscribe('edge.remove', page_like_or_unlike_callback);

FB.Event.subscribe('edge.create', function(url, html_element) {
   var FBbox = document.querySelectorAll(".fb-page");
   FBbox.style.display = 'none';
});