$(document).ready(function() {
  if ($(".facebookBox").length != 0) {
    var fbbox = '<fb:like-box href="http://www.facebook.com/pages/Pokershop/181947241831180" width="174" height="267" connections="8" stream="false" header="false"></fb:like-box>';
    $(".facebookBox").append(fbbox);
  }
});