Powers the XFBML parser.
By default, when you run FB.init, XFBML parsing will be done automatically. However, there may be times when you want to control XFBML more precisely. To do that, use the methods available in this class.
A Waitable object to indicate whether all XFBML elements are ready.
Start parse the DOM tree to search for XFBML tags and render them under a given DOM element.
Start parse the DOM tree to search for XFBML tags and render them.
Re-render all existing XFBML elements.