$(document).ready(function(){

	window.fbAsyncInit = function() {
		FB.init( {
			appId : 'your app id',
			status : true,
			cookie : true,
			xfbml : true
		});
	};
	(function() {
		var e = document.createElement('script');
		e.async = true;
		e.src = document.location.protocol + '//connect.facebook.net/de_DE/all.js';
		document.getElementById('fb-root').appendChild(e);
	}());

});