$(document).ready(function(){

	// FB button
	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/cs_CZ/all.js';
	    document.getElementById('fb-root').appendChild(e);
	 }());  
    
});