$(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/sv_SE/all.js';
	    document.getElementById('fb-root').appendChild(e);
    } ());
});