Try var sp = new Spinner(document.body); // or another element (btw, document.body uses by default, as I know)
read http://mootools.net/docs/more/Interface/Spinner
Try var sp = new Spinner(document.body); // or another element (btw, document.body uses by default, as I know)
read http://mootools.net/docs/more/Interface/Spinner