apfelbox

// Function for returning the user to any 'y' position in a Facebook app/tab. Uses jQuery animate, otherwise gracefully falls-back without it.
// Source[1]: http://stackoverflow.com/questions/7193425/how-do-you-animate-fb-canvas-scrollto
// Source[2]: https://developers.facebook.com/docs/reference/javascript/FB.Canvas.scrollTo/

function scrollinFacebook (toY, duration) {
    if (FB.Canvas.getPageInfo) {
        FB.Canvas.getPageInfo (function (pageInfo) {
            $({ y: pageInfo.scrollTop })
                .animate({
                        y: toY