Using the famous libraries JQuery, MooTools and Script.aculo.us you can easily scroll overflowed elements and the screen itself. Here’s how you can use this cool effect in each library:
JQuery.ScrollTo is an excellent, easy to implement and fully customizable plugin useful to scroll elements or the window itself. There are many ways to specify the target position and many options to customize the animation and the final position. There are 2 additional plugins that can be used with this ScrollTo: jQuery.LocalScroll & jQuery.SerialScroll.