All of these sliding box animations work on the same basic idea. There is a div tag .boxgrid in this css that essentially acts as a window where two other items of your choosing peek through.
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Design Elements, Gallery, Mootools
Animated Image Panel like WII Photo browser
This snippet mimics the Nintendo Wii Photo Browser. You can use the Mousewheel or the left or right key to zoom in and out
Calendar, Design Elements, Mootools
A javascript calendar based on MooTools
The idea is to use MooGenda to quickly expose your events from a json request. You can customize your event in week view and in day view.
Calendar, Design Elements, Mootools
MooTools Events Calendar
The MooTools Events Calendar is a JavaScript calendar class that was built using the MooTools 1.2.1 framework. It is currently under development, but may provide enough functionality for your needs.