From the web site….

RIAnimation = Rich Interactive Animation

Give your ASP.NET projects new life with RIAnimation. We have taken powerful JavaScript libraries (Prototype, JQuery and Interface) and developed a simple ASP.NET control for applying RIAnimations (Rich Interactive Animations) to any ASP.NET control. With RIAnimation, adding sophisticated interaction to your existing web apps is as easy as dropping our control on the form and setting three properties!

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