Adobe Flex is an open source framework for building web applications which can be deployed on all browsers, operating systems and desktops. Flex applications can be built using the free Flex 3.3 SDK. There is also Flex Builder software available which can accelerate  development.

I found these 40 very useful Adobe Flex examples on  blog.flexexamples.com: ... enjoy!

• Animating properties using the AnimateProperties class in Flex and Flash Player 10
• Repeating an animation using the AnimateProperties class in Flex and Flash Player 10
• Using an easing function with the AnimateProperties class in Flex and Flash Player 10