If you want to create exciting dynamic web sites that will amaze your online audience, then the Flash platform is a great way to go, with it's many features, including powerful graphical and sound and video capabilities. To really harness the power of Flash though, you need to make use of ActionScript, Flash's coding language, to provide dynamic effects, enable user interaction, and manipulate data. Adobe just made things even more powerful with ActionScript 3.0. They've taken ActionScript and expanded it into a fully-fledged programming language, with full object-oriented capabilities, improved events, sounds and video support, and drawing capabilities, support for regular expressions, and much, much more. Whether you are an aspiring ActionScript developer, or an experienced ActionScript developer who wants to upgrade your knowledge to version 3.0, this book teaches all you need to know to start to harness the power of ActionScript 3.0 using Flash CS3, Flex 2 or Flex 3. It covers all the essential techniques from the ground up, allowing you to get up and running quickly and easily. The sensible layout of the book makes it easy to refer back to techniques when you need to, and there are even reference sections at the back of the book to allow you to look up syntax quickly. With this book as your guide, you'll be creating killer ActionScript powered Flash applications before you know it!