This project-based guide from Adobe will teach readers all they need to know to create engaging interactive content with ActionScript 3.0 for Flash CS4 Professional. Using step-by-step instructions with projects that build on the knowledge learned in each lesson, readers will learn the fundamentals of adding interactivity to Flash files using ActionScript via the Actions panel, as well as in external ActionScript files. The tutorials start with simple navigation and timeline control and progress through controlling animation with ActionScript; using Event Listeners and writing event-handling functions; and controlling loading of and interaction with data, text, video, sound, and images. Readers will also learn how to create external ActionScript files that can be reused with multiple Flash files. The companion CD provides users with all the sample files they need to complete all the projects.