Actionflash

There is nothing like ActionFlash. The only two things exists:

Macromedia Flash

Program for creating flash animations.

More info on Macromedia

Macromedia Flash MX 2004 - product info

Actionscript

Actionscript (sometimes as two words Action script) is programing language for operations inside the flash. Actionscript is simmilar to Javascript or EcmaScript. It is possible to move objecst, timeout scenes, read XML files and many more.

Actionscript.org Macromedia Flash Resources and Tutorials