Sorry about that guy, I've noticed he's a bit of a moron. I've been working toward a game like this myself, but I haven't found all of the answers in one place. My suggestion is to take the game apart and search for individual parts cause I haven't found a "how to make a beat-em-up" tutorial yet.
What I mean is look for a tutorial on scrolling and learn how to do that. Look for a tutorial on controlling a character with the keys and learn that, and so on and so forth. I would post stuff like that here but I'm not an expert on it myself yet. You could start at flashkit.com though and look through their gaming tutorials and such. Likewise, if you use a search engine I'm sure you'll find plenty of other flash help sites. Hope I've helped some.