Sometimes when I need to get some code into Articulate early in a presentations life cycle I hijack the null.swf file. Articulate seems to use this file as a place holder for swfs it may or may not load later. The null.swf itself really doesnt have any AS code in it so it's a good place to play.
Keep in mind it gets loaded more then once so you may need to build some checks into your code to make sure you dont repeat yourself.
Here is an example of 'security' using this file. Let's say I wanted to make sure my courses where only run off my own site I could use this: