Simulate a click in flash using JS?

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First, sorry if this is the wrong place, I thought it was more JS than Flash. I'm wondering if you can use a function like a button's "click" method to click a flash movie. I'm trying to disable right-click in flash and have resorted to putting a div over the flash to block out clicks, but then I need a way to let the left clicks through. Am I going about this the wrong way?

Thanks,
Stephen