HTML5 Video won't play in Safari, when frameset used

I'm the Product Manager for a company who has a product that revolves around video. We've noticed that while we can get the HTML5 video capability in Safari on the iPad working fine in a test harness, as soon as we place that harness in the simplest of framesets (with the video area clearly visible), the video's "play" command no longer works. Oddly enough, the video object's properties can be read/written, but it appears that the "play" function itself does not work (and presumably the pause and load functions). The frustrating thing is that the video does appear to be loading - if you change currentTime to a different position, you can see the video frame at that position. The media just won't play.

...also, when I use the video's tags "controls" (shows player controls within the embed), Play/Pause DOES work. So, it appears to be a bug with the scripting layer.

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