Appearance of FLV video in website created by Webeasy Pro v9

I have inserted a FLV video in to a website created with Webeasy Pro v9. When the video plays in Firefox, there are black areas above and below the video (see attached snapshot).

If you look at the FLV video, there are no black areas above or below.

How do I get rid of the black areas above and below the video using Webeasy Pro v9?
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The FLV you attached does have the black bars.

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