Need to create HTML links that on roll-over play .swf on same page

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Please help… Still a bit of a newbie.

I have an html page with html links. Also on the page is a .swf that will play when the page is loaded. However, I want to create a roll-over effect with the text HTML lnks that play another .swf. How do I do this (specifically)?
Also, instead of having separate .swf files, I would like set-up the roll-over to go to specific frames in one swf and play?