Google Chrome, Flash and z-index wrong behvaiour

Question

I have to show a div over the iframe which contains a flash video . The z-index of the div is set as 9999. but the ifarame is not having any z-index. But the div lies bellow the

Answer 1

I can add wmode, if and only if the flash content is on my web page, notice the IFRAME content is from third party(YouTube, in this case). How can I handle such scenario?