Update 12/2011: YouTube is now embedding with iframes so you’ll need to add ?wmode=opaque to the end of the video url in the iframe.
Original Post Starts Here……
In your parameter tags you need to add the following tag
and inside the actual embed tag you need to add the following parameter
So your final source may look like this (code is from the OpenCa.mp video we released).
That should keep your menus from dropping behind your video. Don’t forget to add this to each video that is near your nav!