Colorbox showing up beneath iFrame containing flash video

I have a page that contains the colorbox plugin and it also has an iframe that contains a youtube embedded video.

In FF my colorbox appears above the flash video only in chrome my iframes appear above the colorbox if this makes sense?

I've tried adding wmode=transparency to my flash videos and giving my 开发者_高级运维colorbox a much higher z-index which both havent helped, is it possible to lay objects over an iframe?

The correct value is wmode=transparent. Be sure you are adding both as param name :

<param name="wmode" value="transparent"></param>

and in the embed:

 wmode="transparent"