youtube player api z-index problem

i am using player api for showing you tube videos i have a similar problem asked before also by someone that the player is coming over the popup screen no matter how much i set the z-index of the popup it is not coming up how to solve this i hav开发者_如何学JAVAe tried the same method that was answered previously but that is not working for me in my case i am having problem with IE

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You may consider setting 'wmode' to 'transparent' when embedding the SWF player.

var params = { allowScriptAccess: "always", 'wmode' : 'opaque'}

Tested in Firefox, Chrome 7. and Safari !