Font-color in case of error messages

Hi all

I use the FLV player for rtmp-streaming and it works fine.

My problem is: my stream-provider allows me to send my videos to 60 users. When more than 60 users watch my videos the player displays the message "RTMP stream not found: <url>".

My question: which flashvar should I use to get a _black_ font-color on this message? I don't like it, when everybody can see the url of my videos...

I already tried these vars: frontcolor, backcolor, lightcolor, screencolor (they didn't work...)

Thanks a lot for your help!

Best regards