how can i mute FLVPlay back control while start?

Dear Friends,

iam using FLVPlay back control in my project, i need to mute it while running first time automatically. it may thr script or any other option? pls help friends, i got struct up.

mute buttton has to be ther, but initially it has to be muter, and video has to play.

Thanks and Regards,

Syed Abdul Rahim