About playBackgroundMusic

playBackgroundMusic() is right in desktop browser(safari,chrome).
playBackgroundMusic() is fail in iphone/ipad browser(safari,chrome).

cc.AudioEngine.getInstance().playBackgroundMusic(s_BackgroundMusic, true);

why?

test web page : http://www.cream4game.com/

iOS4,5 have poor support for audio
iOS6 should work

thanks.