flash slider unresponsive

I have a flash movie playing some music, but the slider controlling the volume has become unresponsive. I have no idea why.开发者_JAVA百科 Can someone help me. msg me if you want the see the actionscript.

solved the problem. I was careless with layering my movieclips. If anyone get this problem, check if there is an empty movie clip on top of the clip containing the components. You can fix this by switching the addChild() commands, or use addChildAt()