Movie sound and background sound problem

I’m facing one problem. In my flash file have one background music and have one external movie ( flv ). I want when I click movie button then movie will load and background sound will stop and when I click close in movie then background sound will play again. *** remember movie file is external SWF file and I’ll put one button in that movie swf file call close.

And another one… when movie running then if I click any other button then content come but movie sound play… this is not right … caz when we click other button should be movie sound stop and background sound will playing

help me pls…

Every thing you need to know about sound is here =)
http://www.kennybellew.com/tutorial/main.htm

thank mate… really nice link… but those alll are mainly sound… but see i have one background sound and another one flv movie. my main problem is … movie sound playing when we move to other menu…