Mireille has already pointed out a wonderful resource. There is also another twist on the whole autoplaying music thing from Kyn Drake. He has created a sort of a turnkey type of solution for dropping in your QT file (video or audio or both!) and making it autoplaying and looping without any editing of HTML at all!
i finally got it working, i went into my idisk and use text edit to change some html setting to make it work. now my music is playing automatically on my site.
thanks for help.