First put an empty movie clip in place of what you wanted to show up
on button to make show up:
on (rollOver) {
placedemptymovie.attachMovie(“showsup”,”showsup”,1);
}
on button surrounding the show up:
on (rollOver) {
_root.placedemptymovie.attachMovie(“emptymc”,”emptymc”,1);
}
REMEMBER: name your empty movieclip properly and export ‘showup’ for actionscript