Step 23
Go back on the main scene (Scene 1).

Step 24
Create a new layer and name it Invisible Button 1. Select it and create the Invisible Button, over the first button in menu. See the picture below.

Step 25
Take the Selection Tool (V), and click once on the Invisible Button to select it. Aftetr that, open the Action Script Panel (F9), and paste this script:
on (rollOver) {
_root.mouse_over_home_mc = true;
}
on (rollOut) {
_root.mouse_over_home_mc = fstartlse;
}
on (release){
getURL("http://www.flashvault.net/", "blank");
}
Step 26
Insert a new layer and name it AS (Action Script).

Step 27
Click on the first frame of layer AS, and in A.S. Panel paste this scritp:
_root.home_mc.onEnterFrame = function() {
if (mouse_over_home_mc) {
_root.home_mc.nextFrame();
} else {
_root.home_mc.prevFrame();
}
};
We're done!
Repeat this steps for every other button in menu.
Cheers!
Download source file (.fla)