Buttons inside movie clips....HELP!

I have two movie clips with buttons inside them. I’m trying to get the two buttons to jump to a frame on the main timeline.

I used the following code on the first button:

this.onEnterFrame = function() {
choose_statement.Through_Btn.onRelease = function() {
_root.gotoAndStop("page03a");
};
};

It works fine.

I tried using the same code on the second movie clip and button and it doesn’t work.

this.onEnterFrame = function() {
Plan_Name.inland_btn.onRelease = function() {
_root.gotoAndStop("page03b");
};
};

The second button and movie clip show up 20 frames AFTER the first button and movie clip.
I double checked all spellings and instance names and nothing!

Any help would be greatly appreciated. FYI the flash file is built in AS2.

Thanks,

Ezi