Buttons don't work under mask

ok,

so, i’ve built a simple scrolling text box. the box works perfectly on its own and in scene 1 but when i put it into the masked movie file that contains all of the page info the buttons don’t scoll the text like they should.

http://www.andrewharry.ca/test/robot2.swf

click the “news” button to get to the bit i’m talking about.

any ideas?