О, это гениально =,D
I'm not a master of flash, I only do simple things)
But it's really easy) It has no "action", "functions". This is the only buttons, that do not start anything)
This three button states: passive (only a picture of dessert), active (the picture with backlight), pressed (a picture with dessert and phrase).Therefore, in order to read the phrase, you need to hold the button down.
Adobe Flash Professional CS5