How can I select a state Button?

[COLOR=#000000][FONT=verdana]Hi guys, one more time i need your help. [/FONT][/COLOR]

[COLOR=#000000][FONT=verdana]I´m working in a project which have many buttons, with textfield inside of them. I need to change the text of those textfields. How can I do it using as2?[/FONT][/COLOR]

[COLOR=#000000][FONT=verdana]Regards[/FONT][/COLOR]