Flash Action Script 2, Easy Question.

[a_modified_dog]

// on stage -
// 2 buttons - instance names - btn1, btn2
// dynamic textfield - instance name - dyn_txt
// main timeline code -

btn1.onRollOver = function(){
dyn_txt.text = "Hello";
};

btn1.onRollOut = function(){
dyn_txt.text = "";
};

btn2.onRollOver = function(){
dyn_txt.text = "Goodbye";
};

btn2.onRollOut = function(){
dyn_txt.text = "";
}; 

hth