Actionscript 2.0 to 3.0

programming flash
1

Please, can somebody give me the right code in 3.0 for these 2 codes?

Thank you.

stop ();
var location_so:SharedObject;
if (selectedItem == null) {
Selection.setFocus(groups_btn);
}
else {
Selection.setFocus (selectedItem);
}
groups_btn.onPress = function () {
selectedItem = this;
gotoAndStop (“Groups”);
};
draws_btn.onPress = function () {
selectedItem = this;
gotoAndStop (“submenu”);
};
final_btn.onPress = function () {
selectedItem = this;
gotoAndStop (“imagens”);
}

Key.removeListener (myListener);
var myListener:Object = new Object ();
myListener.onKeyDown = function () {
var keyCode = Key.getCode ();
if (keyCode == ExtendedKey.SOFT1) {
}
else if (keyCode == ExtendedKey.SOFT2) {
fscommand2 (“Quit”);
}
};
Key.addListener(myListener);