Button._name -- doesnt work

Hi,

I am using Flash MX 2004, Falsh Player 7 and AS version is 2.0
I want to get my buttons instance name when clicked on it, how do get that.

Script written on my button:

on(release) {
trace(this._name) //my alert window displays blank :sure:
};

Any idea y i am not getting it


aShIsH