Convert instance name to string

hi,

i have several button that should navigate to frames in my movie.
the button have the same name as the frame’s labels

i need to convert the buttons’ instance names to strings

stop();
import flash.events.MouseEvent;

this.Label1.addEventListener(MouseEvent.MOUSE_DOWN,gotoLabel);

function gotoLabel(event:MouseEvent):void{

gotoAndStop(‘label1AsString’);
}