Get instance name and position

programming flash
1

I have 3 buttons and when i click the button i need to know is position and is instance name… I try this to get the name. But the trace was allways “root1”.

bt1.addEventListener(MouseEvent.MOUSE_OUT, nameObject);
bt2.addEventListener(MouseEvent.MOUSE_OUT, nameObject);
bt3.addEventListener(MouseEvent.MOUSE_OUT, nameObject);

function nameObject(Event:MouseEvent) {
	
	trace(""+ this.name);
	}

Cam someone help me?

thanks