//var xPos;
for(var i:int = 1 ; i<=100 ; i++)　{
	var btn:MovieClip = this["button"+i];
	btn.addEventListener(MouseEvent.CLICK , Func);
	btn.buttonMode = true;
	//btn.name = "btn"+i;
}
function Func(evt:MouseEvent):void {
	//xPos = evt.target.name;
	//trace(xPos.x);
	var btn:MovieClip = MovieClip(evt.target);
	trace(btn.x);
}