[__i]

mc.onPress = function(){
	this.onMouseMove = function(){
		trace(this._x+' '+ this._y);
		}
	this.startDrag();
}
mc.onRelease = function(){
	delete this.onMouseMove;
	this.stopDrag();
}
//////////
mc1.onPress = function(){
	this.x = this._xmouse;
	this.y = this._ymouse;
	this.onMouseMove = function(){
		this._x = _root._xmouse - this.x
		this._y = _root._ymouse - this.y
		trace(this._x+' '+ this._y);
		}
}
mc1.onRelease = function(){
	delete this.onMouseMove;
}

при МаусМуве не всегда целые координты, при Драге всегда!