private void Update()
{
//this.transform.position = Input.mousePosition;
Vector2 pos;
Canvas myCanvas = JCS_Canvas.instance.GetCanvas();
RectTransformUtility.ScreenPointToLocalPointInRectangle(myCanvas.transform as RectTransform, Input.mousePosition, myCanvas.worldCamera, out pos);
transform.position = JCS_Input.CanvasMousePosition();
}