/// <summary>
 /// Sets an item to 'deselected' in the database.
 /// </summary>
 public static void SetToDeselected(IAPItem item)
 {
     //pass argument to DBManager and invoke deselect event
     DBManager.SetToDeselected(item.productId);
     if (itemDeselectedEvent != null)
     {
         itemDeselectedEvent(item.productId);
     }
 }