supairish

    images = @album.image_assignments

    changed = Array.new

    # Get the images that changed order
    for image in images
      order = params["order_#{image.image_id}".to_sym]
      if !order.blank? && order =~ /^\d+$/ && image.position.to_i != order.to_i
        image.position = order.to_i
        changed << image