belongs_to :categories
  
  @@images_path = "/home21b/sub001/sc18296-XBRN/images/"  

  def move(category_id)
    
    from = @@images_path + self.categories.path + self.filename
  
    @categories = Category.find(category_id)
    to = @@images_path + @categories.path
    
    #right now we just want to see it working
    return from + " => " + to 
  end