def has_children?(check = nil)
      post = obtain_record(check)
      post.blank? ? false : post.has_children?
    end
def has_children?(check = nil)
      post = obtain_record(check)
      post.blank? ? false : post.has_children?
    end
returns a boolean as to wether the post has children
 Params:
 +check+:: ID, post_slug, or post_title - if this is nil it will use the @content variable