def hyperlink=(v, options={})
      options[:href] = v
      if hyperlink.is_a?(Hyperlink)
        options.each do |o|
          hyperlink.send("#{o[0]}=", o[1]) if hyperlink.respond_to? "#{o[0]}="
        end
      else
        @hyperlink = Hyperlink.new(self, options)
      end
      hyperlink
    end
def hyperlink=(v, options={})
      options[:href] = v
      if hyperlink.is_a?(Hyperlink)
        options.each do |o|
          hyperlink.send("#{o[0]}=", o[1]) if hyperlink.respond_to? "#{o[0]}="
        end
      else
        @hyperlink = Hyperlink.new(self, options)
      end
      hyperlink
    end
sets or updates a hyperlink for this image.
 @param [String] v The href value for the hyper link
 @option options @see Hyperlink#initialize All options available to the Hyperlink class apply - however href will be overridden with the v parameter value.