# File lib/cgikit/ajax/serializer.rb, line 5
    def serialize( object )
      data = "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n"
      data << "<param method=\"POST\">\n"
      unless object.nil? then
        if Array === object then
          data << serialize_array(object)
        elsif Hash === object then
          data << serialize_hash(object)
        else
          raise "an object is not array or hash."
        end
      end
      data << "</param>\n"
      data
    end