load_cookies (WebAgent::CookieManager)

    # File lib/httpclient/cookie.rb, line 404
        def load_cookies()
          return if !File.readable?(@cookies_file)
          @cookies.synchronize do
            @cookies.clear
            File.open(@cookies_file,'r'){|f|
              while line = f.gets
                cookie = WebAgent::Cookie.new()
                @cookies << cookie
                col = line.chomp.split(/\t/)
                cookie.url = URI.parse(col[0])
                cookie.name = col[1]
                cookie.value = col[2]
                if col[3].empty? or col[3] == '0'
                  cookie.expires = nil
                else
                  cookie.expires = Time.at(col[3].to_i).gmtime
                end
                cookie.domain = col[4]
                cookie.path = col[5]
                cookie.set_flag(col[6])
              end
            }
          end
        end