code: def get_summary_page_link(ifo, utc_time):
      
      search_form = search_form_string
      data = {'H1': data_h1_string, 'L1': data_l1_string}
      if ifo not in data:
          return ifo
      else:
          # alog format is day-month-year
          alog_utc = '%02d-%02d-%4d' % (utc_time[2], utc_time[1], utc_time[0])
          # summary page is exactly the reverse
          ext = '%4d%02d%02d' % (utc_time[0], utc_time[1], utc_time[2])
          return_string = search_form % (ifo.lower(), ifo.lower(), alog_utc, alog_utc)
          return return_string + data[ifo] % ext
docs: Return a string that links to the summary page and aLOG for this ifo
  
      Parameters
      ----------
      ifo : string
          The detector name
      utc_time : sequence
          First three elements must be strings giving year, month, day resp.
  
      Returns
      -------
      return_string : string
          String containing HTML for links to summary page and aLOG search