[countryboy713]

    $time = time();
    $maxloggedin = $maxusers[0] . " " . $maxusers[1] . " $numbertodayonline " . $time;
    $DB_site->query("UPDATE template SET template='$maxloggedin' WHERE title='maxloggedin'");
    $maxusers[2] = $numbertodayonline;
    $maxusers[3] = $time;
  }  

  $todayrecordusers = $maxusers[2];
  $todayrecorddate = vbdate($dateformat,$maxusers[3]);
  
  eval("\$todayloggedinusers = \"".gettemplate('forumhome_todayloggedinusers')."\";");

that is 115-125 but the changes have nothing to do with any of those lines. the hack just adds a few lines near the beginning of the file.