File list (Check if you may need any files):
opensourcepos-code-98
.....................\license
.....................\.......\codeigniter_version.txt
.....................\.......\license.txt
.....................\.......\codeigniter_license.txt
.....................\system
.....................\......\helpers
.....................\......\.......\path_helper.php
.....................\......\.......\xml_helper.php
.....................\......\.......\url_helper.php
.....................\......\.......\smiley_helper.php
.....................\......\.......\captcha_helper.php
.....................\......\.......\form_helper.php
.....................\......\.......\directory_helper.php
.....................\......\.......\html_helper.php
.....................\......\.......\typography_helper.php
.....................\......\.......\string_helper.php
.....................\......\.......\download_helper.php
.....................\......\.......\security_helper.php
.....................\......\.......\cookie_helper.php
.....................\......\.......\date_helper.php
.....................\......\.......\array_helper.php
.....................\......\.......\file_helper.php
.....................\......\.......\language_helper.php
.....................\......\.......\text_helper.php
.....................\......\.......\inflector_helper.php
.....................\......\.......\index.html
.....................\......\.......\email_helper.php
.....................\......\.......\number_helper.php
.....................\......\language
.....................\......\........\en
.....................\......\........\..\number_lang.php
.....................\......\........\..\calendar_lang.php
.....................\......\........\..\ftp_lang.php
.....................\......\........\..\migration_lang.php
.....................\......\........\..\date_lang.php
.....................\......\........\..\form_validation_lang.php
.....................\......\........\..\unit_test_lang.php
.....................\......\........\..\profiler_lang.php
.....................\......\........\..\imglib_lang.php
.....................\......\........\..\index.html
.....................\......\........\..\upload_lang.php
.....................\......\........\..\db_lang.php
.....................\......\........\..\email_lang.php
.....................\......\........\english
.....................\......\........\nl-BE
.....................\......\........\.....\number_lang.php
.....................\......\........\.....\calendar_lang.php
.....................\......\........\.....\ftp_lang.php
.....................\......\........\.....\migration_lang.php
.....................\......\........\.....\validation_lang.php
.....................\......\........\.....\date_lang.php
.....................\......\........\.....\form_validation_lang.php
.....................\......\........\.....\unit_test_lang.php
.....................\......\........\.....\profiler_lang.php
.....................\......\........\.....\imglib_lang.php
.....................\......\........\.....\index.html
.....................\......\........\.....\upload_lang.php
.....................\......\........\.....\db_lang.php
.....................\......\........\.....\email_lang.php
.....................\......\........\index.html
.....................\......\database
.....................\......\........\drivers
.....................\......\........\.......\mssql
.....................\......\........\.......\.....\mssql_driver.php
.....................\......\........\.......\.....\mssql_result.php
.....................\......\........\.......\.....\mssql_forge.php
.....................\......\........\.......\.....\mssql_utility.php
.....................\......\........\.......\.....\index.html
.....................\......\........\.......\sqlite
.....................\......\........\.......\......\sqlite_driver.php
.....................\......\........\.......\......\sqlite_result.php
.....................\......\........\.......\......\sqlite_forge.php
.....................\......\........\.......\......\index.html
.........