|--db.php
|--models
    |--class.MySqlDb.php -->new
    |--class.mss.php -->new
|--functions
    |--functions.php
        |--UpdateUserPosition()
        |--addvisit()
        |--backup_tables()
        |--selectfetch() -->removed
        |--update() -->removed
        |--insert() -->removed
        |--select() -->removed
        |--getVal() -->removed
        |--enum_select()