Debugging and simple modifying core php (repost)

i have a website on pure php which have some connection problems with the mysql, as its not fetching all data and not printing all data to the mysql..

there is not one bug but have some, i need someone to fix it as it shows and it might be an ongoing job.

the job also includes some simple php modifications

the job now includes the following:

1. making pictures show 5 pictures instead of 10 pictures with an arrow to slide to the next picture.(on hotel page)

[url removed, login to view] one mysql table from cities to be hotels (show hotels instead of show cities on main page left column)

[url removed, login to view] discount codes system (promotional prices using codes)

4. if booking is more than 40 nights, passenger pays an amount of XXX on booking (make the price in full, and make sure there is a msg says the customer will pay only XXX baht as deposit until check in to pay the rest)

website url is: [url removed, login to view]

CSS MySQL PHP

Nº del proyecto: #6063906

Sobre el proyecto