[PHP] PEAR DB problem

Hi, I'm a bit new to mySQL. I got my program working fine locally, but it doesn't work when I upload it to my ISP. db.php and pear.php couldn't be found on my server when I first ran it. I uploaded them, but could that be part of my problem? The following code is returning DB Error: not found:

[PHP] browser caching

Hi, I'm having difficulty getting a php page to reload when the user goes back to it. The page is initially loaded with no variables passed, but is then reloaded with variables passed with GET and also retrieves variables from a session cookie, which is set by a different page on first load.