Fix PHP Web Page

Either a memory leak due to poor PHP coding or possibly the design of the page or code itself - is causing the page to utilize way too much CPU on my host server - which then gives CPU threshold maxed - after 30 seconds - its up again - This page usually has no more than 32 users at a given time - Please Help! Here is a link to the page in its current state: [login to view URL] other than crashing..the page functions just fine.. I can provide all files including a DB installer and instructions...