_utma tracks the number of times a visitor has been to the site, when their first visit was, and when their last visit occurred.
_utmb and _utmc track how long a particular visit takes.
_utmz tracks which site or search engine the visitor came from, the link clicked or keyword used, and the visitor's geographic location.
These four cookies are placed by Google Analytics and help us understand how visitors interact with our website. Google Analytics does not collect personally identifiable information, and we do not share our collected data with Google.
PHPSESSID ensures your login persists until you close your browser, if you have logged into an area of our site. This Wikipedia article provides more information.
Cookies are small files that our web site/s may place on your computer's hard drive via your web browser, enabling us to store certain information during your visit.
If you wish to control the cookies our web site/s have placed on your computer, you can do this via your browser settings.
Please refer to your browser's Help function, or visit www.aboutcookies.org for further details on how to control and delete cookies.
To control and delete cookies on your mobile phone or tablet device, please refer to your device manual.