They are used to ensure websites function properly, store user preferences when needed and collect anonymous statistics on website visitors.
The table below outlines the use of cookies on this site.
| Cookie | Name | Purpose | Expires |
| Google Analytics | _utma _utmb _utmc _utmz | These cookies are used to collect anonymous website statistics such as the number of visitors in a month, average duration of visits and popular pages viewed. This data is used to review and improve the site. | 30 minutes to 2 years |
| Session cookie | PHPSESSID | This cookie contains a randomly generated number and allows the browser to remember your selections. It expires when you close the browser and contains no personally identifiable information. | When you exit your browser |
To find out more about cookies and how to set preferences, please visit www.allaboutcookies.org
To opt out of being tracked by Google Analytics across all websites you can install the following browser add-on – http://tools.google.com/dlpage/gaoptout
