Cookies are small text files that are placed on your computer by websites that you visit. They are widely used in order to make websites work, or work more efficiently, as well as to provide information to the owners of the site. We have included details below of the cookies we use and why.
Most web browsers allow some control of most cookies through the browser settings. To find out more about cookies, including how to see what cookies have been set and how to manage and delete them, visit Switching off cookies may have an impact on the functionality of the site. To opt out of being tracked by Google Analytics by all websites, visit

Google Analytics (used for tracking site usage)
_utma    Stores number of visits, time of first visit, the previous visit and the current visit    2 years
_utmb    Checks start and end time of current visit    30 minutes
_utmc    Checks start and end time of current visit    End of session
_utmz    Tracks where a visitor arrived from (search engine, search keyword, or link)    6 months

Other Third Party Cookies
We allow AddThis to collect certain anonymous information when you visit our website. They may use non-personally identifiable information during your visits to this and other websites in order to provide advertisements about goods and services likely to be of greater interest to you. These companies typically use a cookie or a third party web beacon to collect this information. To learn more about this behavioral advertising practice, you can visit