A cookie is a collection of information that some websites leave on your computer to identify you if you use or return to the site.
The information below explains the cookies we use and why.
Google Analytics: _utma, _utmb, _utmc, _utmz cookies are used to collect information about how visitors use our site. We use the information to compile reports and to help us improve the site. The cookies collect information in an anonymous form, including the number of visitors to the site, where visitors have come to the site from and the pages they visited. A Comprehensive Overview of Google Analytic Cookies