This website uses cookies to store information within your web browser. Where possible we avoid storing any sensitive or tracking information in these cookies.
In accordance with the EU Cookie Directive, we now provide information about how we use these cookies. Where possible, we also provide the means to control whether these cookies are stored. Ironically the mechanism used to control cookie usage has to use a cookie to remember your preference.
Browser Settings
Any cookies generated by this website may be safely blocked or deleted using your web browser settings, but this may impact the performance, functionality and services provided by this website.
Categories Of Cookies
We have sorted the cookies used on this website into four categories.
(1) Strictly necessary
These cookies are essential in order to enable you to move around the website and use its features, such as accessing secure areas of the website. Without these cookies the services you have asked for like shopping baskets or electronic billing, cannot be provided.
Our website does not work without these cookies. If you do not accept the use of these cookies please leave the website.
Here are some examples of the Strictly Necessary cookies we use.
__utma
Expiration: 2 years from set/update
Used to distinguish users and sessions. The cookie is created when the javascript library executes and no existing __utma cookies exists. The cookie is updated every time data is sent to Google Analytics.
__utmt
Expiration: 10 minutes
Used to throttle request rate.
__utmb
Expiration: 30 minutes from set/update
Used to determine new sessions/visits. The cookie is created when the javascript library executes and no existing __utmb cookies exists.
The cookie is updated every time data is sent to Google Analytics.
__utmc
Expiration: End of browser session
Not used in ga.js. Set for interoperability with urchin.js. Historically, this cookie operated in conjunction with the __utmb cookie to determine whether the user was in a new session/visit.
__utmz
Expiration: 6 months from set/update
Stores the traffic source or campaign that explains how the user reached your site. The cookie is created when the javascript library executes and is updated every time data is sent to Google Analytics.
__utmv
Expiration: 2 years from set/update
Used to store visitor-level custom variable data. This cookie is created when a developer uses the _setCustomVar method with a visitor level custom variable. This cookie was also used for the deprecated _setVar method. The cookie is updated every time data is sent to Google Analytics.
_ga
Expiration: 2 years
Used to distinguish users.
_gat
Expiration: 10 minutes
Used to throttle request rate.