(Version November 2018) We use cookies on our websites to better users’ experience while browsing our information.  We use a cookie control system allowing you to allow or disallow the use of cookies on their computer/device on their first visit to the website.  This complies with recent legislation requirements for websites to obtain explicit consent from users before leaving behind or reading files such as cookies on a user’s computer/device.


These cookies are set by our software that is running the website. They are necessary for the correct functioning of the site.

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We use the Google Analytics service to do this. The cookies in use are described below.

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Google Analytics

These cookies are used to store information, such as what time your current visit occurred, whether you have been to the site before, and what site referred you to the web page.

These cookies contain no personally identifiable information but they will use your computer’s IP address to establish from where in the world you are accessing the Internet.

Google stores the information collected by these cookies on servers in the United States.  Google may transfer this information to third-parties where required to do so by law, or where such third-parties process the information on Google’s behalf.


To provide website visitors with more choice on how data is collected by Google Analytics, Google has developed the Google Analytics Opt-out Browser Add-on. The add-on communicates with the Google Analytics JavaScript (ga.js) to stop data being sent to Google Analytics. The Google Analytics Opt-out Browser Add-on does not affect usage of the website in any other way.  

A link to further information on the Google Analytics Opt-out Browser Add-on is provided below for your convenience.

For more information on the usage of cookies by Google Analytics please see the Google website.

A link to the privacy advice for this product is provided below for your convenience.


If you would like to restrict the use of cookies you can control this via your Internet browser settings.  Links to advice on how to do this for the most popular Internet browsers are provided below for convenience and will be available for the Internet browser of your choice either online, or via the software help (normally available via key F1).
Microsoft Internet Explorer
Microsoft Edge
Google Chrome
Mozilla Firefox
Apple Safari

To find information relating to other browsers, visit the browser developer's website.