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Information about the cookies we store on your computer

A cookie is a small file stored on your computer or mobile device by a web browser.

A cookie can be used to make a site easier to use for you, for example by storing your preferences so that they're remembered next time you visit. It can also be used for technical purposes such as helping us make sure of your identity, or as the identifier for a server-based session. 

If you've allowed us to, we will save the following cookies on your computer:

Summary of main cookies
Cookie nameWhat we use it for
ASP.NET_SessionIdUsed to maintain session information for the Microsoft .NET framework that runs our website
ClientvarsUsed to maintain session information for the platforms other than Microsoft .NET that run our website
screenwidthUsed to store the width of your screen so we can make what you see look better
alert_[xxxxx]Used to store whether you've closed an alert we've put on our website. There'll be one for every recent alert you've closed with a different number at the end.
Google AnalyticsOur site uses Google Analytics, a web analytics service provided by Google, Inc ("Google"). Google Analytics uses cookies to help us analyse how users use our site, to improve the service we offer you.

Please note: third party software we use also makes use of cookies. This includes the system used by our library service.

Changing your settings

Most browsers will allow you to manage, or disable, cookies. Check the support website of your particular browser for more information.

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