The calendar should appear here. If you can read this text, one or more of the following may be true:

  1. you do not have JavaScript enabled in your browser (the program you are using to view this page, for example Internet Explorer or Safari)
  2. you do not have Flash set up properly for your browser
  3. the device (e.g. mobile phone) on which you are viewing this page may not support Flash.

You can visit the BBC Webwise page What plug-ins do I need? for advice on how to get Flash working in your browser.

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.