You may need to update browser or your version of browser is missing a JavaScript plug in.

Please also try a hard refresh, i.e. clear your browser cache. To do this, go to setting in your browser and select clear history. This will then give you the option to select to clear history or Cache or even both. Alternatively you can click on 'ctrl + shift + delete' to clear the history or Cache.

 If you experience further issues please contact our support team.