Is your web browser up to date? ... http://www.dailymail.co.uk/sciencetech/article-1394917/Google-ditch-support-Internet-Explorer-7-Safari-3-Firefox-3-5.html

Google is phasing out support for some internet browsers from later this year. Users of Internet Explorer 7, Safari 3 and Firefox 3.5 and all previous versions will lose some functions from August 1. The features that will gradually stop working include access to Gmail, Google Calender, Google Talk and Google Docs.