Help and accessibility

This website has been developed to make information accessible, easy to find and easy to repurpose.

We follow international accepted codes of practice, notably the Worldwide Web Consortium (W3C). Not only does this guarantee that your site adheres to standards, it encompasses substantial usability, accessibility, future-proofing and search engine optimisation features. Our standards adherence for this website include XHTML and CSS.

world wide web consortium logo


We expect visitors to be employing Internet Explorer 6 and 7 or Mozilla Firefox to view this site. Some advanced features may only be available to users with more recent (generation 7) browsers, although most of the site is designed to be version 5 browser compatible. We have tested this site on many browsers, including:

Internet Explorer 7.0.5730.13

Internet Explorer 7.0.5730.13

Windows Internet Explorer, (formerly Microsoft Internet Explorer abbreviated MSIE), commonly abbreviated to IE, is a series of graphical web browsers developed by Microsoft. is the most common web browser and usually prevalent in medium to large organisations.

Internet Explorer 6

Internet Explorer 6

Windows Internet Explorer, (formerly Microsoft Internet Explorer abbreviated MSIE), commonly abbreviated to IE, is a series of graphical web browsers developed by Microsoft. is the most common web browser and usually prevalent in medium to large organisations.

Mozilla Firefox 3.04

Mozilla Firefox 3.04

A popular website built by a large community using open source methods. Firefox has many plugins that enhance the functionality of browsing. Mozilla Firefox is a free and open source web browser descended from the Mozilla Application Suite, managed by the Mozilla Corporation. Firefox had 19.97% of the recorded usage share of web browsers as of October 2008, making it the second-most popular browser in current use worldwide, after Internet Explorer.[4] Firefox runs on various versions of Microsoft Windows, Mac OS X, Linux, and many other Unix-like operating systems.

Safari 3.12 (525.21)

Safari 3.13 (525.21)

Experience the web, Apple style, with Safari: the fastest, easiest-to-use web browser in the world. With its simple, elegant interface, Safari gets out of your way and lets you enjoy the web faster than any browser. Safari is free for Mac + PC. Safari is a proprietary Internet web browser developed by Apple Inc. the company’s Mac OS X operating system, it became Apple’s default browser beginning with version 10.3, commonly referred to simply as “OS X Panther” or just “Panther”. Safari was initially released as a public beta on January 7, 2003[1] Respective versions of Safari were also developed for iPhone and iPod Touch.
On June 11, 2007, a version of Safari was released for Microsoft’s Windows XP and Vista operating systems.[2]

Opera 9.51

Opera 9.51

Making you faster
Opera runs on a variety of personal computers on various operating systems, including Microsoft Windows, Mac OS X, Linux, FreeBSD, and Solaris[2]. . Though evaluations of Opera have been largely positive, Opera has captured only a fraction of the worldwide personal computer browser market. It is currently the fourth most widely used web browser for personal computers behind Internet Explorer, Firefox, and Safari.

Google Chrome

Google Chrome

Google Chrome is a browser that combines a minimal design with sophisticated technology to make the web faster, safer, and easier. Google Chrome is a free web browser developed by Google[1] and based on the WebKit layout engine and application framework. It currently has a share of about 1% of the browser market.[2] It was first released as a beta version for Microsoft Windows on September 2, 2008. The name is derived from the graphical user interface frame, or “chrome”, of web browsers.

RSS feeds

RSS feeds allow one to syndicate news or other content. The feed is an XML file that can be read by special feed reading software (called ‘news readers’, ‘feed readers’ or ‘news aggregators’) that you can use from your web browser.

You can view and manage feeds in Internet Explorer 7 (Tools > Toolbars > Feeds) . In this way you will be ‘fed’ news articles to your browser, desktop or online news service.

Knowledge management

We encourage you to store bookmarks on other bookmark aggregators (eg: Delicious), or refer news articles to colleagues (eg: Digg), or store information on other accounts you may have (eg: Google, MyYahoo!). This icon will allow you to do that, by clicking on it when you are on your target page and following the instructions that appear.


You can change your preferred viewing in the following ways:

Font sizes

Mozilla Firefox: CTRL and “+” will enlarge the page size, while CTL and “-” will reduce the page size.

Use the “enlarge text” icon to enlarge the text size, the “default text” icon to return to normal size and the “decrease text” icon for a smaller text size.

You can use your browser to change this document’s preferred font size too.

In Internet Explorer, select:

View Text Size

The preferred text size.


Access keys can be used to navigate through the website by means of using your keyboard. The accesskeys specified for this website are:

Internet Explorer: ALT+(Accesskey) then ENTER

Mozilla Firefox: ALT+SHIFT+(Accesskey) then ENTER

Safari: CTRL+(Accesskey)

Opera: Shift+Esc then (Accesskey)

Style sheets

You may import your own style sheet into this website as follows:

Select Tools

Select Internet Options

Click on the Accessibility button (see representation below)

Click on up to three checkboxes to ignore colours, font styles or font sizes

In the same window, to change your style sheet, select the checkbox: ‘Format document using my style sheet’

Browse to your style sheet and click OK

Internet Options Panel

File formats


We place Portable Document Files (.pdf extension) on the website where it has provided the source material, is not available in other formats, or where it is not expedient to recreate the document as HTML. We suggest you right-click on the PDF link and save to your desktop, and then view from there.


SWF currently functions as the dominant format for displaying “animated” vector graphics on the Web. Intended to be small enough for publication on the web, SWF files can contain animations or applets of varying degrees of interactivity and function. SWF is also sometimes used for creating animated display graphics and menus for DVD movies, and television commercials. More…


An archive file is a file that is composed of one or more files along with metadata that can include source volume and medium information, file directory structure, error detection and recovery information, file comments, and usually employs some form of lossless compression. More…


Video and audio files (.wav, .mp3 etc) may be used on this site as they often convey more than written text is able to. We include video and audio from other suppliers where they are made publically available.

Files marked as podcast files can be played by clicking the link. Or you can download them and transfer them to your mp3 player (eg: iPod or other) for playback when its convenient.


We urge you to consider the environment before printing. Website pages should print true to screen display, and PDF will also print true. Check your settings and preview the print before printing.