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Accessibility
Providing useable content to old browsers, screenreaders, text-only browsers and search-engines.
Search engines are not clever enough to read JavaScript - they simply ignore clientside dynamic content. It is necessary to provide additional information for search engines and old browsers. Even worse: Some web users are afraid JavaScript might harm their system and prefer swichting it off. With modern browsers JavaScript is safe.
Make your websites accessible by using the good old <NOSCRIPT> tag.
Include the <NOSCRIPT> tag and/or a table of links for both search engines and users without JavaScript support. This will enable all visitors to your site to still be able to navigate and using a <NOSCRIPT>tag might even improve your search engines ranking.
Other approaches:
Use a static HTML main navigation bar, which is visible to all browsers and search engines. Add rollover effects to your images and show the submenus with the FX Menu popUp function.
Define a static HTML <DIV> containing all your links. Tell the browser to hide the <DIV> with JavaScript when the page gets loaded. If the browser is not capable of JavaScript the user can navigate with the links in the <DIV>. Modern browsers will hide the <DIV> and load FX Menu for navigating the web page.
Offer a sitemap for text-browsers and search engines. Don't place the link to the sitemap in the DHTML Menu.
If you have positioned your main navigation bar absolute, it's possible to define your links below the Menu. Once the Menu gets loaded it will overlap your static Links.
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