This is a software tool that lets you add professional looking horizontal CSS menu systems.

With this Expression web add-in, Horizontal menu advancer, you would be able to add horizontally expanding, CSS driven menu systems to your web site quite easily. This creates horizontal drop-down CSS menus on your website without JS/CSS manual coding. The tool comes with and easy to use graphical interface and a set of built in templates. The templates will let you get a quick start. This tool generate light-weight, SEO-friendly CSS menus and supports menus with up to two horizontal levels. The real-time preview function lets you see exactly what you are building so that errors do not creep into your design. Extended color control provided in the tool will let you match your site color scheme, whereas the SEO management system will help improving your search result ranks and make the site quite friendly to the search engine spiders.

CSS menu structures can be easily imported or exported. You can have unlimited items in each menu level. The code generated by the tool is standards compliant; for example the XHTML as defined by the W3C committee. Keyboards shortcuts are included in the code generated so that visitors to the site can use keyboard only navigation of the site easily. Compatibility to multiple popular browsers are built in, the code generated is directly viewable in IE, Firefox, Opera, Chrome and Safari. While this tool is not exactly for beginners, you need to be familiar with CSS somewhat, it is easy to use for developers who need to develop these menu systems quickly.