Ajax-Enable Standard Websites: jQuery Ajaxy
jQuery Ajaxy is a plugin which enables us to convert a standard website into an Ajaxed one with no hassles.
It has built-in support for URL hash changes, AJAX form submits or AJAX links.
The usage of the plugin is so easy: the ordinary links and forms are upgraded into Ajax requests by just adding a CSS classname.
As the URL addresses change on every request, users can browse with browser back-forward buttons and URLs will stay SEO-friendly.
The plugin also gives the ability to control your web applications state manually through your code for advanced circumstances.