jQuery Highlighter Plugin is an easy to use plugin that allows you to add step-by-step highlighting of various content containers on the web page. You can use it in various types of presentations / walkthroughs / tutorials requiring user to focus on various parts of the webpage in a specific order.
jQuery Highlighter Plugin supports keyboard navigation, auto play and allows you to show description of each highlighted area. It is also customizable using various configuration options: animation speed, shadow style, overlay color, etc.
Developed by Christoph Hochgatterer; jQuery Highlighter Plugin is available for free. You can find further information, demos & download on jQuery Highlighter Plugin Website.