Christian Effenberger latest tool Mapper.js 1.0, allows allows you to add automatic area highlighting to image maps on your webpages. It uses unobtrusive javascript to keep the code clean.

It works in all the major browsers - Mozilla Firefox 1.5+, Opera 9+, Safari and IE6+. On older browsers, it can use "jsgraphics" from Walter Zorn (if installed), else it'll degrade and your visitors won't notice a thing. CVI-lab: Get a fast impression of the effects and their illustration qualities.

You are able to create an image map, and then define the colors through the simple CSS class microformat:

<img class="mapper iborder00aa00 icolor00ff00" src="images/eu.gif" usemap="#map_of_europe" / />

mapper.js

Mapper, JavaScript, Library