http://webexpedition18.com/articles/how-to-create-a-multi-step-signup-form-with-css3-and-jquery/
Mootools 1.4.5, HTML, CSS, JavaScript
http://adamonio.us/wexcode/66/introduction-to-javascript/
No-Library (pure JS), HTML, CSS, JavaScript
jQuery 1.8.3, HTML, CSS, JavaScript
http://www.designchemical.com/blog/index.php/jquery/form-validation-using-jquery-and-regular-expressions/
http://eloquentjavascript.net/chapter6.html
http://bitovi.com/blog/2010/10/a-crash-course-in-how-dom-events-work.html
jQuery 1.7.2, HTML, CSS, JavaScript
Fade out links except hovered one
CSS Negative Margins Tricks