jQuery 1.6.3, HTML, CSS, JavaScript
Mootools 1.4.1, HTML, CSS, JavaScript
http://www.experts-exchange.com/Programming/Languages/Scripting/JavaScript/Q_27398942.html#a37004527
Mootools 1.4.0, HTML, CSS, JavaScript
http://www.experts-exchange.com/Programming/Languages/Scripting/JavaScript/Q_27379943.html?cid=1749
No-Library (pure JS), HTML, CSS, JavaScript