No-Library (pure JS), HTML, CSS, JavaScript
Mootools 1.4.5, HTML, CSS, JavaScript
jQuery 1.7.1, HTML, CSS, JavaScript
Mootools 1.4.2, HTML, CSS, JavaScript
jQuery 1.6.2, HTML, CSS, JavaScript
http://stackoverflow.com/questions/7114185/javascript-validate-user-input-against-desired-character-set-encoding get back to that poor guy
YUI 3.3.0, HTML, CSS, JavaScript