WKlib:     http://glossar.ha-augsburg.de/
           Copyright ©2010-2014 Wolfgang Kowarschick
           License: CC BY-NC-SA 3.0
           http://creativecommons.org/licenses/by-nc-sa/3.0/

mootools:  http://mootools.net/
           copyright ©2006-2013 Valerio Proietti
           License: MIT license
           http://www.opensource.org/licenses/mit-license.php

prototype: http://prototypejs.org/   
           © 2006–2012 Prototype Core Team.
           Licenses: MIT License (source code) and CC-BY-SA (documentation)
           http://prototypejs.org/license.html and 
           http://creativecommons.org/licenses/by-sa/3.0/
           
jQuery:    http://jquery.com/
           Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors
           License: MIT license
           http://jquery.org/license

jQueryMX:  http://javascriptmvc.com/
           http://jquerymx.com/
           Copyright (C) 2012 by Bitovi (http://bitovi.com)
           License: MIT license
           http://www.opensource.org/licenses/mit-license.php