/ Published in: JavaScript
via [https://www.packtpub.com/mootools-1-2-beginners-guide/book](https://www.packtpub.com/mootools-1-2-beginners-guide/book) & [http://davidwalsh.name/mootools-custom-event](http://davidwalsh.name/mootools-custom-event)
URL: http://jsfiddle.net/Qp2MM/