http://www.toupargel.fr/include/js_137/yui/yahoo-dom-event.js
http://nikonmetrology.com/design/ezwebin/javascript/yui/build/yahoo-dom-event/yahoo-dom-event.js
http://www.kravis.org/common_scripts/yui/2.3.1/yahoo-dom-event/yahoo-dom-event.js
http://dataprotection.ro/themes/dataprotection/js/yui/build/yahoo-dom-event/yahoo-dom-event.js