Use of releaseEvents() is deprecated. To upgrade your code, use the DOM 2 removeEventListener() method. For more help http://developer.mozilla.org/en/docs/DOM:element.removeEventListener
L'uzo de releaseEvents() o l'é deprecou. Pe agiornâ o teu còdece, adeuvia o metodo DOM 2 removeEventListener(). Pe avei ciù agiutto vanni chi http://developer.mozilla.org/en/docs/DOM:element.removeEventListener