$(document).ready( function(){function creaEventos(){var menu = document.getElementById("descargas");var opacities = [1];var cantItems = menu.getElementsByTagName("div").length;for(var i= 0 ; i < cantItems ; i++){var bot = menu.getElementsByTagName("div")[i];bot.alpha = opacities[i];bot.onmouseover = function(){$("em", this).stop().animate({opacity: 0}, 200 );};bot.onmouseout = function(){$("em", this).stop().animate({ opacity: 1}, 200 );}}}creaEventos();});