$.fn.extend({animateCss:function(n){this.addClass("animated "+n).one("webkitAnimationEnd mozAnimationEnd MSAnimationEnd oanimationend animationend",function(){$(this).removeClass("animated "+n)});return this}});$(document).ready(function(){$(".dropdown").mouseover(function(){$(this).css("z-index",1e3);$(this).children("div").slideDown(60)});$(".dropdown").mouseleave(function(){$(this).css("z-index",0);$(this).children("div").slideUp(0)})})