$$('#dc-menu-popup ul li a.active').addClass('set_active');$$('#dc-menu-popup ul li a').addEvent('mouseenter',function(){var ul=this.getParent('ul');var li=ul.getChildren('li.active');var a=li.getElement('.active');li.removeClass('active');a.removeClass('active');this.getParent('li').addClass('active');this.addClass('active');});$$('#dc-menu-popup ul li ul li a').removeEvents();$$('#dc-menu-popup ul').addEvent('mouseleave',function(){var deactive=this.getElement('a.set_active');var li=this.getChildren('li.active');var a=li.getElement('.active');li.removeClass('active');a.removeClass('active');if(deactive){deactive.addClass('active');deactive.getParent('li').addClass('active');}});