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var accordion = {
     init: function(){
           var $container = $('#accordion');
           $container.find('li:not(:first) .details').hide();
           $container.find('li:first').addClass('active');
           $container.on('click','li a',function(e){
                  e.preventDefault();
                  var $this = $(this).parents('li');
                  if($this.hasClass('active')){
                         if($('.details').is(':visible')) {
                                $this.find('.details').slideUp();
                         } else {
                                $this.find('.details').slideDown();
                         }
                  } else {
                         $container.find('li.active .details').slideUp();
                         $container.find('li').removeClass('active');
                         $this.addClass('active');
                         $this.find('.details').slideDown();
                  }
           });
     }
};