$(document).ready(function(){
$('.accordion > .accordion-content').hide();
$('.accordion-content').eq(1).show();
$('.accordion > h3').eq(1).addClass('expanded');
    var toggles = $('.accordion > h3');
    toggles.addClass('toggle');
    toggles.click(function() {
        var toggled = $(this);
        var $nextDiv = toggled.next();
        var $visibleSiblings = $nextDiv.siblings('.accordion-content:visible');
        if(toggled.hasClass('expanded')){
            $('.expanded').removeClass('expanded');
            $nextDiv.slideToggle(500);
        }
        else {
            $('.expanded').removeClass('expanded');
            if ($visibleSiblings.length) {
                $visibleSiblings.slideUp(500, function() {$nextDiv.slideToggle(500);});
                toggled.addClass('expanded');
            }
            else {
                $nextDiv.slideToggle(500);
                toggled.addClass('expanded');
            }
        }
     });
});