// hover effect
$(document).ready(function(){
    $('div.demo-show h3').add('div.demo-show2 h3').hover(function(){
        $(this).addClass('hover');
    }, function(){
        $(this).removeClass('hover');
    });
});

// independently show and hide
$(document).ready(function(){
    $('div#options:eq(0)> div').hide();
    $('div#options:eq(0)> h3').click(function(){
        $(this).next().slideToggle('fast');
    });
});

// one showing at a time

$(document).ready(function(){
    $('div.demo-show:eq(1) > div:gt(0)').hide();
    $('div.demo-show:eq(1) > h3').click(function(){
        $(this).next('div:hidden').slideDown('fast').siblings('div:visible').slideUp('fast');
    });
});


//simultaneous showing and hiding

$(document).ready(function(){
    $('div.demo-show2:eq(0) > div').hide();
    $('div.demo-show2:eq(0) > h3').click(function(){
        $(this).next('div').slideToggle('fast').siblings('div:visible').slideUp('fast');
    });
});

//queued showing and hiding
$(document).ready(function(){
    $('div.demo-show2:eq(1) > div').hide();
    $('div.demo-show2:eq(1) > h3').click(function(){
        var $nextDiv = $(this).next();
        var $visibleSiblings = $nextDiv.siblings('div:visible');
        
        if ($visibleSiblings.length) {
            $visibleSiblings.slideUp('fast', function(){
                $nextDiv.slideToggle('fast');
            });
        }
        else {
            $nextDiv.slideToggle('fast');
        }
    });
});