Fiddle 3

by Nibin George

HTML

<div class="btn-group group dropdown">
                    <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown">Tentang Kami <span class="caret"></span></button>

                    <ul class="dropdown-menu" role="menu">
                    <li><a href="#" onclick="getSummary(2)">Sejarah</a></li>
                    <li><a href="#" onclick="getSummary(3)">Visi Misi</a></li>
                    <li><a href="#" onclick="getSummary(4)">Program Studi</a></li>
                </ul>
                </div>

CSS

.dropdown li {
    display:none;
}

JavaScript

$('.btn-group.dropdown').live('click',function(){
    if($('.dropdown li').is(':visible')){
    $('.dropdown li').fadeOut(1000);   
    }else{
    $('.dropdown li').fadeIn(1000);
    }
    })