https://www.lyceum-arystan.kz/tpl/default/public/js/accordion.js

1$(document).ready(function(){
2  $('#celebs ul > li ul')
3    .click(function(event){
4      event.stopPropagation();
5    });
6    //.filter(':not(:first)')
7    //.hide();
8    
9  $('#celebs ul > li').click(function(event){
10    var selfClick = $(this).find('ul:first').is(':visible');
11    if(!selfClick) {
12      $(this)
13        .parent()
14        .find('> li ul:visible')
15        .slideToggle();
16    }
17    
18    $(this)
19      .find('ul:first')
20      .stop(true, true)
21      .slideToggle();
22	
23	var a=$(this).find('ul:first').length;
24	if(a)return false;
25  });
26});