https://www.nsg.co.jp/_externalbuilds/NSG.WCM.NsgCom/Layouts/Scripts/accordion.js

1function GoToAccordion(collapsename, actiontype, scrollto, collapseyn) {
2    /* This Javascript function can be called from any link on a page
3     * it scrolls the user to the accordion then triggers its collapse function */
4
5    $('html, body').animate({
6        scrollTop: parseInt($('#' + scrollto).offset().top - 80)
7    }, 500);
8
9    $('#'+collapsename).collapse(actiontype);
10
11    window.location.hash = scrollto;
12    //return (false);
13}
14
15$(document).ready(function () {
16    /* Intercepts an accordion as it is collapsing to scroll to the top of it
17     * Calculates an offset but only if the accordion's data-parent attribute is customised */
18    $('.panel-collapse').on('show.bs.collapse', function (e) {
19        var callingid = ($(e.target).siblings('.panel-heading').find('a').attr('data-parent'));
20
21        var $panel = $(this).closest('.panel');      
22        var $open = $(this).closest('.panel-group').find('.panel-collapse.in');
23        
24        var additionalOffset = 0;
25        if (($panel.prevAll().filter($open.closest('.panel')).length !== 0) && (callingid != "#accordion")) {
26            additionalOffset = $open.height();
27        }
28        $('html,body').animate({
29            scrollTop: $panel.offset().top - additionalOffset
30        }, 500);
31    });
32});