in amplify-theme/assets/js/scripts.js [309:327]
$('ul.tabs li').click(function(event, stopPropogation){
var parent_tab_class='.' + $(this).parent().parent().attr('data-group');
var tab_id = $(this).attr('data-tab');
$(parent_tab_class + ' ul.tabs li').removeClass('current');
$(parent_tab_class +' .tab-content').removeClass('current');
$(this).addClass('current');
$(parent_tab_class + " #"+tab_id).addClass('current');
// Prevent circular trigger actions
if (stopPropogation == true)
return;
// Find other tab classes in page and trigger click respectively
// Without propogating
// $('li.tab-link.' + tab_id).not ('.current').trigger('click',[true]);
});