'use strict'; 
document.addEventListener('DOMContentLoaded', function (){ 
var tabs = getAll('.bd-tabs'); 
if (tabs && _AN_Read_length('length', tabs) > 0) { 
tabs.forEach(function (tab){ 
var buttons = getAll('.bd-tabs-nav button', tab); 
var items = getAll('.bd-tabs-item', tab); 
buttons.forEach(function (button, index){ 
button.addEventListener('click', function (event){ 
showTab(buttons, items, index); 
} 
); 
} 
); 
} 
); 
} 
function showTab(buttons, items, index){ 
buttons.forEach(function (button){ 
button.classList.remove('bd-is-active'); 
} 
); 
items.forEach(function (item){ 
item.classList.remove('bd-is-active'); 
} 
); 
buttons[index].classList.add('bd-is-active'); 
items[index].classList.add('bd-is-active'); 
} 
function getAll(selector){ 
var parent = _AN_Read_length('length', arguments) > 1 && arguments[1] !== undefined? arguments[1]: document; 
return Array.prototype.slice.call(parent.querySelectorAll(selector), 0); 
} 
} 
);