(function () {
'use strict';
var title;
var htmlClasses;
var $pinnedElements;
function pinHtml() {
title = document.title;
htmlClasses = $('html').attr('class');
$pinnedElements = $('head,body').children();
}
function restoreHtml() {
document.title = title;
$('html').attr('class', htmlClasses);
$('head,body').children().not($pinnedElements).remove();
}
window.util = window.util || {};
window.util.pinHtml = pinHtml;
window.util.restoreHtml = restoreHtml;
}());