(function() {

var SOURCES = window.TEXT_VARIABLES.sources;

window.Lazyload.js(SOURCES.jquery, function() {
  var $pageMask = $('.js-page-mask');
  var $pageRoot = $('.js-page-root');
  var $sidebarShow = $('.js-sidebar-show');
  var $sidebarHide = $('.js-sidebar-hide');

  function freeze(e) {
    if (e.target === $pageMask[0]) {
      e.preventDefault();
    }
  }
  function stopBodyScrolling(bool) {
    if (bool === true) {
      window.addEventListener('touchmove', freeze, { passive: false });
    } else {
      window.removeEventListener('touchmove', freeze, { passive: false });
    }
  }

  $sidebarShow.on('click', function() {
    stopBodyScrolling(true); $pageRoot.addClass('show-sidebar');
  });
  $sidebarHide.on('click', function() {
    stopBodyScrolling(false); $pageRoot.removeClass('show-sidebar');
  });
});

})();