var startGoogleSigninApp = function() {
    gapi.load('auth2', function(){
      auth2 = gapi.auth2.init({
        client_id: '26200011094-f6n31v26gh6o5hsjh2960tei8tdeiq28.apps.googleusercontent.com',
        cookiepolicy: 'single_host_origin',
      });
      attachSignin(document.getElementById('googleButton'));
    });
  };