$(document).ready(function () {
  var $container = $('section.more');

  if ($container.find('.js-tabs').length) {
    $container.tabs();
  }

  $('#get-started a.toolbar-disabled').click(function(e) {
    window.open($(this).attr('href'), 'govuk_transaction_window', 'toolbar=no')
    e.preventDefault();
  });
});

$(document).ready(function () {
  var $container = $('section.more');

  if ($container.find('.js-tabs').length) {
    $container.tabs();
  }
});

--- 
+++ 
@@ -4,4 +4,9 @@
   if ($container.find('.js-tabs').length) {
     $container.tabs();
   }
+
+  $('#get-started a.toolbar-disabled').click(function(e) {
+    window.open($(this).attr('href'), 'govuk_transaction_window', 'toolbar=no')
+    e.preventDefault();
+  });
 });
Add onclick handler for opening restricted windows.

Evil, I tell ye. Evil! :japanese_ogre: