app/views/georgia/menus/create.js.erb
<% if @menu.valid? %>
window.location.href = '<%= url_for([:edit, @menu]) %>';
<% else -%>
$('#menu_form .modal-body').prepend("<div class='alert alert-error'><button type='button' class='close' data-dismiss='alert'>×</button>You need a valid and unique menu name.</div>");
<% end %>