DOMReady.add(function() {
    var ho_link = $('plan-route-link');
    var ho_form = $('plan-route');

    if (ho_link && ho_form) {
        ho_linkanchor = ho_link.down('a');
        ho_form.hide();
        ho_linkanchor.onclick = function() { return false; };
        ho_linkanchor.observe('click', function() {
            ho_form.show();
            ho_link.remove();
        });
    }
});