function jma_gbs_template_redirect()
{
    $body = true;
    add_action(
        'genesis_before_sidebar_widget_area',
           function () use ($body) {
               jma_gbs_open_div($body);
           }
    );
    add_action(
       'genesis_before_loop',
          function () use ($body) {
              jma_gbs_open_div($body);
          }
    );
    add_action(
        'genesis_after_sidebar_widget_area',
           function () use ($body) {
               jma_gbs_close_div($body);
           }
    );
    add_action(
       'genesis_after_loop',
          function () use ($body) {
              jma_gbs_close_div($body);
          }
    );
}
add_action('template_redirect', 'jma_gbs_template_redirect');