How to make node delete confirmation inline?
you can put this in your node--node-type.tpl.php file:

$item = menu_get_item("node/$nid/delete");
if ($item['access']) {
    include_once(drupal_get_path('module', 'node') . '/node.pages.inc');
    $page_title = drupal_get_title();
    $delete_form = drupal_get_form('node_delete_confirm', $node);
    print render($delete_form);
    drupal_set_title($page_title, PASS_THROUGH);
}


also you can remove Cancel link from $delete_form