<?php

function deletetab_name($node) {
  return t('delete');
}

function deletetab_menu($may_cache) {
  $items = array();

  if (!$may_cache) {
    if (arg(0) == 'node' && is_numeric(arg(1))) {
      $node = node_load(array('nid' => arg(1)));
      if ($node->nid) {
        $items[] = array(
          'path' => 'node/'.arg(1).'/delete',
          'title' => t('delete'),
          'type' => MENU_LOCAL_TASK,
          'weight' => 5,
          'access' => node_access('delete', $node->type),
        );
      }
    }
  }

  return $items;
}

?>