function assistant_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  switch ($op) {
    case 'prepare':
      // Planet Harmony is very specific in that users can only
      // create 1 group. So, when a group node is being added to the
      // site, then we need to make that check here.
      global $user;
      if (arg(0) == 'node' && arg(1) == 'add' && arg(2) == 'og-group') {
        $check = db_result(db_query("SELECT COUNT(nid) FROM {node} WHERE uid = %d AND type = '%s'", $user->uid, 'og_group'));
        if ($check) {
          drupal_set_message('Planet Harmony only allows a member to be the administrator of 1 group at a time.');
          drupal_goto('profile/'. $user->uid);
        }
      }
      break;
    case 'view':
      if ($node->type != 'page') {
        $node->content['sharethis_sharethis_this']['#value'] = '<div class="node-landing-gray-info sharethis">'. $node->content['sharethis_sharethis_this']['#value'] .'</div>';
        $node->content['fivestar_widget']['#value'] = '<div class="node-landing-gray-info fivestar">'. $node->content['fivestar_widget']['#value'] .'</div>';
      }
      break;
  }
}