/**
* Deletes any blocks associated with the exportable item being deleted.
*/
function delete_page($js, $input, $item)
{
$delta = drupal_strlen($item->machinename) >= 32 ? md5($item->machinename) : $item->machinename;
db_delete('block')->condition('module', 'dfp')->condition('delta', $delta)->execute();
return parent::delete_page($js, $input, $item);
}
