create content type

function _create_content_type($properties) {  $default = array(    'type' => '',    'name' => st(''),    'module' => 'node',    'description' => st(''),    'custom' => TRUE,    'modified' => TRUE,    'locked' => FALSE,  );  $type = array_merge($default, $properties);  $type = (object)_node_type_set_defaults($type);  node_type_save($type);}