function hook_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
 	
	 $nodetype = node_get_types('type', $node);	
		
		        switch ($op) {
			case 'submit':
				drupal_set_message('Will override Submit');
				$node->title = $node->countryname;
			
				return 'new/path';	 

     }