<?php
/*
Plugin Name: Ascending date order archives
Plugin URI: http://www.myelin.co.nz/post/2006/2/24/#200602241
Description: Simple plugin to reverse the date order in your archives
Author: Phillip Pearson
Version: 0.01
Author URI: http://www.myelin.co.nz/post/
*/ 

function phil_asc_date_order_pre_get_posts(&$args)
{
	if (is_archive())
	{
		$qv =& $args->query_vars;
		$qv["order"] = "ASC";
	}
}

add_action("pre_get_posts", "phil_asc_date_order_pre_get_posts");

?>