<?php
global $wp_query;
		$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;

		$args = array_merge( $wp_query->query, array( 'post_type' => 'agenda',
		 'orderby' => 'meta_value', 'meta_key' => 'start-datum', 'order' => 'DESC',
		 'posts_per_page' => 5, 'paged' => $paged ) );

		query_posts( $args );
while (have_posts()) : the_post(); ?>