Something

<?php
		include_once("parse-apt-files.inc");
		
		echo "<h2>Packages in Lenny (testing)</h2>";
		parse_and_list(
			Array("dists/lenny/main/binary-i386/Packages.gz",
				  "dists/lenny/meta/binary-i386/Packages.gz",
				  "dists/lenny/non-free/binary-i386/Packages.gz"),
			Array("dists/lenny/main/source/Sources.gz",
				  "dists/lenny/meta/source/Sources.gz",
				  "dists/lenny/non-free/source/Sources.gz")
			);

echo "<h2>Packages in Gutsy (7.10)</h2>";
		parse_and_list(
			Array("dists/gutsy/main/binary-i386/Packages.gz",
				  "dists/gutsy/meta/binary-i386/Packages.gz",
				  "dists/gutsy/non-free/binary-i386/Packages.gz"),
			Array("dists/gutsy/main/source/Sources.gz",
				  "dists/gutsy/meta/source/Sources.gz",
				  "dists/gutsy/non-free/source/Sources.gz")
			);		
?>