<?php
$releasenotes = _r('https://wiki.mageia.org/en/Mageia_4_Release_Notes');
$errata = _r('https://wiki.mageia.org/en/Mageia_4_Errata');
$upgradeguide = _r('https://wiki.mageia.org/en/Mageia_4_Release_Notes#Upgrading_from_Mageia_3');

$nav = array( 
    "/{$locale}/4/"  => _r('Mageia&nbsp;4'),
    "/{$locale}/4/download_index.php" => _r('Download'),
    $releasenotes => _r('Release notes'),
    $errata => _r('Errata'),
);

$sru = trim($_SERVER['REQUEST_URI']);

$pnav = array();
foreach ($nav as $k => $v) {
    $pnav[] = sprintf('<li><a href="%s"%s>%s</a></li>',
        $k,
        $k == $sru ? ' class="sel"' : null,
        $v);
}
$pnav = implode($pnav);

echo <<<S
<div id="mgnavsub"><ul id="mgnavsubl">{$pnav}</ul></div>
S;