<?php
    $strtemp = $_SERVER['PHP_SELF'];
    $str = basename ( $strtemp , ".php" );
    $nom = substr ($str,0,-5);
    $lan = substr ($str,-4,3);
    $num = substr ($str,-1,1);


function get_nav($page,$de)
{

echo '<div id="navi">';

if ($page==1 && $de==2) echo ('');
if ($page==2 && $de==2) echo ('<a class="more" href="' . $nom . '_' . $lan . '1.php"><img src="nav/nav-avant.png" width="42" height="42" alt="fleche" /></a>');
if ($page==1 && $de==3) echo ('');
if ($page==2 && $de==3) echo ('<a class="more" href="' . $nom . '_' . $lan . '1.php"><img src="nav/nav-avant.png" width="42" height="42" alt="fleche" /></a>');
if ($page==3 && $de==3) echo ('<a class="more" href="' . $nom . '_' . $lan . '2.php"><img src="nav/nav-avant.png" width="42" height="42" alt="fleche" /></a>');
if ($page==1 && $de==4) echo ('');
if ($page==2 && $de==4) echo ('<a class="more" href="' . $nom . '_' . $lan . '1.php"><img src="nav/nav-avant.png" width="42" height="42" alt="fleche" /></a>');
if ($page==3 && $de==4) echo ('<a class="more" href="' . $nom . '_' . $lan . '2.php"><img src="nav/nav-avant.png" width="42" height="42" alt="fleche" /></a>');
if ($page==4 && $de==4) echo ('<a class="more" href="' . $nom . '_' . $lan . '3.php"><img src="nav/nav-avant.png" width="42" height="42" alt="fleche" /></a>');
?>

function get_nav($page,$de)
{
  global $nom;
  global $lan;