Paging

Kode 

<?php
mysql_connect(".....","......","......");
mysql_select_db("......");

$query = mysql_query("select * from artoBesog order by id desc limit $vis_fra, $pr_side");

$pr_side = 5;
$antal = mysql_num_rows($query);
$vis_fra = (isset($_GET["visfra"]) && is_numeric($_GET["visfra"]) && $_GET["visfra"] < $antal) ? $_GET["visfra"] : 0;


while ($r = mysql_fetch_array($query)) {
echo $r["id"]."";
}
echo "<hr />";

if ($vis_fra > 0) {
$back = $vis_fra - $pr_side;
echo "<a href='paging.php?visfra=$back'>forrige</a> ";
}
$page = 1;

for($start = 0; $antal > $start; $start = $start + $pr_side) {
if($vis_fra != $page * $pr_side - $pr_side) {
echo "<a href='paging.php?visfra=$start'>$page</a> ";
} else {
echo $page;
}
$page++;
}

if ($vis_fra < $antal - $pr_side) {
$next = $vis_fra + $pr_side;
echo " <a href='paging.php?visfra=$next'>næste</a>";
}
?>