<?php
   $dbPage = (isset($_GET['dbpage']) ? $_GET['dbpage'] : 1);
   $nextPage = $dbPage + 1;
   $prevPage = ($dbPage == 1 ? 1 : $dbPage - 1);
?>
<a href="mysite.com?page=<?=$_GET['dbpage']?>&dbpage=<?=$prevPage?>">Previous</a>
<a href="mysite.com?page=<?=$_GET['dbpage']?>&dbpage=<?=$nextPage?>">Next</a>

$page_number = (isset($_GET['dbpage'])) ? $_GET['dbpage'] : 1;
$news_per_page = 10;

$limit = ($page_number - 1) * $news_per_page;
$q = "SELECT * FROM your table LIMIT $limit, $news_per_page" ...