it looks like the navigation code in the results page has become modified.
in the webassist/plugins/catalog/results.php page, the navigation code should be:
<?php if ($totalRows_WADAProducts > 0) { // Show if recordset not empty ?>
<div class="ps_pod5">
<div class="links"> Products <?php echo ($startRow_WADAProducts + 1) ?> to <?php echo min($startRow_WADAProducts + $maxRows_WADAProducts, $totalRows_WADAProducts) ?> of <?php echo $totalRows_WADAProducts ?>
<span class="paginationLinks">
<?php if ($pageNum_WADAProducts > 0) { // Show if not first page ?>
<a href="<?php printf("%s?pageNum_WADAProducts=%d%s", $currentPage, 0, $queryString_WADAProducts); ?>">First</a>
<?php } // Show if not first page ?>
<?php if ($pageNum_WADAProducts > 0) { // Show if not first page ?>
<a href="<?php printf("%s?pageNum_WADAProducts=%d%s", $currentPage, max(0, $pageNum_WADAProducts - 1), $queryString_WADAProducts); ?>">Prev</a>
<?php } // Show if not first page ?>
<?php if ($pageNum_WADAProducts < $totalPages_WADAProducts) { // Show if not last page ?>
<a href="<?php printf("%s?pageNum_WADAProducts=%d%s", $currentPage, min($totalPages_WADAProducts, $pageNum_WADAProducts + 1), $queryString_WADAProducts); ?>">Next</a>
<?php } // Show if not last page ?>
<?php if ($pageNum_WADAProducts < $totalPages_WADAProducts) { // Show if not last page ?>
<a href="<?php printf("%s?pageNum_WADAProducts=%d%s", $currentPage, $totalPages_WADAProducts, $queryString_WADAProducts); ?>">Last</a>
<?php } // Show if not last page ?>
</span>
</div>
</div>
<?php do { ?>
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