You could try this:
/includes/templates/YOURTEMPLATE/templates/tpl_modules_products_all_listing.php
lines 22-24 have:
PHP Code:
if ($products_all_split->number_of_rows > 0) {
$products_all = $db->Execute($products_all_split->sql_query);
while (!$products_all->EOF) {
change to:
PHP Code:
if ($products_all_split->number_of_rows > 0) {
$products_all = $db->Execute($products_all_split->sql_query);
$row_counter = 0;
while (!$products_all->EOF) {
$row_counter++;
line 114 contains:change to:
PHP Code:
<tr class="<?php echo ((int)($row_counter/2)==($row_counter/2)) ? 'productListing-even' : 'productListing-odd'; ?>">
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