Thank you, it was tpl_header.php.

Man, was I tired that evening. I meant to circle the "shopping cart" links. Anyway, the result and cause is the same. You're right, I added "checkout" to the drop down but forgot to remove "shopping cart" from the header since it was redundant on the surface level, especially with the cart sidebox activated and ordered first.
Code:
<!--bof-navigation display-->
<div id="navMainWrapper" class="clearfix">
<div id="navMain">
<div id="navMainLinks">
<ul class="back">
<li><?php echo '<a href="' . HTTP_SERVER . DIR_WS_CATALOG . '">'; ?><?php echo HEADER_TITLE_CATALOG; ?></a></li>
<?php if ($_SESSION['customer_id']) { ?>
<li><a href="<?php echo zen_href_link(FILENAME_LOGOFF, '', 'SSL'); ?>"><?php echo HEADER_TITLE_LOGOFF; ?></a></li>
<li><a href="<?php echo zen_href_link(FILENAME_ACCOUNT, '', 'SSL'); ?>"><?php echo HEADER_TITLE_MY_ACCOUNT; ?></a></li>
<?php
} else {
if (STORE_STATUS == '0') {
?>
<li><a href="<?php echo zen_href_link(FILENAME_LOGIN, '', 'SSL'); ?>"><?php echo HEADER_TITLE_LOGIN; ?></a></li>
<?php } } ?>
<?php if ($_SESSION['cart']->count_contents() != 0) { ?>
<li><a href="<?php echo zen_href_link(FILENAME_SHOPPING_CART, '', 'NONSSL'); ?>"><?php echo HEADER_TITLE_CART_CONTENTS; ?></a></li>
<li><a href="<?php echo zen_href_link(FILENAME_CHECKOUT_SHIPPING, '', 'SSL'); ?>"><?php echo HEADER_TITLE_CHECKOUT; ?></a></li>
<?php }?>
</ul>
</div>
<div id="navMainSearch">
<?php require(DIR_WS_MODULES . 'sideboxes/search_header.php'); ?>
</div>
</div>
</div>
<!--eof-navigation display-->
Bookmarks