The file you need is templates/YOUR_TEMPLATE/common/tpl_header.php. First you need to add a link to your website home page as a list item:
PHP Code:
<div id="navMainWrapper">
<div id="navMain">
<ul class="back">
<li><a href="mysiteroot">Home</a></li>
<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>
Next, decide if you want to keep the link to he shop home page. If you don't, just delete this line:
PHP Code:
<li><?php echo '<a href="' . HTTP_SERVER . DIR_WS_CATALOG . '">'; ?><?php echo HEADER_TITLE_CATALOG; ?></a></li>
If you do want to keep it, you will need to go to includes/languages/YOUR_TEMPLATE/english/header.php and change this line to suit:
PHP Code:
define('HEADER_TITLE_CATALOG', 'Home');