the line of code it is erroring on is:
$MailBody = $MailBody . " <? } // $row_rsNewArrivals['imgFile'] <> \"\" ?>\r\n";
it looks to me like the problem is being caused by the way you are writing the php code blocks.
it looks like you wrote this code block as:
<? } // $row_rsNewArrivals['imgFile'] <> "" ?>
instead of:
<?php } // $row_rsNewArrivals['imgFile'] <> "" ?>
change line 151 to:
} // $row_rsNewArrivals['imgFile'] <> ""