Can you have more than one field in the link for the short mod like this -
<a href="$db_script_link_url&ww=on&$db_key=$rec{$db_key}&view_records=1">$rec{'first_name','last_name'}"</a><BR>
?
<a href="$db_script_link_url&ww=on&$db_key=$rec{$db_key}&view_records=1">$rec{'first_name','last_name'}"</a><BR>
?