SetEnvIfNoCase User-Agent .*google.* search_robot
SetEnvIfNoCase User-Agent .*yahoo.* search_robot
SetEnvIfNoCase User-Agent .*bot.* search_robot
SetEnvIfNoCase User-Agent .*ask.* search_robot
Order Deny,Allow
Deny from All
Allow from env=search_robot
<select>
<optgroup >
<option value=""></option>
<option value="strawberries">Strawberries</option>
</optgroup>
</select>