changed getSubmenu to getSubmenuLocation

Because it doen't return the submenu itself, it returns the preferred
location

code/controllers/DocumentationViewer.php

@@ -593,7 +593,7 @@ class DocumentationViewer extends Controller {
 	 *
 	 * @return string
 	 */
-	public function getSubmenu() {
+	public function getSubmenuLocation() {
 		if ($this->currentLevelOnePage) {
 			if (self::$separate_submenu && !self::$recursive_submenu) {
 				return 'separate';

templates/Includes/DocInThisModule.ss

@@ -5,7 +5,7 @@
 			<% control EntityPages %>
 				<li>
 					<a href="$Link" class="$LinkingMode">$Title</a>
-					<% if Top.Submenu = nested %>
+					<% if Top.SubmenuLocation = nested %>
 						<% if Children %>
 							<% include DocSubmenu %>
 						<% end_if %>
@@ -16,7 +16,7 @@
 	</div>
 <% end_if %>
 
-<% if Submenu = separate %>
+<% if SubmenuLocation = separate %>
 	<% control CurrentLevelOnePage %>
 		<% if Children %>
 			<div class = "sidebar-box">