diff --git a/nx01-mushroom-mais-fc18/src/main/java/love/distributedrebirth/nx01/mushroom/mais/fc18/FCDocWriter.java b/nx01-mushroom-mais-fc18/src/main/java/love/distributedrebirth/nx01/mushroom/mais/fc18/FCDocWriter.java
index 439694e..60a33f6 100644
--- a/nx01-mushroom-mais-fc18/src/main/java/love/distributedrebirth/nx01/mushroom/mais/fc18/FCDocWriter.java
+++ b/nx01-mushroom-mais-fc18/src/main/java/love/distributedrebirth/nx01/mushroom/mais/fc18/FCDocWriter.java
@@ -130,7 +130,7 @@ public class FCDocWriter {
 		doc.setFrameNavPrintParentParent(true);
 		doc.setGroupTypeName("summary", "Summary",1);
 		doc.setGroupTypeName("overview", "Overview",2);
-		//doc.setMetaStyleSheetThema("jdk6");
+		doc.setMetaStyleSheetThema("jdk6");
 		
 		doc.addTreeNodeClassExclude(TDocCakeWord.class);
 		doc.setFrameNavConceptClass(TDocCakeSlice.class);
diff --git a/nx01-x4o-maisdoc/src/main/java/org/x4o/maisdoc/flake/MaisDocGenerator.java b/nx01-x4o-maisdoc/src/main/java/org/x4o/maisdoc/flake/MaisDocGenerator.java
index 32fa18f..4d56ca2 100644
--- a/nx01-x4o-maisdoc/src/main/java/org/x4o/maisdoc/flake/MaisDocGenerator.java
+++ b/nx01-x4o-maisdoc/src/main/java/org/x4o/maisdoc/flake/MaisDocGenerator.java
@@ -560,9 +560,6 @@ public class MaisDocGenerator implements MaisDocContentPrinter {
 				return;
 			}
 			String thema = doc.getMetaStyleSheetThema();
-			if (thema==null) {
-				thema = "jdk7";
-			}
 			List<String> cssResources = new ArrayList<String>(10);
 			cssResources.add("org/x4o/maisdoc/theme/base/api-theme.css");
 			cssResources.add("org/x4o/maisdoc/theme/base/api-html.css");
@@ -1023,7 +1020,7 @@ public class MaisDocGenerator implements MaisDocContentPrinter {
 			}
 			writer.printTagEnd(Tag.ul);
 			
-			if (isTop) {
+			if (isTop && "jdk7".equals(doc.getMetaStyleSheetThema()) && doc.getMetaStyleSheet()==null) {
 				writer.printTagStart(Tag.ul,MaisDocContentCss.navList);
 					writer.printTagStart(Tag.li);
 					writer.printTagStart(Tag.div);
diff --git a/nx01-x4o-maisdoc/src/main/java/org/x4o/maisdoc/model/MaisDoc.java b/nx01-x4o-maisdoc/src/main/java/org/x4o/maisdoc/model/MaisDoc.java
index 96a2840..c15ae77 100644
--- a/nx01-x4o-maisdoc/src/main/java/org/x4o/maisdoc/model/MaisDoc.java
+++ b/nx01-x4o-maisdoc/src/main/java/org/x4o/maisdoc/model/MaisDoc.java
@@ -118,6 +118,9 @@ public class MaisDoc {
 			setFrameNavPrintParentId(false);
 		}
 		
+		if (metaStyleSheetThema==null) {
+			setMetaStyleSheetThema("jdk7");
+		}
 		if (noFrameAllTopJS==null) { 
 			noFrameAllTopJS =	"\nallClassesLink = document.getElementById(\"allclasses_navbar_top\");\n"+
 								"if(window==top) {\n\tallClassesLink.style.display = \"block\";\n} else {\n\tallClassesLink.style.display = \"none\";\n}\n";