+top_maincat 1 # include maincat in top tab bar
+top_maincat1 0 # include maincat subcat 1 in top tab bar
+top_maincat2 0 # include maincat subcat 1 in top tab bar
+top_altcat 1 # include alt cat in top tab bar
+top_altcat1 0 # include alt cat subcat 1 in top tab bar
+top_altcat2 0 # include alt cat subcat 1 in top tab bar