diff --git a/lib/base/list_view.rb b/lib/base/list_view.rb
index 41c272a..515ff8b 100644
--- a/lib/base/list_view.rb
+++ b/lib/base/list_view.rb
@@ -7,17 +7,12 @@ class ListView < ElementView
     @elements = []
   end
 
-  # can be overriden to return a string that will be passed to div to create the root
-  # element for the list. See "div" in ElementView for possible strings
-  def root
-    "div"
-  end
-
-  # create a root node acording to the "root" function (default div)
+  # create a root node acording to the tag given (default div)
+  # The tag name will be passed to the div function, so class and id may be set as well (see there)
   # draw all children and keep the elements as @elements
   # return (as per base class) the single root of the collection
-  def draw
-    @element = div(self.root)
+  def draw root = "div"
+    @element = div(root)
     @elements = @children.collect do | c |
       add_element c.draw
     end
diff --git a/lib/blocks_view.rb b/lib/blocks_view.rb
index 5b5fb6e..5c8e6f7 100644
--- a/lib/blocks_view.rb
+++ b/lib/blocks_view.rb
@@ -16,7 +16,6 @@ class BlocksView < ListView
 
   def instruction_changed
     return if @interpreter.block.name == active_block_name
-    puts "blocks changed to #{@interpreter.block.name}"
     @elements.last.at_css(".bright").remove_class("bright")
     append( BlockView.new(@interpreter.block) )
     remove_first if( @elements.length > 5)
diff --git a/lib/registers_view.rb b/lib/registers_view.rb
index 7c89c2e..3387d79 100644
--- a/lib/registers_view.rb
+++ b/lib/registers_view.rb
@@ -13,12 +13,8 @@ class RegistersView < ListView
     super(kids)
   end
 
-  def root
-    "div.registers_view"
-  end
-
   def draw
-    super()
+    super( "div.registers_view" )
     @element.children.each do |reg|
       elem = div("div.register_view")
       wrap_node_with reg , elem