anchor.diff:  
   r({datatable, Header, Content}) -> datatable(Header, Content);
   r({datatable, Header, Content, Options}) -> datatable(Header, Content, Options);
  +
  +r({input_datetimepicker, Name}) -> input_datetimepicker(Name);
  +r({input_datetimepicker, Name, Value}) -> input_datetimepicker(Name, Value);
   
   r({input_datepicker, Name}) -> input_datepicker(Name);
   r({input_datepicker, Name, Value}) -> input_datepicker(Name, Value);
  
positive.code:         end ++ is_disabled(Name)
      }.
  
  input_datepicker(Name, Value) ->
      {input, [{type, "text"}, {class, "datetimepicker"}, {name, Name}, {value, Value}] ++ is_disabled(Name)}.
  
  input_hidden(Name) ->
      {input, [{type, "hidden"}, {name, Name}] ++
  
negative.code: input_textarea(Name, Value) ->
      {textarea, [{name, Name}, {cols, "30"}, {rows, "5"}] ++ is_disabled(Name), Value}.
  
  input_datetimepicker(Name) ->
      {input, [{type, "text"}, {class, "datetimepicker"}, {name, Name}] ++
          case get_form_param(Name) of
              undefined -> [];
  