Custom helper

Hi!
I have a model like this:

class Test1
  attr_accessor :counter

  def initialize
    @countter = 0
  end

      def increase
           @countter += 1
      end

end

A helper
module DiscsHelper

  def hidden_div_if(condition, attributes = {})
  if condition
    attributes["style" ] = "display: none"
  end
  attrs = tag_options(attributes.stringify_keys)
  "<div #{attrs}>"

  end

end

A view:
<!-- Begin div=test -->
      <% hidden_div_if(@test.counter > 0, :id => "test") %>
      <%= render(:partial => "test", :object => @test) %>
<!-- End div=test-->

The problem is that when y try to test it the HTML result is wrong,
it' not create the header of the dev test, what am i doing wrong?

<!-- Begin div=test -->

      test

</div>

<!-- End div=test-->

Salu2...

class Test1
        attr_accessor :counter

countter ?

        def initialize
                @countter = 0

counter ?

Sorry it's wrong in the email, but in the code it's countter..
Do you know what i'm doing wrong?

Salu2...