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      var field_name=$('input.pollfield-more-choice-button').attr('name');

      var number_of_choices = 0;

      $('.' + field_name + '-pollfield-choices').each(function(){

        number_of_choices++;

      });

      console.log(number_of_choices);

      $('input.pollfield-more-choice-button').click(function(event){

        var field_name=$(this).attr('name');

        var number_of_choices = 0;

        $('.' + field_name + '-pollfield-choices').each(function(){

          number_of_choices++;

        });

        var choice_id = new String;

        choice_id = field_name + '-0';

        var choice = $('#' + choice_id);

        var new_choice = choice.clone();

        new_choice.children().children().children('input').val('');

        new_choice.attr('id', field_name + '-' + number_of_choices);

        // Change input name.

        new_choice.children().children().children('input').each(function() {

          var name=String;

            name = $(this).attr('name');

            var new_name=name.replace('[group][0]', '[group][' + number_of_choices + ']');

            $(this).attr('name', new_name);

            var id = String;

            id = $(this).attr('id');

            var new_id = id.replace('group-0', 'group-' + number_of_choices);

            $(this).attr('id', new_id);

        })

        //change label for

        new_choice.children().children().children('label').each(function() {

          var for_name=String;

          for_name = $(this).attr('for');

            var new_for_name = for_name.replace('group-0', 'group-' + number_of_choices);

            $(this).attr('for', new_for_name);

        });

        number_of_choices++;

        new_choice.children().children().children('em').text(number_of_choices);

        $(this).before(new_choice);

        event.preventDefault();

      })

})(jQuery);