Pfeile statt Zahlen in einem Slider

jQuery(document).ready(function($){
    var sliderContainers = $('.cd-slider-wrapper');


    if( sliderContainers.length > 0 ) initBlockSlider(sliderContainers);


    function initBlockSlider(sliderContainers) {
        sliderContainers.each(function(){
            var sliderContainer = $(this),
                slides = sliderContainer.children('.cd-slider').children('li'),
                sliderPagination = createSliderPagination(sliderContainer);


            sliderPagination.on('click', function(event){
                event.preventDefault();
                var selected = $(this),
                    index = selected.index();
                updateSlider(index, sliderPagination, slides);
            });


            sliderContainer.on('swipeleft', function(){
                var bool = enableSwipe(sliderContainer),
                    visibleSlide = sliderContainer.find('.is-visible').last(),
                    visibleSlideIndex = visibleSlide.index();
                if(!visibleSlide.is(':last-child') && bool) {updateSlider(visibleSlideIndex +  1, sliderPagination, slides);}
            });


            sliderContainer.on('swiperight', function(){
                var bool = enableSwipe(sliderContainer),
                    visibleSlide = sliderContainer.find('.is-visible').last(),
                    visibleSlideIndex = visibleSlide.index();
                if(!visibleSlide.is(':first-child') && bool) {updateSlider(visibleSlideIndex - 1, sliderPagination, slides);}
            });
        });
    }


    function createSliderPagination(container){
        var wrapper = $('<ol class="cd-slider-navigation"></ol>');
        container.children('.cd-slider').find('li').each(function(index){
            var dotWrapper = (index == 0) ? $('<li class="selected"></li>') : $('<li></li>'),
                dot = $('<a href="#0"></a>').appendTo(dotWrapper);
            dotWrapper.appendTo(wrapper);
            var dotText = ( index+1 < 10 ) ? '0'+ (index+1) : index+1;
            dot.text(dotText);
        });
        wrapper.appendTo(container);
        return wrapper.children('li');
    }


    function updateSlider(n, navigation, slides) {
        navigation.removeClass('selected').eq(n).addClass('selected');
        slides.eq(n).addClass('is-visible').removeClass('covered').prevAll('li').addClass('is-visible covered').end().nextAll('li').removeClass('is-visible covered');


        //fixes a bug on Firefox with ul.cd-slider-navigation z-index
        navigation.parent('ul').addClass('slider-animating').on('webkitTransitionEnd otransitionend oTransitionEnd msTransitionEnd transitionend', function(){
            $(this).removeClass('slider-animating');
        });
    }


    function enableSwipe(container) {
        return ( container.parents('.touch').length > 0 );
    }
});

<div class="cd-slider-wrapper">
    <ul class="cd-slider">
      <li class="is-visible">
        <div class="cd-half-block image"></div>


        <div class="cd-half-block content">
          <div>
            <h2>Vincent Späts</h2><br>
            <p>Alter: 28</p>
            <p>
              Beruf: Reisebüroangestellter
            </p><br>
            <p>Vincent Späts ist ein leidenschaftlicher Leser und hat sich hoffnungslos in die Roman-Heldin "Emma Cooper" verliebt. Um dem Alltagstrott zwischen rassistischen Kunden im Reisebüro und unangenehmen Partygesprächen zu entkommen, engagiert er bei einer dubiosen Agentur ein Double der fiktiven Detektivin... </p>

          </div>
        </div>
      </li> <!-- .cd-half-block.content -->


      <li>
        <div class="cd-half-block image"></div>


        <div class="cd-half-block content light-bg">
          <div>
            <h2>Robin Czerny</h2><br>
            <a href="http://www.robinczerny.de/">www.robinczerny.de</a><br><br>


            <p>
              Jahrgang 1983
            </p>
            <p>SoKo Stuttgart (2015)</p>
<p>Detox (2014)</p>
          </div>
        </div> <!-- .cd-half-block.content -->
      </li>


    


      
    </ul> <!-- .cd-slider -->
  </div> <!-- .cd-slider-wrapper -->