function imageActive(nbsl){
     var tabImagesOff = ["/images/en/afd-off.gif","/images/en/chiffres-off.gif","/images/en/solutions-off.gif","/images/en/confiance-off.gif"];
     var tabImagesOn = ["/images/en/afd-on.gif","/images/en/chiffres-on.gif","/images/en/solutions-on.gif","/images/en/confiance-on.gif"];
     
     for (i=0;i<=3;i++)
     {
      $('#sl'+i).attr("src",tabImagesOff[i]);
     }     
     $('#sl'+nbsl).attr("src",tabImagesOn[nbsl]);
     
  }

  $(document).ready(function(){        
		var slider = $('#slider').bxSlider({
        controls: false,
        auto: true,
		    auto_interval: 8000,
		    onAfterSlide: function(currentSlide, totalSlides){
           imageActive(currentSlide);
        }  
    });

    $('#nav1').click(function(){
            imageActive(0);
            slider.goToSlide(0);
            return false;
    });
    
    $('#nav2').click(function(){
        imageActive(1);
        slider.goToSlide(1);
        return false;
    });
    
    $('#nav3').click(function(){
        imageActive(2);
        slider.goToSlide(2);
        return false;
    });
    
    $('#nav4').click(function(){
        imageActive(3);
        slider.goToSlide(3);
        return false;
    });

    $('.thumbs a').click(function(){
        var thumbIndex = $('.thumbs a').index(this);
        slider.goToSlide(thumbIndex);
        $('.thumbs a').removeClass('pager-active');
        $(this).addClass('pager-active');
        return false;
    });
    
    $('.thumbs a:first').addClass('pager-active');

				
  });