jQuery(document).ready(function(){

  function feature_show_image(id){
    $('#feature-thumbnails li.current').removeClass('current');
    var src = $('#feature-thumbnails li:nth-child('+ id +')')
      .addClass('current')
      .find('a').attr('href');
    $('#feature-show img').attr('src', src);
    $('#feature-show a').attr('href', src);
  }

  $('#feature-thumbnails a').click(function(){
    feature_show_image($(this).parent().index() + 1);

    return false;
  });

  $('#feature-button_next').click(function(){
    var next = 1;
    var current = $('#feature-thumbnails li.current').index() + 1;

    next = current + 1;
    if(next > $('#feature-thumbnails li').length){
      next = 1;
    }
    feature_show_image(next);

    return false;
  });

});