jQuery( function($) {
  $(window).load(function() {
      // Slider options
      $("#product_intro_preview").slides({
        preloadImage: '',
        slideSpeed: 800,
        next: 's_button_next',
        prev: 's_button_prev',
        play: 5000,
        generatePagination: false,
        animationStart: function() {
          $("#product_intro_info > div:visible").fadeOut('slow');
        },
        animationComplete: function(current) {
          var number = $("#product_intro_preview div.slideItem").index($("#product_intro_preview div.slideItem:visible"));
          $("#product_intro_info > div").eq(number).fadeIn();
        }
      });

      // Next/Prev buttons hover effect
      $("#intro .s_button_prev, #intro .s_button_next").hover(
        function() {
          $(this).stop().animate({
              backgroundColor: $("#secondary_color").val()
            },300
          );
        }
        ,
        function() {
          $(this).stop().animate({
              backgroundColor: $("#main_color").val()
            },300
          );
        }
      );
  });
});