$(document).ready(function(){
  initBanner();
});

function initBanner()
{
  // get banner container
  var banners = $("div.bannerWrapper div.banner div.bannerInner ul.banners");
  // get no. of banners
  var bannersTotal = $(banners).find("li").size();
  // rotate
  var current = 0;
  setInterval(function(){
    current == bannersTotal ? current = 1 : current++;
    $(banners).fadeOut(1000, function(){
      if(current == bannersTotal)
        $(banners).find("li.bannerActive").removeClass("bannerActive").parent().find("li:first").addClass("bannerActive");
      else
        $(banners).find("li.bannerActive").removeClass("bannerActive").next().addClass("bannerActive");
      $(banners).fadeIn(1000);
    });
  },6000);
} // initBanner