change
Code
ads[0] = "banners/banner01.jpg";
ads[1] = "banners/banner02.jpg";
ads[2] = "banners/banner03.jpg";
ads[3] = "banners/banner04.jpg";
ads[4] = "banners/banner05.jpg";
ads[5] = "banners/banner06.jpg";
to

Code
ads[0] = "/banners/banner01.jpg";
ads[1] = "/banners/banner02.jpg";
ads[2] = "/banners/banner03.jpg";
ads[3] = "/banners/banner04.jpg";
ads[4] = "/banners/banner05.jpg";
ads[5] = "/banners/banner06.jpg";