if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "/images/img_banner01_rev.png";
      image_url[1] = "/images/img_banner03_rev.png";
      image_url[2] = "/images/img_banner04_rev.png";
      image_url[3] = "/images/img_banner02.png";
      image_url[4] = "/images/img_banner05_rev.png"
	  image_url[5] = "/images/img_banner06_rev.png"
	  image_url[6] = "/images/img_banner07.png"
	  image_url[7] = "/images/img_banner08_rev.png"
 
       var i = 0;
       for(i=0; i<=434; i++) 
         preload_image_object.src = image_url[i];
    }