if (document.images) {
  preload_image_object = new Image();
  // set image url
  image_url = new Array();
  image_url[0] = "/images/dandelion/int_head.jpg";
  image_url[1] = "/images/dandelion/int_nav_left.png";
  image_url[2] = "/images/dandelion/int_nav_mid.png";
  image_url[3] = "/images/dandelion/int_nav_right.png";
  image_url[4] = "/images/dandelion/left_menu_top.png";
  image_url[5] = "/images/dandelion/left_menu_bot.png";
  image_url[6] = "/images/dandelion/cat_module_top.png";
  image_url[7] = "/images/dandelion/cat_mid.png";
  image_url[8] = "/images/dandelion/cat_bot.png";
  image_url[9] = "/images/dandelion/lg_out.png";
  image_url[10] = "/images/dandelion/footer_pic.jpg";
  image_url[11] = "/images/dandelion/bottom_curve.gif";
  image_url[12] = "/images/radiobutton.png";
  image_url[13] = "/images/radio_btn_active.png";


  for(var i=0; i<image_url.length; i++) {
    preload_image_object.src = image_url[i];
  }
}