if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "http://files.apts247.com/files/corporate/000/000/002/42/gateway/images/state_links/state_links_o_01.jpg";
      image_url[1] = "http://files.apts247.com/files/corporate/000/000/002/42/gateway/images/state_links/state_links_o_02.jpg";
      image_url[2] = "http://files.apts247.com/files/corporate/000/000/002/42/gateway/images/state_links/state_links_o_03.jpg";
      image_url[3] = "http://files.apts247.com/files/corporate/000/000/002/42/gateway/images/state_links/state_links_o_04.jpg";
			image_url[4] = "http://files.apts247.com/files/corporate/000/000/002/42/gateway/images/state_links/state_links_o_05.jpg";
			image_url[5] = "http://files.apts247.com/files/corporate/000/000/002/42/gateway/images/state_links/state_links_o_06.jpg";
			image_url[6] = "http://files.apts247.com/files/corporate/000/000/002/42/gateway/images/state_links/state_links_o_07.jpg";

       var i = 0;
       for(i=0; i<=6; i++) 
         preload_image_object.src = image_url[i];
    }