if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "slideshow/coldwellbanker.jpg";
      image_url[1] = "slideshow/mtdesales.jpg";
      image_url[2] = "slideshow/ribboncutting.jpg";
      image_url[3] = "slideshow/rollingroadclub.jpg";
      image_url[4] = "slideshow/july4faces.jpg";
      image_url[5] = "slideshow/fridays1.jpg";
      image_url[6] = "slideshow/oriole.jpg";
      image_url[7] = "slideshow/parktrail.jpg";
      image_url[8] = "slideshow/carshow.jpg";
      image_url[9] = "slideshow/bannakermuseum.jpg";
      image_url[10] = "slideshow/crabfeast.jpg";

       var i = 0;
       for(i=0; i<=3; i++) 
         preload_image_object.src = image_url[i];
    }