if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = "http://www.exhibitioncompany.com/e107_themes/tectheme2/images/_mouseover/website_15.png";
      image_url[1] = "http://www.exhibitioncompany.com/e107_themes/tectheme2/images/_mouseover/website_16.png";
      image_url[2] = "http://www.exhibitioncompany.com/e107_themes/tectheme2/images/_mouseover/website_17.png";
      image_url[3] = "http://www.exhibitioncompany.com/e107_plugins/fbox/templates/tmpl_images/Cognos-Educatiedag-poster%20kopie.jpg";
      image_url[4] = "http://www.exhibitioncompany.com/e107_themes/tectheme2/images/website_15.png";
      image_url[5] = "http://www.exhibitioncompany.com/e107_themes/tectheme2/images/idee.png";
      image_url[6] = "http://www.exhibitioncompany.com/e107_themes/tectheme2/images/idee_mouseover.png";
      image_url[7] = "http://www.exhibitioncompany.com/e107_themes/tectheme2/images/website_17.png.png";

      

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

    //-->