var home1 = "/wp-content/themes/portlandfp/images/nav_home.gif";
   var home2 = "/wp-content/themes/portlandfp/images/nav_home2.gif";

   var about_me1 = "/wp-content/themes/portlandfp/images/nav_about_me.gif";
   var about_me2 = "/wp-content/themes/portlandfp/images/nav_about_me2.gif";

   var my_practice1 = "/wp-content/themes/portlandfp/images/nav_my_practice.gif";
   var my_practice2 = "/wp-content/themes/portlandfp/images/nav_my_practice2.gif";

   var for_families1 = "/wp-content/themes/portlandfp/images/nav_for_families.gif";
   var for_families2 = "/wp-content/themes/portlandfp/images/nav_for_families2.gif";

   var for_individuals1 = "/wp-content/themes/portlandfp/images/nav_for_individuals.gif";
   var for_individuals2 = "/wp-content/themes/portlandfp/images/nav_for_individuals2.gif";

   var for_adolescents1 = "/wp-content/themes/portlandfp/images/nav_for_adolescents.gif";
   var for_adolescents2 = "/wp-content/themes/portlandfp/images/nav_for_adolescents2.gif";

   var forms1 = "/wp-content/themes/portlandfp/images/nav_forms.gif";
   var forms2 = "/wp-content/themes/portlandfp/images/nav_forms2.gif";

   var resources1 = "/wp-content/themes/portlandfp/images/nav_resources.gif";
   var resources2 = "/wp-content/themes/portlandfp/images/nav_resources2.gif";

   var web1 = "/wp-content/themes/portlandfp/images/nav_web.gif";
   var web2 = "/wp-content/themes/portlandfp/images/nav_web2.gif";

   var books1 = "/wp-content/themes/portlandfp/images/nav_books.gif";
   var books2 = "/wp-content/themes/portlandfp/images/nav_books2.gif";

   var agencies1 = "/wp-content/themes/portlandfp/images/nav_agencies.gif";
   var agencies2 = "/wp-content/themes/portlandfp/images/nav_agencies2.gif";

   var articles1 = "/wp-content/themes/portlandfp/images/nav_articles.gif";
   var articles2 = "/wp-content/themes/portlandfp/images/nav_articles2.gif";

   var fees1 = "/wp-content/themes/portlandfp/images/nav_fees.gif";
   var fees2 = "/wp-content/themes/portlandfp/images/nav_fees2.gif";

   var news1 = "/wp-content/themes/portlandfp/images/nav_news.gif";
   var news2 = "/wp-content/themes/portlandfp/images/nav_news2.gif";
    
    if (document.images)
    {
      preload_image_object = new Image();
      // set image url
      image_url = new Array();
      image_url[0] = home2; 
      image_url[1] = about_me2;
      image_url[2] = my_practice2; 
      image_url[3] = for_families2;
      image_url[4] = for_individuals2;
      image_url[5] = for_adolescents2;
      image_url[6] = forms2;
      image_url[7] = resources2;
      image_url[8] = web2;                         
      image_url[9] = books2;
    	image_url[10] = agencies2;
      image_url[11] = articles2;
      image_url[12] = fees2;
      image_url[13] = news2;
      
       var i = 0;
       for(i=0; i<=13; i++) 
         preload_image_object.src = image_url[i];
    }