function randomHeader () {
   $.ajax({
      url: "http://www.chimneyspecialistsinc.com/wp/wp-content/themes/chimneySpecialists/random.txt",
      cache: false,
      success: function(html) {
         var img = html.split("\n");
         var r = Math.floor(Math.random() * img.length);
         var url = 'http://www.chimneyspecialistsinc.com/wp/wp-content/themes/chimneySpecialists/random/' + img[r];
         $("#banner").empty();
         $("#banner").append('<img src="' + url + '" alt="Welcome to Chimney Specialists" width="740" height="200" />');
         $("#banner img").hide();
         $("#banner img").fadeIn('slow', function(){
            $("#banner").css("background", "transparent url(" + url + ") no-repeat");
         });
      }
   });
}