var ditto_fp_index = 0;
var ditto_fp_images = new Array();
ditto_fp_images.push('/sites/all/themes/echoditto/images/bg_home1.jpg');
ditto_fp_images.push('/sites/all/themes/echoditto/images/bg_home2.jpg');
ditto_fp_images.push('/files/images/bg_home_iava.jpg');

$(function()
{
   window.setInterval(function(){
       ditto_fp_index = ((ditto_fp_index + 1) % ditto_fp_images.length);
       $('div#content div#homebg3').css('background-image','url(' + ditto_fp_images[ditto_fp_index] + ')');       
   }, 30000); 
});