var n = 1;
var images = 2;
function slider() {
  setInterval('rotate()', 10000);
}
function rotate() {
  n++;
  if (n > images) {
    n = 1;
  }
  $('#home-section').removeClass();
  $('#home-section').animate({
     opacity: 0.25
   }, 600, function(){
     $(this).addClass('image-'+n);
     $(this).animate({
       opacity: 1
     }, 600);
   });
}
$(document).ready(function(){
    $.preloadCssImages();
    slider();
});