var image_count;
var current_image=0;


$(document).ready(function(){

  image_count = $("#sponsorLogos div").hide().size(); 
  $("#sponsorLogos div:eq("+current_image+")").show();
  setInterval(feature_rotate,5000); //time in milliseconds
});

function feature_rotate() {
  old_image = current_image%image_count;
  new_image = ++current_image%image_count;
  $("#sponsorLogos div:eq(" + new_image + ")").fadeIn("slow", function() {
    $("#sponsorLogos div:eq(" + old_image + ")").fadeOut("slow");
  });
}