// JavaScript Document
var rotateBanner = function() {
    var banner = $("#rd1topnav");
    var images = ["http://planetauto.biz/images/rndcars/top_cars1.png", "http://planetauto.biz/images/rndcars/top_cars2.png", "http://planetauto.biz/images/rndcars/top_cars3.png", "http://planetauto.biz/images/rndcars/top_cars4.png", "http://planetauto.biz/images/rndcars/top_cars5.png"];
    
    var r = Math.floor(Math.random() * (images.length + 1));
    banner.attr('src', images[r]);
}
$(document).ready(function() {
    setInterval("rotateBanner()", 5000);
});