function random_banner(){
	
  var i=0;
  banners = new Array();
  banners[0] = '/sites/gr8choice/resources/09banner1.jpg';
  banners[1] = '/sites/gr8choice/resources/09banner2.jpg';
  today = new Date();
  i=today.getSeconds();
  n=banners.length;
  //return banners[i-Math.round((i-1)/n)*n];
  var banner = banners[i-Math.round((i-1)/n)*n];
  document.getElementById('pageBranding').style.backgroundImage = "url(banner)";
}