// reload ad
function refreshAd(ad) {
	if (typeof bannerUrl == 'undefined') {
		bannerUrl = document.getElementById(ad).src;
	}
	rnd++;  //increment the random number
	document.getElementById(ad).src = bannerUrl;
}

function refreshBanner2Ad() {
	refreshAd('banner2');
	window.setTimeout("refreshBanner2Ad()", 20000);
}
window.setTimeout("refreshBanner2Ad()", 20000);