var adrf_count = new Array();
	 	 adrf_count["header-banner"] = 0;
		 adrf_count["ad-mpu"] = 0;
	    adrf_count["ad-tower"] = 0;

	var adrf_rotations = 3;
	var adrf_cycle = 75000; //1000 = 1 second - set to 75 seconds

	if(document.getElementById('header-banner')) setTimeout("adrf_ad('header-banner','" + ifrbanner + "','" + ad_rf_banner + "')", adrf_cycle);
	if(document.getElementById('ad-mpu')) setTimeout("adrf_ad('ad-mpu','" + ifrmpu + "','" + ad_rf_mpu + "')", adrf_cycle);
	if(document.getElementById('ad-tower')) setTimeout("adrf_ad('ad-tower','" + ifrtower + "','" + ad_rf_tower + "')", adrf_cycle);

	function adrf_ad(id, ifr, advar) {
		adrf_count[id] = adrf_count[id] + 1;

		if(adrf_count[id] < adrf_rotations && advar != 0) {
			setTimeout("adrf_ad('" + id + "','" + ifr + "','" + advar + "')", adrf_cycle);
			// FIND site=vm
			strloc = ifr.indexOf("site=vm");
			strlen = ifr.length;
			strstart = ifr.substr(0, strloc);
			strend = ifr.substr(strloc, strlen);
			// prepend with refresh=adrf_count
			ifr = strstart + "refresh="+adrf_count[id]+"&amp;" + strend;
			//alert(id + " : " + advar + "\n\n" + ifr);
			id = document.getElementById(id);
			id.innerHTML = ifr;
		}
	}