function update_info() {
	var request = GXmlHttp.create();
	request.open("GET", summaryXML, true);
	request.onreadystatechange = function() {
		if (request.readyState == 4) {
			var xmlDoc = GXml.parse(request.responseText);
			var uptimes = xmlDoc.documentElement.getElementsByTagName("uptime");
			lastdate = uptimes[0].getAttribute("upday");
			var lasttrem = uptimes[0].getAttribute("lasttrem");
			document.getElementById("day").value = lastdate;
			var uploadtime = new Date(uptimes[0].getAttribute("uptime"));
			var currenttime = new Date();
			var t = (currenttime.getTime()-uploadtime.getTime())/1000;
			var DAYS=Math.floor(t/86400);
			var HOURS=Math.round(((t-DAYS*86400)/3600)*10)/10;
			document.getElementById("current").innerHTML='Updated: ' + HOURS + ' hours ago';
			document.getElementById("lasttrem").innerHTML='Last activity: <a class="last" href="javascript:lastest_TREM(\''+lasttrem+'\')">'+lasttrem+'</a>';
			updateDates();
		}
	}
	request.send(null);
}

function lastest_TREM(lasttrem) {
	if (document.getElementById("range").checked==true) {
		document.getElementById("oneday").checked=true;
		getRange();
	}
	document.getElementById("day").value=lasttrem;
	updateDates();
}