function getMore() {

	//alert('getMore');
	var url = "/tagserve";
	if (typeof XMLHttpRequest != "undefined") {
		req = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
	}
	req.open("GET", url, true);
	req.onreadystatechange = updatePage;
	req.send(null);
   
}

function updatePage() {
	
	//alert('req.readyState='+req.readyState+' and req.status'+req.status);
    if (req.readyState == 4) {
        if (req.status == 200) {
			var message = req.responseText;
			//alert(message);
			setMessage(message);
        }
    }
}

function setMessage(message) {
	//
	//alert('setMessage');
	var tagdiv = document.getElementById("tagdiv");
	//alert(tagdiv);
	tagdiv.innerHTML = message;
}