var page = "/now_playing/last10_played_refresh.php";
function ajax(url,target)
 {
    // native XMLHttpRequest object
   document.getElementById(target).innerHTML = '';
   if (window.XMLHttpRequest) {
       req = new XMLHttpRequest();
       req.onreadystatechange = function() {ajaxDone(target);};
       req.open("GET", url, true);
       req.send(null);
   // IE/Windows ActiveX version
   } else if (window.ActiveXObject) {
       req = new ActiveXObject("Microsoft.XMLHTTP");
       if (req) {
           req.onreadystatechange = function() {ajaxDone(target);};
           req.open("GET", url, true);
           req.send();
       }
   }
	setTimeout("ajax(page,'lastplayed')", 30000);
}

function ajaxDone(target) {
// only if req is "loaded"
	if (req.readyState == 4) {
	// only if "OK"
		if (req.status == 200 || req.status == 304) {
			results = req.responseText;
			document.getElementById(target).innerHTML = results;
		} else {
			document.getElementById(target).innerHTML="ajax error:\n" +
			req.statusText;
		}
	}
}