var READY_STATE_UNINITIALISED=0;
var READY_STATE_LOADING=1;
var READY_STATE_LOADED=2;
var READY_STATE_INTERACTIVE=3;
var READY_STATE_COMPLETE=4;

function sendRequest(url,params,http_method) {
	if (!http_method){
		http_method="GET";
	}
	
	var req = initXMLHttpRequest();
	if (req) {
		req.onreadystatechange=function(){handleAJAXResponse(req);};;
		req.open(http_method,url,true);
		
		if (window.ActiveXObject) {
		req.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		req.setRequestHeader("Pragma", "no-cache");
		req.setRequestHeader("Cache-Control", "must-revalidate");
		req.setRequestHeader("If-Modified-Since", document.lastModified);		
		}
		
		req.send(params);
	}
}

function initXMLHttpRequest() {
	var xRequest = null;
	
	if (window.XMLHttpRequest) {
		xRequest = new XMLHttpRequest();
	}else if (window.ActiveXObject) {
		xRequest = new ActiveXObject("Microsoft.XMLHTTP");
	}

	return xRequest;
}

function handleAJAXResponse(req) {
	var ready = req.readyState;
	if (ready == READY_STATE_COMPLETE) {
	//document.getElementById("infobox").style.visibility = 'visible';
	document.getElementById("memberinfotxt").innerHTML = req.responseText;
	openOverlay();	
	}
}
function closelayer()
{
document.getElementById("infobox").style.visibility = 'hidden';
}


function ajax_members(ajax_userID)
{
chartuserid = ajax_userID;
sendRequest("ajax_members.cfm?userID="+ajax_userID);
}