//AJAX
var xmlHttp;
var xmlHttpResponseID;

//create XMLHttpRequest object
function createXMLHttpRequest(){
	if (window.XMLHttpRequest){
		xmlHttp = new XMLHttpRequest();
	}else if (window.ActiveXObject){
		xmlHttp = new ActiveXObject('Msxml2.XMLHTTP');
		if (! xmlHttp){
			xmlHttp = new ActiveXObject('Microsoft.XMLHTTP');
		}
	}
}

//XMLHttpRequest event handler
function XMLHttpResponse(){
	if (xmlHttp.readyState == 4 || xmlHttp.readyState=='complete'){
		if (xmlHttp.status == 200){
			xmlHttpResponseID.innerHTML = xmlHttp.responseText;
		}else {
			xmlHttpResponseID.innerHTML = '<strong>Error connecting to server</strong>';
		}

	}
}

//Get AJAX data
function getAjaxData(url, elementID){
	xmlHttpResponseID = document.getElementById(elementID);
	xmlHttpResponseID.innerHTML = '';
	createXMLHttpRequest();
	xmlHttp.onreadystatechange = XMLHttpResponse;
	xmlHttp.open("GET", url, true);
	xmlHttp.send(null);
}