var xmlHttp

function changeDiv(url, targetdiv) {
	xmlHttp=GetXmlHttpObject()
	if (xmlHttp==null) {
		alert ("Browser does not support HTTP Request")
		return
	}
	var url=url+"&sid="+Math.random()

	xmlHttp.onreadystatechange=stateChanged()
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)
}

function stateChanged() {
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete") {
		document.getElementById('countydiv').innerHTML=xmlHttp.responseText
	}
}

function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	} catch (e) {
		//Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}