function getXMLHTTPRequest(){
	try {
		req = new XMLHttpRequest();
	} catch(err1){
		try {
			req = new ActiveXObject("Msxm12.XMLHTTP");
		} catch(err2){
			try{
				req = new ActiveXObject("Microsoft.XMLHTTP");
			} catch(err3){
				req = false;
			}
		}
	}
	return req;
}
var http = getXMLHTTPRequest();
function getPage(url){
	http.open("GET", url, true);
	http.onreadystatechange = useHttpResponse;
	http.send(null);
	return false;
}
function useHttpResponse() {
	if (http.readyState == 4) {
		if (http.status == 200) {
			var page = http.responseText;
//			var newPage = page.getElementById('contentarea');
			document.getElementById('contentarea').innerHTML = page;
//			document.getElementById('waiting').innerHTML = '';
		}
	}/* else {
		document.getElementById('contentarea').innerHTML = 'Loading...';
		document.getElementById('contentarea').innerHTML = url;
	}*/
}