var req;
var cp;
function loadXMLDoc(url){
 req = null;

if (window.XMLHttpRequest) {
 req = new XMLHttpRequest();
 req.onreadystatechange = processReqChange;
 req.open("GET", url, true); 
 req.send(null);

} else if (window.ActiveXObject) {
	try {
		req = new ActiveXObject("Msxml2.XMLHTTP.4.0");
		} catch(e) {
			try {
				req = new ActiveXObject("Msxml2.XMLHTTP.3.0");
				} catch(e) {
					try {
						req = new ActiveXObject("Msxml2.XMLHTTP");
					} catch(e) {
							try {
							req = new ActiveXObject("Microsoft.XMLHTTP");
						} catch(e) {
							req = false;
						}
					}
				}
		}
		if (req) {
		 req.onreadystatechange = processReqChange;
		 req.open("GET", url, true);
		 req.send();
		}
	}
}


function processReqChange(){
	if (cp == '1') {
		if (req.readyState == 1 ) {
			document.getElementById("atualiza").innerHTML = "carregando...";
		}
		if (req.readyState == 4) {
			if (req.status == 200) {
		
				document.getElementById("atualiza").innerHTML = req.responseText;
			} else {
				alert("Houve um problema ao obter os dados:\n" + req.statusText);
			}
		}
	}
}


function atualiza(valor){
	cp = '1';
	loadXMLDoc("guias.php?ID="+valor);
}