http = getXMLHTTPRequest();


function verdetalle(cat){
	var myurl = 'data.php';
	myRand = parseInt(Math.random()*999999999999999);
	var modurl = myurl + "?cat=" + cat+ "&rand=" + myRand;
	http.open("GET", modurl, true);
	http.onreadystatechange = useHTTPResponse2;
	http.send(null);
}

function useHTTPResponse2() {
	if (http.readyState == 4) {
		if(http.status == 200) {
			var miTexto = http.responseText;
			document.getElementById('reserva').innerHTML = (miTexto);
		}
	} else {
		document.getElementById('reserva').innerHTML = '<img src="loading.gif">';
	}
}