function devolveRq() {
	try {
		rq = new XMLHttpRequest();
	}
	catch(erro1) {
		try {
			rq = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(erro2) {
			try {
				rq = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch(erro3) {
				window.alert('Seu navegador não tem suporte a Ajax');
				rq = false;
			}
		}
	}
	return rq;
}
var ajax = devolveRq();

function showEvento(dia, mes, ano) {
	day = dia;
	month = mes;
	year = ano;
	var rand = parseInt(Math.random()*999999999999);
	var url = "agenda/eventos.php?r="+rand+"&day="+day+"&month="+month+"&year="+year;
	ajax.open("GET", url, true);
	ajax.onreadystatechange = RespostaEventos;
	ajax.send(null);
}

function mostrarEvento(dia, mes, ano) {
	day = dia;
	month = mes;
	year = ano;
	var rand = parseInt(Math.random()*999999999999);
	var url = "visao/eventos.php?r="+rand+"&day="+day+"&month="+month+"&year="+year;
	ajax.open("GET", url, true);
	ajax.onreadystatechange = RespostaEventos;
	ajax.send(null);
}

function RespostaEventos() {
	if(ajax.readyState == 4) {
		if(ajax.status == 200) {
			var Resp = ajax.responseText;
			document.getElementById("agenda").innerHTML = Resp;
		} else {
			window.alert('ERRO: '+ ajax.statusText);
		}
	} else {
		document.getElementById("agenda").innerHTML = "<div style='text-align:center;font-size:10px;font-weight:bold;'><img src='images/loading.gif' alt='' border='0' width='50' height='50' /><p>Carregando...</p></div>";
	}
}