var xmlhttp_ = new XMLHttpRequest();
var d = document;

function validateCallback() {  
	if (xmlhttp_.readyState == 4){
		if (xmlhttp_.status == 200) {
			var mdiv = d.getElementById("infouser");
		    mdiv.className = "submenu";
			var ent = xmlhttp_.responseText;
			if (ent != 'nulo') {
				var t = ent.substring(1, ent.length - 1);
				var m = t.split(/\},\{/);
				for (var i = 0; i < m.length; i++) {
					var n = m[i].split(/,/);
					d.images["img"].src = "/retornaImagem.php?img="+n[4]; 
					d.getElementById("nomeUser").innerHTML = n[0];
					d.getElementById("nascimentoUser").innerHTML = "Aniversário: "+n[5];
					d.getElementById("emailUser").innerHTML = n[1];
					d.getElementById("downUser").innerHTML = "Recebido(s): "+n[2]+" | "+"Enviado(s): "+n[3];
				}
			} else {
				d.getElementById('infouser').className = "submenu";
				d.getElementById('infouser').innerHTML = '<p>Usuário não Encontrado!</p>';
			}
		}
	}
}

function menu(n){
	if(n != ''){
		if (xmlhttp_) {
				xmlhttp_.open("GET", "/ajax/retornaInfoUser.php?id="+ encodeURIComponent(n), true);
				xmlhttp_.onreadystatechange = validateCallback;
				xmlhttp_.send(null);
		}
	}else{
			d.getElementById('infouser').className = "hidden";			
	}
}