function calendario(valor){

var url = "_ajax/calendario.php?"+valor;


xmlRequest.onreadystatechange = mudancaEstado;

xmlRequest.open("GET",url,true);

xmlRequest.send(null);


/*if (xmlRequest.readyState == 1) {

document.getElementById("calendario_mostrar").innerHTML = "carregando...";

}*/


return url;

}


function mudancaEstado(){

if (xmlRequest.readyState == 4){

document.getElementById("calendario_mostrar").innerHTML = xmlRequest.responseText;

}

}