// muestra un popup para cada elemento del calendario en la homepage.

function display_current_section(section) {
    if (section != '') {
        menu_sec = document.getElementById[section];
        alert(menu_sec);
    }
}
function createRequest() {
    // obtiene un objeto XMLHTTPRequest para uso de AJAX
    try {
        request = new XMLHttpRequest();
    } catch (tryMS) {
        try {
            request = new ActiveXObject('Msxml2.XMLHTTP');
        } catch (otherMS) {
            try {
                request = new ActiveXObject('Microsoft.XMLHTTP');
            } catch (failed) {
                request = null;
            }
        }
    }
    return request;
}

/*
function getHorario(dia, mes) {
    request = createRequest();
    if (request == null) {
        return;
    }
    var url = "get_horario.php?dia=" + escape(dia) + "&mes=" + escape(mes);
    request.open("GET", url, true);
    request.onreadystatechange = showHorario;
    request.send(null);
}*/

function getHorario(dia, mes, anio) {
    request = createRequest();
    if (request == null) {
        return;
    }
    var url = "get_horario.php?dia=" + escape(dia) + "&mes=" + escape(mes)+ "&anio=" + escape(anio);
    request.open("GET", url, true);
    request.onreadystatechange = showHorario;
    request.send(null);
}

function showHorario() {
    if (request.readyState == 4) {
        if (request.status == 200) {
            divHorario = document.getElementById('horario_dia');
            divHorario.innerHTML = request.responseText;
            divHorario.style.display = 'block';
            //divHorario.style.display = 'true';
        }
    }
}

function getMes(mes) {
    request = createRequest();
    if(request == null) {
        return;
    }
    var url = "calendario_home.php?mes=" + mes;
    request.open("GET", url, true);
    request.onreadystatechange = showMes;
    request.send(null);
}

function showMes() {
    if (request.readyState == 4) {
        if (request.status == 200) {
            divMes = document.getElementById('calendar_home');
            divMes.innerHTML = request.responseText;
        }
    }
}