function mspoll_poll(pollitemid) {
    if (!msajax_send_xmlhttprequest(mspoll_responder, 'GET', 'class/ajax.bezeckaskola.cz.mspoll.php?mspoll=' + pollitemid)) {
        return false;
    }

    document.getElementById('mspolltdresult' + pollitemid).innerHTML++;

    // delete anchor
    for (var key in document.getElementById('mspolltable').getElementsByTagName('td')) {
        var val = document.getElementById('mspolltable').getElementsByTagName('td')[key];
        if (val.className == 'mspolltdoption') val.innerHTML = val.firstChild.innerHTML;
    }

    document.getElementById('mspollresult').innerHTML = "<img src='img/loading.gif' width='32px' height='32px' title='Požadavek se zpracovává' alt='Požadavek se zpracovává' />";
    return true;
}

function mspoll_responder(xmlhttp) {
    if (xmlhttp.readyState == 4) {
        var results = xmlhttp.responseXML.getElementsByTagName('result');
        for (var i=0; i < results.length; i++) {
            document.getElementById(results[i].getAttribute('id')).innerHTML = results[i].firstChild.data;
        }
        var resulttext = xmlhttp.responseXML.getElementsByTagName('resulttext')[0];
        document.getElementById('mspollresult').innerHTML = '<p>' + resulttext.firstChild.data + '</p>';
    }
}