function redirect(url)
{
  top.location.href = url;
}
var req='';
var d_id;

function loadXMLDoc(url) {
    try{
        req = new XMLHttpRequest();
        req.onreadystatechange = processReqChange;
        req.open("GET", url, true);
        req.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
        req.send(null);
    }catch(e){
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req) {
            req.onreadystatechange = processReqChange;
            req.open("GET", url, true);
            req.setRequestHeader("If-Modified-Since", "Sat, 1 Jan 2000 00:00:00 GMT");
            req.send();
        }
    }
}
function processReqChange()
{
    if (req.readyState == 4) {
        if (req.status == 200) {
          response = req.responseXML.documentElement;

          result = response.getElementsByTagName('result')[0].firstChild.data;
          msg = document.getElementById('r'+d_id);
          if (result == '1'){
            msg.innerHTML = 'Голос учтен!';
          }else{
            msg.innerHTML = 'Ошибка :/';
          }
        } else {
            alert("There was a problem retrieving the XML data:\n" + req.statusText);
        };
    }
}

function rate(id, r, t)
{
    d_id = id;
    url = 'http://' + location.hostname + '/ajax/rateup.php?id='+id+'&r='+r+'&t='+t;
    loadXMLDoc(url);
}