function vote(v)
    {
    if(v==1)
        {
        ans=1;
        }
    else
        {
        ans=0;
        }
    var url = '/info/poleznosti/test/ajax.php?vote='+ans;
    if (window.XMLHttpRequest)
        {
        req = new XMLHttpRequest();
        req.onreadystatechange = processReqChange;
        req.open("GET", url, true);
        req.send(null);
        }
    else if (window.ActiveXObject)
        {
        req = new ActiveXObject("Microsoft.XMLHTTP");
        if (req)
            {
            req.onreadystatechange = processReqChange;
            req.open("GET", url, true);
            req.send();
            }
        }
    }
function processReqChange()
     {
     if (req.readyState == 4)
         {
         if (req.status == 200)
             {
             if(req.responseText!='')
                {
                document.getElementById('qu').innerHTML=req.responseText;
                }
             }
         else
             {
             alert("Не удалось получить данные:\n" +req.statusText);
             }
         }
     }