var req;

function ajaxProcess()
{
  if (req.readyState == 4)
  {
    contentDiv = document.getElementById('rateitbox');
    if (req.status == 200)
    {
      contentDiv.innerHTML = '<center class="news_text_med">Дякуємо, Вашу оцiнку враховано.</center>';
    }
    if (req.status != 200)
    {
      contentDiv.innerHTML = '<center class="news_text_med">Помилка.</center>';
    }
  }
}

function addrate(mark)
{
  nid=document.forms['rateit']['nid'].value;
  cat=document.forms['rateit']['cat'].value;
  var str;
  var url="http://nt.ck.ua/include/rateit.php";
  str = "?cat="+cat+"&nid="+nid+"&mark="+mark;
  if(window.XMLHttpRequest)
  {
    req=new XMLHttpRequest();
  }
  else if(window.ActiveXObject)
  {
    req=new ActiveXObject("Microsoft.XMLHTTP");
  }
  if (req)
  {
    contentDiv = document.getElementById('rateitbox');
    contentDiv.innerHTML = '<center><img src="/i/ajax-loader.gif" alt="Loading..." title="Loading..." style="border: #9CA2AD solid; background-color: #FFFFFF; border-width: 1px 1px 1px 1px; "></center>';
    req.onreadystatechange=ajaxProcess;
    req.open("GET", url+str, true);
    req.send(null);
  }
}