var req;
var reqTimeout;
 
function loadXMLDoc(url, params) {
    req = null;
    if (window.XMLHttpRequest) {
        try {
            req = new XMLHttpRequest();
        } catch (e){}
    } else if (window.ActiveXObject) {
        try {
            req = new ActiveXObject('Msxml2.XMLHTTP');
        } catch (e){
            try {
                req = new ActiveXObject('Microsoft.XMLHTTP');
            } catch (e){}
        }
    }
 
    if (req) {
        req.onreadystatechange = processReqChange;
        req.open("POST", url, true);
        
        req.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=windows-1251");
        
//        req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded')
		req.setRequestHeader("Accept-Language", "ru, en");
		req.setRequestHeader("Accept-Charset", "windows-1251;q=1");
		
        req.send(params);
//        reqTimeout = setTimeout("req.abort();", 5000);
    } else {
        alert("Браузер не поддерживает AJAX");
    }
}
 
function stat(n)
{
  switch (n) {
    case 0:
      return "не инициализирован";
    break;
 
    case 1: 
      return "загрузка...";
    break;
 
    case 2: 
      return "загружено";
    break;
 
    case 3: 
      return "в процессе...";
    break;
 
    case 4: 
      return "готово";
    break;
 
    default:
      return "неизвестное состояние";  
  }  
}