function makeRequest(url,aid) 
{
    var http_request = false;
    if(window.ActiveXObject)
    { // Explorer
        try 
        {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } 
        catch (e) 
        {
            try 
            {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } 
            catch (e) {}
        }
    }    
    else if(window.XMLHttpRequest) 
    { 
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) http_request.overrideMimeType('text/xml');

    } 
    if (!http_request) 
    {
        alert('Невозможно создать экземпляр класса XMLHTTP');
        return false;
    }
    http_request.onreadystatechange = function() { alertContents(http_request,aid); };
    http_request.open('GET', url, true);
    http_request.send(null);
}

function In(param,aid) {
  if(param) {
    if(aid=="frame") {
      document.getElementById(aid).contentWindow.document.body.innerHTML = param;
    } else if(aid=="add_product_into_basket") {
      alert(param);
      refresh_basket_info();
    } else {
      if(aid.indexOf("fly_body_")==0) {
        document.getElementById(aid).className = "";
      }
      document.getElementById(aid).innerHTML = param;
    }
  }
}

function alertContents(http_request,aid) {
  if(http_request.readyState == 4) {
    if(http_request.status == 200) {
      In(http_request.responseText,aid);
    } else {
      alert('С запросом возникла проблема.');
    }
  }
}