var http_request = false;
var xmldoc;
var textdoc;


function makeRequest(url, parameters) 
{
  http_request = false;
  if (window.XMLHttpRequest) 
  { // Mozilla, Safari,...
    http_request = new XMLHttpRequest();
    if (http_request.overrideMimeType) { http_request.overrideMimeType('text/xml'); }
  } 
  else 
  if (window.ActiveXObject) 
  { // IE
    try { http_request = new ActiveXObject("Msxml2.XMLHTTP"); } 
    catch (e) 
    {
      try { http_request = new ActiveXObject("Microsoft.XMLHTTP"); } 
      catch (e) {}
    }
  }
  if (!http_request)
  {
    alert('Giving up :( Cannot create an XMLHTTP instance');
    return false;
  }
 
  http_request.onreadystatechange = alertContents;
  http_request.open('POST', url, true);
  http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
//  http_request.setRequestHeader("Content-type", "Content-Type: text/html; charset=cp1251");
  http_request.setRequestHeader("Content-length", parameters.length);
  http_request.setRequestHeader("Connection", "close");
//alert(parameters);
  http_request.send(parameters);
}

function alertContents() 
{
//  if (http_request.readyState == 1 ) 
//  {
//    document.getElementById("layer_action").style.left = document.body.clientWidth + document.body.scrollLeft - 85;
//    document.getElementById("layer_action").style.top  = document.body.scrollTop + 10;
//    document.getElementById("layer_action").style.visibility = 'visible'; document.getElementById("layer_action").innerHTML  = 'Loading...';
//  }
//  if (http_request.readyState == 2 ) document.getElementById("layer_action").innerHTML  = 'Loaded';
//  if (http_request.readyState == 3 ) document.getElementById("layer_action").innerHTML  = 'Loading 99%';
  if (http_request.readyState == 4 )
  {
    if (http_request.status == 200) 
    {


//alert(escape(http_request.responseText));
      textdoc = http_request.responseText;
//alert(2);
      eval(textdoc);
//alert(3);
//      xmldoc  = http_request.responseXML; 
//      PrintXML();
//      document.getElementById("layer_action").style.visibility = 'hidden';
    } 
    else 
    {
      alert('There was a problem with the request.');
    }
  }
}