function CreateRequest()
{
  var Request = false;
  if (window.XMLHttpRequest)
  {
    Request = new XMLHttpRequest();
  }
  else if (window.ActiveXObject)
  {
    try
    {
      Request = new ActiveXObject("Microsoft.XMLHTTP");
    }    
    catch (CatchException)
    {
      Request = new ActiveXObject("Msxml2.XMLHTTP");
    }
  }
 
  if (!Request)
    alert("Невозможно создать XMLHttpRequest");
    
  return Request;
} 

function SendRequest(r_method, r_path, r_args, r_handler)
{
  var Request = CreateRequest();

  if (!Request)
    return;

  Request.onreadystatechange = function()
  {
    if (Request.readyState == 4)
      r_handler(Request);
  }

  if (r_method.toLowerCase() == "get" && r_args.length > 0)
    r_path += "?" + r_args;
    
  Request.open(r_method, r_path, true);
    
  if (r_method.toLowerCase() == "post")
  {
    Request.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=utf-8");
    Request.send(r_args);
  }
  else
  {
    Request.send(null);
  }
} 

function ReadFile(filename, container)
{
  var Handler = function(Request)
  {
//    document.getElementById(container).innerHTML = Request.responseText;
  }
    
  SendRequest("GET",filename,"",Handler);
}