function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
  
  if (xmlHttp==null)
  {
  alert ("Tavo browseris nepalaiko AJAX! / Your browser does not support AJAX!");
  return;
  } 
  
return xmlHttp;
}

function doAjax(failas, uzklausa)
{
	var xmlHttp = GetXmlHttpObject();
    xmlHttp.onreadystatechange=function()
    {
      if(xmlHttp.readyState==4)
      {
		div = document.getElementById('divModelis');
		div.innerHTML = xmlHttp.responseText;
      }
    }
    var url=failas;
	url=url+"?"+uzklausa;
	//url=url+"&sid="+Math.random();
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}