function getXMLHttpRequest()
{
	var request = false;
	try
	{
		request = new XMLHttpRequest();
	}
	catch(err1)
	{
		try
		{
			request = new ActiveXObject('Msxml2.XMLHTTP');
		}
		catch(err2)
		{
			try
			{
				request = new ActiveXObject('Microsoft.XMLHTTP');
			}
			catch(err3)
			{
				request = false;
			}
		}
	}
	return request;
}

var r = getXMLHttpRequest();

function pobierz(url)
{
	r.open('GET', url, true);
	r.onreadystatechange = handleAjaxResponse;
	r.send(null);
}

function wyslij(url)
{
	r.open('GET', url, true);
	r.onreadystatechange = null;
	r.send(null);
}

function handleAjaxResponse()
{
   if ((r.readyState == 4) && (r.status == 200))
   {
	//	alert(r.responseText);
		var e = document.getElementById('filter_ajax');
		e.innerHTML = r.responseText;
	//	$('#ajax').fadeTo("slow", 1);
	//	document.getElementById('loader').style.display = "none";
   }
}

function ustawFiltry(kategoria, filtr, wartosc)
{
	var url = document.location.href;
	pobierz('/filtry/ustaw?kategoria='+kategoria+'&url='+url+'&filtr='+filtr+'&wartosc='+wartosc);
}