var ajax;
var shoutbox = false;
var clock2Interval = null;
var probe = false;

function createAjax()
{
	if (window.XMLHttpRequest) return new XMLHttpRequest(); else if (window.ActiveXObject) return new ActiveXObject("Microsoft.XMLHTTP");
	return null;
}

function displayGuests()
{
	if (ajax.readyState != 4) return;
	
	if (document.getElementById("gosci_online") == null) return;
	var data = ajax.responseXML.documentElement;
	var value = data.getElementsByTagName("guests")[0].childNodes[0].nodeValue;
	var osoby = "osoby";
	switch (value)
	{
		case "1": osoby = "osoba"; break;
		default:
			if ((value % 10 >= 0 && value % 10 <= 1) || (value > 4 && value <= 21) || (value % 10 > 4 && value % 10 < 9)) osoby = "osób"; break;
			break;
	}
	document.getElementById("gosci_online").innerHTML = "<b>" + value + "</b> " + osoby + " online";
}

function displayCheckbox()
{
	if (shoutbox.readyState != 4) return;
	if (document.getElementById("shoutbox") == null) return;
	document.getElementById("shoutbox").innerHTML = shoutbox.responseText;
	shoutbox = false;
	document.getElementById("message").value = "";
	document.getElementById("message").disabled = false;	
}