function ajax()
{
	var httpRequest = false;
	var method = "GET";
	var url = null;
	var reposponseText = null;
	var postvars = null;

	var eventList = [];

	this.Initialize = function()
	{
		if (window.XMLHttpRequest)
		{
			httpRequest = new XMLHttpRequest();

			if (httpRequest.overrideMimeType)
			{
				httpRequest.overrideMimeType('text/html');
			}
		}
		else if (window.ActiveXObject)
		{ // IE
			try
			{
				httpRequest = new ActiveXObject("Msxml2.XMLHTTP");
			}
			catch (e)
			{
				httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
			}
		}

		if (!httpRequest)
		{
			return false;
		}
		httpRequest.onreadystatechange = this.StatusChange;
		httpRequest.open(method, url, true);
		if (method == "POST")
		{
			httpRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
			httpRequest.setRequestHeader("Content-length", postvars.length);
			httpRequest.setRequestHeader("Connection", "close");
			httpRequest.send(postvars);
		}
		else
		{
			httpRequest.send(null);
		}
	};

	this.StatusChange = function()
	{
		// poprawka kompatybilnosc z ff 3.0 (js 1.8?)
		if (typeof (this.statusText) == "undefined")
			this.statusText = httpRequest.StatusText;

		if (httpRequest.readyState == 1)
		{
			if (typeof eventList["OnLoading"] == "function")
			{
				eventList["OnLoading"].apply(this, new Array(this));
			}
		}
		else if (httpRequest.readyState == 2)
		{
			if (typeof eventList["OnLoaded"] == "function")
			{
				eventList["OnLoaded"].apply(this, new Array(this));
			}
		}
		else if (httpRequest.readyState == 4)
		{
			// kompatybilnosc z FF3.0 (js 1.8?)
	                if (typeof (this.responseText) == "undefined")
				this.responseText = httpRequest.responseText;
			if (typeof (this.responseStatus) == "undefined")
				this.responseStatus = httpRequest.status;

			if (typeof eventList["OnSuccess"] == "function")
			{
				eventList["OnSuccess"].apply(this, new Array(this));
			}
		}
	}

	this.HandleArgs = function(args)
	{
		for (arg in args)
		{
			if (arg == "url")
			{
				url = args[arg];
			}
			else
			if (arg == "postvars")
			{
				method = "POST";
				postvars = args[arg];
			}
			else
			if (typeof args[arg] == "function")
			{
				eventList[arg] = args[arg];
			}
		}
	};
}

ajaxGET = function(arg)
{
	return ajaxRequest('GET', arg);
};

ajaxPOST = function(arg)
{
	return ajaxRequest('POST', arg);
};

ajaxRequest = function(requestType, arg)
{
	var request = new ajax();

	request.Method = requestType;
	request.HandleArgs(arg);
	return request.Initialize();
};