/* AJAX */

function newXMLRequest()
{
	var xml = false;

	if (window.XMLHttpRequest)
	{
		xml = new XMLHttpRequest();
	}
	else if(window.ActiveXObject)
	{
		try
		{
			xml = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch(e1)
		{
			try
			{
				xml = new AxtiveXObject("Microsoft.XMLHTTP");
			}
			catch(e2) { /*ignore*/ }
		}
	}

	return xml;
}

function getReadyStateHandlerText(req, responseHandler)
{
	return function()
	{
		if (req.readyState == 4 && req.status == 200)
			responseHandler(req.responseText);
	}
}

function sendRequestText(url, handler, cmd)
{
	request = newXMLRequest();
	request.onreadystatechange = getReadyStateHandlerText(request, handler);
	request.open("POST", url, true);
	request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	request.send(cmd);
}