//------------------------------------------------------------

function GetXmlHttpObject(handler)
{ 
	var objXmlHttp = null;
	if (!window.XMLHttpRequest)
	{
		// Microsoft
		objXmlHttp = GetMSXmlHttp();
		if (objXmlHttp != null) objXmlHttp.onreadystatechange = handler;
	} 
	else
	{
		// Mozilla | Netscape | Safari
		objXmlHttp = new XMLHttpRequest();
		if (objXmlHttp != null)
		{
			objXmlHttp.onreadystatechange = handler; //WAS onload
			objXmlHttp.onerror = handler;
		}
	} 
	return objXmlHttp; 
} 

//------------------------------------------------------------

function GetMSXmlHttp() 
{
	var xmlHttp = null;
	var clsids = ["Msxml2.XMLHTTP.6.0",
				  "Msxml2.XMLHTTP.4.0",
				  "Msxml2.XMLHTTP.3.0"];
	for(var i=0; i<clsids.length && xmlHttp == null; i++) {
		xmlHttp = CreateXmlHttp(clsids[i]);
	}
	return xmlHttp;
}

//------------------------------------------------------------

function CreateXmlHttp(clsid) 
{
	var xmlHttp = null;
	try {
		xmlHttp = new ActiveXObject(clsid);
		lastclsid = clsid;
		return xmlHttp;
	}
	catch(e) {}
}

//------------------------------------------------------------

function SendXmlHttpRequest( xmlhttp, url ) 
{
	//if ( xmlhttp.overrideMimeType ) xmlhttp.overrideMimeType("text/html; charset=ISO-8859-1");//MOZILLA FIX
	xmlhttp.open( 'GET', url+ '/_rc_' + (1+Math.random()), true);
	xmlhttp.send(null);
	//document.getElementById( 'timer' ).src = '/images/wait.gif';
}

//------------------------------------------------------------