var 	ajaxReq;
var	infoMsg;
function createAJAXRequest(fromURL, respFunction )
{
	// init
	infoMsg = null;
	if (window. ActiveXObject)
	{
		// Internet Explorer
		ajaxReq = new ActiveXObject("Microsoft.XMLHTTP");
	}
	else if(window.XMLHttpRequest)
	{
		// Firefox, Mozilla, etc.
		ajaxReq = new XMLHttpRequest();
	}
	
	// to prevent IE from cache
	//fromURL = fromURL + "rnd="+(new Date()).getTime() + "&" ;
	//statusMsg( "Ajax: URL='" + fromURL + "'");
	ajaxReq.open("GET", fromURL, true)
	// another approach to IE cache problem
	// ajaxReq.setRequestHeader('If-Modified-Since', 'Mon, 1 Jan 1900 00:00:00 GMT');
//	ajaxReq.setRequestHeader("IF-MODIFIED-SINCE","Sat, 04 Feb 2006 17:47:00 PST");
	ajaxReq.setRequestHeader("IF-MODIFIED-SINCE","Mon, 1 Jan 1900 00:00:00 GMT");
	ajaxReq.onreadystatechange = eval(respFunction);
	ajaxReq.send( null);
}