var req;

function AJAXControl( url ) { 						// pass second val to suppress display

	if ( window.XMLHttpRequest ) {					// native support?

		try {
			req = new XMLHttpRequest();
		} catch( e ) {
			req = false;
		}
	} else if ( window.ActiveXObject ) {			// thanks bill
		alert( "bills module");
		try {
			req = new ActiveXObject( "Msxml2.XMLHTTP" );
		} catch( e ) {
			try {
				req = new ActiveXObject( "Microsoft.XMLHTTP" );
			} catch( e ) {
				req = false;
			}
		}
	}

	if( req ) {
		req.onreadystatechange = processReqChange;
		req.open( "POST", url, true );
		req.send(null);
	}
}