// JavaScript Document
function getTransport() {
	if ( window.XMLHttpRequest ) return new XMLHttpRequest();
	else if ( window.ActiveXObject ) return new ActiveXObject( "Microsoft.XMLHTTP" );
}

function callAjax( ajx, runFx ) {
	var req = getTransport();
	req.open( "GET", ajx, true );
	req.onreadystatechange = function() {
		if ( req.readyState == 4 && req.status == 200 )
			eval( runFx )( req );
	};
	req.send( null );
}