function sendqfb() {

	document.getElementById('quickbtn').disabled = true;
    // Create new JsHttpRequest object.
    var req = new JsHttpRequest();
    // Code automatically called on load finishing.
    req.onreadystatechange = function() {
        if (req.readyState == 4) {
            // Write result to page element ($_RESULT become responseJS).
            document.getElementById('quickfb').innerHTML = req.responseJS.ret;
            // Write debug information too (output become responseText).
            //document.getElementById('debug').innerHTML = req.responseText;
        }
    }
    var qtext = document.getElementById('quicktext').value;
    // Prepare request object (automatically choose GET or POST).
    req.open(null, '/data/loader/sendqfb.php', true);
    // Send data to backend.
    req.send( { qtext: qtext } );
}