function doDel(id) {
    // 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 becomes responseJS).
            document.getElementById('result').innerHTML = req.responseJS.q;
        }
    }
    // Prepare request object (automatically choose GET or POST).
    req.open(null, 'http://poltava.info/i/offer_img_delete.php?idd='+id, true);
    // Send data to backend.
    req.send( { q: id });
}