// Функция вызывается при нажатии на кнопку.
function Send() {
    var st={};
    for(j=0; j<window.document.forms['formbus'].elements.length; j++) {
        formObj=window.document.forms['formbus'].elements[j];
        st[formObj.name]=formObj.value;
    }

    // Create new JsHttpRequest object.
    var req = new JsHttpRequest();
    // Enable caching of the query results
    req.caching = false;

    // Code automatically called on load finishing.
    req.onreadystatechange = function() {
        if (req.readyState == 4) {
            if (req.responseJS.bform != ''){
                document.getElementById("bform").innerHTML = req.responseJS.bform ;
                return false;
            }
            document.getElementById("busines").innerHTML = req.responseJS.busines ;
        }
    }
    // Prepare request object (automatically choose GET or POST).
    req.open(null, '/send_banket.php', false);
    // Send data to backend.
    req.send( st );
    return false;
}