__f.onsubmit = function()
                            {
                                try {
                                    __calcreq = ajaxac_createXMLHttp();

__calcreq.open('get', '/examples/ArithmeJax/index.php/calculate' + '?' + 'a=' + encodeURIComponent(__loperand.value) + '&' + 'b=' + encodeURIComponent(__roperand.value) + '&' + 'op=' + encodeURIComponent(__operator.value));

__calcreq_xmlhttpsuccess = function()
                            {
                                __answer.value = __calcreq.responseText;
                            }

__calcreq_onreadystatechange = function()
                            {
                                if (__calcreq.readyState == 4 && __calcreq.status == 200 && __calcreq_xmlhttpsuccess) {
                                    __calcreq_xmlhttpsuccess();
                                }
                            }

__calcreq.onreadystatechange = __calcreq_onreadystatechange;

__calcreq.send(null);
                                }
                                catch (e) { alert(e.message); }

                                return false;
                            }