function ahah(url, target, delay, method, parameters) {

          if ( ( method == undefined ) || ( method == "GET" ) || ( method == "get" ) ){

                        if (window.XMLHttpRequest) {
                                req = new XMLHttpRequest();
                        }
                        else if (window.ActiveXObject) {
                                req = new ActiveXObject("Microsoft.XMLHTTP");
                        }
                        if (req) {
                                req.onreadystatechange = function() {
                                        ahahDone(url, target, delay, method, parameters);
                                };
                                req.open(method, url, true);
                                req.send("");
                        }
                }
                if ( (method == "POST") || (method == "post") ){


                        if (window.XMLHttpRequest) {
                                req = new XMLHttpRequest();
                        }
                        else if (window.ActiveXObject) {
                                req = new ActiveXObject("Microsoft.XMLHTTP");
                        }
                        if (req) {
                                req.onreadystatechange = function() {
                                        ahahDone(url, target, delay, method, parameters);
                                };
                                req.open(method, url, true);
                                req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
                                req.send(parameters);
                         }
                }
        }

function creaDIV(target, html){
                if (document.body.innerHTML) {
                        document.getElementById(target).innerHTML = html;
                }
                else if (document.getElementById){
                        var element = document.getElementById(target);
                        var range = document.createRange();
                        range.selectNodeContents(element);
                        range.deleteContents();
                        element.appendChild(range.createContextualFragment(html));
           }
        }

function execJS(node) {

                var st = node.getElementsByTagName('SCRIPT');
                var strExec;

                var bSaf = (navigator.userAgent.indexOf('Safari') != -1);
                var bOpera = (navigator.userAgent.indexOf('Opera') != -1);
                var bMoz = (navigator.appName == 'Netscape');

                for(var i=0;i<st.length; i++) {
                        if (bSaf) {
                          strExec = st[i].innerHTML;
                        }
                        else if (bOpera) {
                          strExec = st[i].text;
                        }
                        else if (bMoz) {
                          strExec = st[i].textContent;
                        }
                        else {
                          strExec = st[i].text;
                        }
                        try {
                          eval(strExec);
                        } catch(e) {
                          
                        }
                }

        }

function ahahDone(url, target, delay, method, parameters) {
                if (req.readyState == 4) {
                        element = document.getElementById(target);
                        if (req.status == 200) {

                                //creaDIV(target, req.responseText);
                                output = req.responseText;
                                document.getElementById(target).innerHTML = output;
                                var j = document.createElement("div");
                                j.innerHTML = "_" + output + "_";
                                execJS(j);

                        }
                        else {
                                creaDIV(target, "ahah error:\n"+req.statusText);
                        }
                }
        }

function likeSubmit( file, method, formName, target ) {

                var the_form = document.getElementById(formName);
                var num = the_form.elements.length;
                var url = "";
                var radio_buttons = new Array();
                var nome_buttons = new Array();
                var check_buttons = new Array();
                var nome_buttons = new Array();


                // submit radio values
                var j = 0;
                var a = 0;
                for(var i=0; i<the_form.length; i++){
                        var temp = the_form.elements[i].type;
                        if ( (temp == "radio") && ( the_form.elements[i].checked) ) {
                                nome_buttons[a] = the_form.elements[i].name;
                                radio_buttons[j] = the_form.elements[i].value;
                                j++;
                                a++;
                        }
                }
                for(var k = 0; k < radio_buttons.length; k++) {
                        url += nome_buttons[k] + "=" + radio_buttons[k] + "&";
                }

                // submit checkbox values
                var j = 0;
                var a = 0;
                for(var i=0; i<the_form.length; i++){
                        var temp = the_form.elements[i].type;
                        if ( (temp == "checkbox") && ( the_form.elements[i].checked) ) {
                                nome_buttons[a] = the_form.elements[i].name;
                                check_buttons[j] = the_form.elements[i].value;
                                j++;
                                a++;
                        }
                }
                for(var k = 0; k < check_buttons.length; k++) {
                        url += nome_buttons[k] + "=" + check_buttons[k] + "&";
                }

                // submit all kind of input
                for (var i = 0; i < num; i++){
                        var chiave = the_form.elements[i].name;
                        var valore = the_form.elements[i].value;
                        var tipo = the_form.elements[i].type;

                        if ( (tipo == "submit") || (tipo == "radio") || (tipo == "checkbox") ){}
                        else {
                                url += chiave + "=" + valore + "&";
                        }
                }

                var parameters = url;
                url = file + "?" + url;

                if (method == undefined) {
                        method = "GET";
                }
                if (method == "GET") {
                        ahah(url, target, '', method, '');
                }
                else {
                        ahah(file, target, '', method, parameters);
                }
        }