// remote scripting library
                // (c) copyright 2005 modernmethod, inc
                var sajax_debug_mode = false;
                var sajax_request_type = "GET";
                var sajax_target_id = "";
                var sajax_failure_redirect = "";

                function sajax_debug(text) {
                        if (sajax_debug_mode)
                                alert(text);
                }

                 function sajax_init_object() {
                         sajax_debug("sajax_init_object() called..")

                         var A;

                         var msxmlhttp = new Array(
                                'Msxml2.XMLHTTP.5.0',
                                'Msxml2.XMLHTTP.4.0',
                                'Msxml2.XMLHTTP.3.0',
                                'Msxml2.XMLHTTP',
                                'Microsoft.XMLHTTP');
                        for (var i = 0; i < msxmlhttp.length; i++) {
                                try {
                                        A = new ActiveXObject(msxmlhttp[i]);
                                } catch (e) {
                                        A = null;
                                }
                        }

                        if(!A && typeof XMLHttpRequest != "undefined")
                                A = new XMLHttpRequest();
                        if (!A)
                                sajax_debug("Could not create connection object.");
                        return A;
                }

                var sajax_requests = new Array();

                function sajax_cancel() {
                        for (var i = 0; i < sajax_requests.length; i++)
                                sajax_requests[i].abort();
                }

                function sajax_do_call(func_name, args) {
                        var i, x, n;
                        var uri;
                        var post_data;
                        var target_id;

                        sajax_debug("in sajax_do_call().." + sajax_request_type + "/" + sajax_target_id);
                        target_id = sajax_target_id;
                        if (typeof(sajax_request_type) == "undefined" || sajax_request_type == "")
                                sajax_request_type = "GET";

                        uri = "/sandbox/pagecheck/index.php";
                        if (sajax_request_type == "GET") {

                                if (uri.indexOf("?") == -1)
                                        uri += "?rs=" + escape(func_name);
                                else
                                        uri += "&rs=" + escape(func_name);
                                uri += "&rst=" + escape(sajax_target_id);
                                uri += "&rsrnd=" + new Date().getTime();

                                for (i = 0; i < args.length-1; i++)
                                        uri += "&rsargs[]=" + escape(args[i]);

                                post_data = null;
                        }
                        else if (sajax_request_type == "POST") {
                                post_data = "rs=" + escape(func_name);
                                post_data += "&rst=" + escape(sajax_target_id);
                                post_data += "&rsrnd=" + new Date().getTime();

                                for (i = 0; i < args.length-1; i++)
                                        post_data = post_data + "&rsargs[]=" + escape(args[i]);
                        }
                        else {
                                alert("Illegal request type: " + sajax_request_type);
                        }

                        x = sajax_init_object();
                        if (x == null) {
                                if (sajax_failure_redirect != "") {
                                        location.href = sajax_failure_redirect;
                                        return false;
                                } else {
                                        sajax_debug("NULL sajax object for user agent:\n" + navigator.userAgent);
                                        return false;
                                }
                        } else {
                                x.open(sajax_request_type, uri, true);
                                // window.open(uri);

                                sajax_requests[sajax_requests.length] = x;

                                if (sajax_request_type == "POST") {
                                        x.setRequestHeader("Method", "POST " + uri + " HTTP/1.1");
                                        x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
                                }

                                x.onreadystatechange = function() {
                                        if (x.readyState != 4)
                                                return;

                                        sajax_debug("received " + x.responseText);

                                        var status;
                                        var data;
                                        var txt = x.responseText.replace(/^\s*|\s*$/g,"");
                                        status = txt.charAt(0);
                                        data = txt.substring(2);

                                        if (status == "") {
                                                // let's just assume this is a pre-response bailout and let it slide for now
                                        } else if (status == "-")
                                                alert("Error: " + data);
                                        else {
                                                if (target_id != "")
                                                        document.getElementById(target_id).innerHTML = eval(data);
                                                else {
                                                        try {
                                                                var callback;
                                                                var extra_data = false;
                                                                if (typeof args[args.length-1] == "object") {
                                                                        callback = args[args.length-1].callback;
                                                                        extra_data = args[args.length-1].extra_data;
                                                                } else {
                                                                        callback = args[args.length-1];
                                                                }
                                                                callback(eval(data), extra_data);
                                                        } catch (e) {
                                                                sajax_debug("Caught error " + e + ": Could not eval " + data );
                                                        }
                                                }
                                        }
                                }
                        }

                        sajax_debug(func_name + " uri = " + uri + "/post = " + post_data);
                        x.send(post_data);
                        sajax_debug(func_name + " waiting..");
                        delete x;
                        return true;
                }


                // wrapper for init_call
                function x_init_call() {
                        sajax_do_call("init_call",
                                x_init_call.arguments);
                }


                // wrapper for progress
                function x_progress() {
                        sajax_do_call("progress",
                                x_progress.arguments);
                }