(function($) {
    $.fn.ajaxSubmit = function(options) {
        if (typeof options == 'function')
            options = { success: options }; options = $.extend({ url: this.attr('action') || window.location, type: this.attr('method') || 'GET'
            }, options || {}); var veto = {}; $.event.trigger('form.pre.serialize', [this, options, veto]); if (veto.veto) return this; var a = this.formToArray(options.semantic); if (options.data) {
            for (var n in options.data)
                a.push({ name: n, value: options.data[n] });
        }
        if (options.beforeSubmit && options.beforeSubmit(a, this, options) === false) return this; $.event.trigger('form.submit.validate', [a, this, options, veto]); if (veto.veto) return this; var q = $.param(a); if (options.type.toUpperCase() == 'GET') { options.url += (options.url.indexOf('?') >= 0 ? '&' : '?') + q; options.data = null; }
        else
            options.data = q; var $form = this, callbacks = []; if (options.resetForm) callbacks.push(function() { $form.resetForm(); }); if (options.clearForm) callbacks.push(function() { $form.clearForm(); }); if (!options.dataType && options.target) {
            var oldSuccess = options.success || function() { }; callbacks.push(function(data) {
                if (this.evalScripts)
                    $(options.target).attr("innerHTML", data).evalScripts().each(oldSuccess, arguments); else
                    $(options.target).html(data).each(oldSuccess, arguments);
            });
        }
        else if (options.success)
            callbacks.push(options.success); options.success = function(data, status) {
                for (var i = 0, max = callbacks.length; i < max; i++)
                    callbacks[i](data, status, $form);
            }; var files = $('input:file', this).fieldValue(); var found = false; for (var j = 0; j < files.length; j++)
            if (files[j])
            found = true; if (options.iframe || found)
            fileUpload(); else
            $.ajax(options); $.event.trigger('form.submit.notify', [this, options]); return this; function fileUpload() {
                var form = $form[0]; var opts = $.extend({}, $.ajaxSettings, options); var id = 'jqFormIO' + $.fn.ajaxSubmit.counter++; var $io = $('<iframe id="' + id + '" name="' + id + '" />'); var io = $io[0]; var op8 = $.browser.opera && window.opera.version() < 9; if ($.browser.msie || op8) io.src = 'javascript:false;document.write("");'; $io.css({ position: 'absolute', top: '-1000px', left: '-1000px' }); var xhr = { responseText: null, responseXML: null, status: 0, statusText: 'n/a', getAllResponseHeaders: function() { }, getResponseHeader: function() { }, setRequestHeader: function() { }
                }; var g = opts.global; if (g && !$.active++) $.event.trigger("ajaxStart"); if (g) $.event.trigger("ajaxSend", [xhr, opts]); var cbInvoked = 0; var timedOut = 0; setTimeout(function() {
                    $io.appendTo('body'); io.attachEvent ? io.attachEvent('onload', cb) : io.addEventListener('load', cb, false); var encAttr = form.encoding ? 'encoding' : 'enctype'; var t = $form.attr('target'); $form.attr({ target: id, method: 'POST', action: opts.url
                    }); form[encAttr] = 'multipart/form-data'; if (opts.timeout)
                        setTimeout(function() { timedOut = true; cb(); }, opts.timeout); form.submit(); $form.attr('target', t);
                }, 10); function cb() {
                    if (cbInvoked++) return; io.detachEvent ? io.detachEvent('onload', cb) : io.removeEventListener('load', cb, false); var ok = true; try {
                        if (timedOut) throw 'timeout'; var data, doc; doc = io.contentWindow ? io.contentWindow.document : io.contentDocument ? io.contentDocument : io.document; xhr.responseText = doc.body ? doc.body.innerHTML : null; xhr.responseXML = doc.XMLDocument ? doc.XMLDocument : doc; if (opts.dataType == 'json' || opts.dataType == 'script') {
                            var ta = doc.getElementsByTagName('textarea')[0]; data = ta ? ta.value : xhr.responseText; if (opts.dataType == 'json')
                                eval("data = " + data); else
                                $.globalEval(data);
                        }
                        else if (opts.dataType == 'xml') {
                            data = xhr.responseXML; if (!data && xhr.responseText != null)
                                data = toXml(xhr.responseText);
                        }
                        else { data = xhr.responseText; }
                    }
                    catch (e) { ok = false; $.handleError(opts, xhr, 'error', e); }
                    if (ok) { opts.success(data, 'success'); if (g) $.event.trigger("ajaxSuccess", [xhr, opts]); }
                    if (g) $.event.trigger("ajaxComplete", [xhr, opts]); if (g && ! --$.active) $.event.trigger("ajaxStop"); if (opts.complete) opts.complete(xhr, ok ? 'success' : 'error'); setTimeout(function() { $io.remove(); xhr.responseXML = null; }, 100);
                }; function toXml(s, doc) {
                    if (window.ActiveXObject) { doc = new ActiveXObject('Microsoft.XMLDOM'); doc.async = 'false'; doc.loadXML(s); }
                    else
                        doc = (new DOMParser()).parseFromString(s, 'text/xml'); return (doc && doc.documentElement && doc.documentElement.tagName != 'parsererror') ? doc : null;
                };
            };
    }; $.fn.ajaxSubmit.counter = 0; $.fn.ajaxForm = function(options) { return this.ajaxFormUnbind().submit(submitHandler).each(function() { this.formPluginId = $.fn.ajaxForm.counter++; $.fn.ajaxForm.optionHash[this.formPluginId] = options; $(":submit,input:image", this).click(clickHandler); }); }; $.fn.ajaxForm.counter = 1; $.fn.ajaxForm.optionHash = {}; function clickHandler(e) {
        var $form = this.form; $form.clk = this; if (this.type == 'image') {
            if (e.offsetX != undefined) { $form.clk_x = e.offsetX; $form.clk_y = e.offsetY; } else if (typeof $.fn.offset == 'function') { var offset = $(this).offset(); $form.clk_x = e.pageX - offset.left; $form.clk_y = e.pageY - offset.top; } else { $form.clk_x = e.pageX - this.offsetLeft; $form.clk_y = e.pageY - this.offsetTop; }
        }
        setTimeout(function() { $form.clk = $form.clk_x = $form.clk_y = null; }, 10);
    }; function submitHandler() { var id = this.formPluginId; var options = $.fn.ajaxForm.optionHash[id]; $(this).ajaxSubmit(options); return false; }; $.fn.ajaxFormUnbind = function() { this.unbind('submit', submitHandler); return this.each(function() { $(":submit,input:image", this).unbind('click', clickHandler); }); }; $.fn.formToArray = function(semantic) {
        var a = []; if (this.length == 0) return a; var form = this[0]; var els = semantic ? form.getElementsByTagName('*') : form.elements; if (!els) return a; for (var i = 0, max = els.length; i < max; i++) {
            var el = els[i]; var n = el.name; if (!n) continue; if (semantic && form.clk && el.type == "image") {
                if (!el.disabled && form.clk == el)
                    a.push({ name: n + '.x', value: form.clk_x }, { name: n + '.y', value: form.clk_y }); continue;
            }
            var v = $.fieldValue(el, true); if (v && v.constructor == Array) {
                for (var j = 0, jmax = v.length; j < jmax; j++)
                    a.push({ name: n, value: v[j] });
            }
            else if (v !== null && typeof v != 'undefined')
                a.push({ name: n, value: v });
        }
        if (!semantic && form.clk) {
            var inputs = form.getElementsByTagName("input"); for (var i = 0, max = inputs.length; i < max; i++) {
                var input = inputs[i]; var n = input.name; if (n && !input.disabled && input.type == "image" && form.clk == input)
                    a.push({ name: n + '.x', value: form.clk_x }, { name: n + '.y', value: form.clk_y });
            }
        }
        return a;
    }; $.fn.formSerialize = function(semantic) { return $.param(this.formToArray(semantic)); }; $.fn.fieldSerialize = function(successful) {
        var a = []; this.each(function() {
            var n = this.name; if (!n) return; var v = $.fieldValue(this, successful); if (v && v.constructor == Array) {
                for (var i = 0, max = v.length; i < max; i++)
                    a.push({ name: n, value: v[i] });
            }
            else if (v !== null && typeof v != 'undefined')
                a.push({ name: this.name, value: v });
        }); return $.param(a);
    }; $.fn.fieldValue = function(successful) {
        for (var val = [], i = 0, max = this.length; i < max; i++) {
            var el = this[i]; var v = $.fieldValue(el, successful); if (v === null || typeof v == 'undefined' || (v.constructor == Array && !v.length))
                continue; v.constructor == Array ? $.merge(val, v) : val.push(v);
        }
        return val;
    }; $.fieldValue = function(el, successful) {
        var n = el.name, t = el.type, tag = el.tagName.toLowerCase(); if (typeof successful == 'undefined') successful = true; if (successful && (!n || el.disabled || t == 'reset' || t == 'button' || (t == 'checkbox' || t == 'radio') && !el.checked || (t == 'submit' || t == 'image') && el.form && el.form.clk != el || tag == 'select' && el.selectedIndex == -1))
            return null; if (tag == 'select') {
            var index = el.selectedIndex; if (index < 0) return null; var a = [], ops = el.options; var one = (t == 'select-one'); var max = (one ? index + 1 : ops.length); for (var i = (one ? index : 0); i < max; i++) {
                var op = ops[i]; if (op.selected) { var v = $.browser.msie && !(op.attributes['value'].specified) ? op.text : op.value; if (one) return v; a.push(v); }
            }
            return a;
        }
        return el.value;
    }; $.fn.clearForm = function() { return this.each(function() { $('input,select,textarea', this).clearFields(); }); }; $.fn.clearFields = $.fn.clearInputs = function() {
        return this.each(function() {
            var t = this.type, tag = this.tagName.toLowerCase(); if (t == 'text' || t == 'password' || tag == 'textarea')
                this.value = ''; else if (t == 'checkbox' || t == 'radio')
                this.checked = false; else if (tag == 'select')
                this.selectedIndex = -1;
        });
    }; $.fn.resetForm = function() {
        return this.each(function() {
            if (typeof this.reset == 'function' || (typeof this.reset == 'object' && !this.reset.nodeType))
                this.reset();
        });
    };
})(jQuery);