(function ($) {
    $.fn.ajaxSubmit = function (o) {
        if (typeof o == 'function') o = {
            success: o
        };
        o = $.extend({
            url: this.attr('action') || window.location,
            type: this.attr('method') || 'GET'
        }, o || {});
        var p = {};
        $.event.trigger('form.pre.serialize', [this, o, p]);
        if (p.veto) return this;
        var a = this.formToArray(o.semantic);
        if (o.data) {
            for (var n in o.data) a.push({
                name: n,
                value: o.data[n]
            })
        }
        if (o.beforeSubmit && o.beforeSubmit(a, this, o) === false) return this;
        $.event.trigger('form.submit.validate', [a, this, o, p]);
        if (p.veto) return this;
        var q = $.param(a);
        if (o.type.toUpperCase() == 'GET') {
            o.url += (o.url.indexOf('?') >= 0 ? '&' : '?') + q;
            o.data = null
        } else o.data = q;
        var r = this,
            callbacks = [];
        if (o.resetForm) callbacks.push(function () {
            r.resetForm()
        });
        if (o.clearForm) callbacks.push(function () {
            r.clearForm()
        });
        if (!o.dataType && o.target) {
            var u = o.success ||
            function () {};
            callbacks.push(function (a) {
                if (this.evalScripts) $(o.target).attr("innerHTML", a).evalScripts().each(u, arguments);
                else $(o.target).html(a).each(u, arguments)
            })
        } else if (o.success) callbacks.push(o.success);
        o.success = function (a, b) {
            for (var i = 0, max = callbacks.length; i < max; i++) callbacks[i](a, b, r)
        };
        var v = $('input:file', this).fieldValue();
        var w = false;
        for (var j = 0; j < v.length; j++) if (v[j]) w = true;
        if (o.iframe || w) fileUpload();
        else $.ajax(o);
        $.event.trigger('form.submit.notify', [this, o]);
        return this;

        function fileUpload() {
            var d = r[0];
            var f = $.extend({}, $.ajaxSettings, o);
            var h = 'jqFormIO' + $.fn.ajaxSubmit.counter++;
            var i = $('<iframe id="' + h + '" name="' + h + '" />');
            var j = i[0];
            var k = $.browser.opera && window.opera.version() < 9;
            if ($.browser.msie || k) j.src = 'javascript:false;document.write("");';
            i.css({
                position: 'absolute',
                top: '-1000px',
                left: '-1000px'
            });
            var l = {
                responseText: null,
                responseXML: null,
                status: 0,
                statusText: 'n/a',
                getAllResponseHeaders: function () {},
                getResponseHeader: function () {},
                setRequestHeader: function () {}
            };
            var g = f.global;
            if (g && !$.active++) $.event.trigger("ajaxStart");
            if (g) $.event.trigger("ajaxSend", [l, f]);
            var m = 0;
            var n = 0;
            setTimeout(function () {
                i.appendTo('body');
                j.attachEvent ? j.attachEvent('onload', cb) : j.addEventListener('load', cb, false);
                var a = d.encoding ? 'encoding' : 'enctype';
                var t = r.attr('target');
                r.attr({
                    target: h,
                    method: 'POST',
                    action: f.url
                });
                d[a] = 'multipart/form-data';
                if (f.timeout) setTimeout(function () {
                    n = true;
                    cb()
                }, f.timeout);
                d.submit();
                r.attr('target', t)
            }, 10);

            function cb() {
                if (m++) return;
                j.detachEvent ? j.detachEvent('onload', cb) : j.removeEventListener('load', cb, false);
                var a = true;
                try {
                    if (n) throw 'timeout';
                    var b, doc;
                    doc = j.contentWindow ? j.contentWindow.document : j.contentDocument ? j.contentDocument : j.document;
                    l.responseText = doc.body ? doc.body.innerHTML : null;
                    l.responseXML = doc.XMLDocument ? doc.XMLDocument : doc;
                    if (f.dataType == 'json' || f.dataType == 'script') {
                        var c = doc.getElementsByTagName('textarea')[0];
                        b = c ? c.value : l.responseText;
                        if (f.dataType == 'json') eval("data = " + b);
                        else $.globalEval(b)
                    } else if (f.dataType == 'xml') {
                        b = l.responseXML;
                        if (!b && l.responseText != null) b = toXml(l.responseText)
                    } else {
                        b = l.responseText
                    }
                } catch (e) {
                    a = false;
                    $.handleError(f, l, 'error', e)
                }
                if (a) {
                    f.success(b, 'success');
                    if (g) $.event.trigger("ajaxSuccess", [l, f])
                }
                if (g) $.event.trigger("ajaxComplete", [l, f]);
                if (g && !--$.active) $.event.trigger("ajaxStop");
                if (f.complete) f.complete(l, a ? 'success' : 'error');
                setTimeout(function () {
                    i.remove();
                    l.responseXML = null
                }, 100)
            };

            function toXml(s, a) {
                if (window.ActiveXObject) {
                    a = new ActiveXObject('Microsoft.XMLDOM');
                    a.async = 'false';
                    a.loadXML(s)
                } else a = (new DOMParser()).parseFromString(s, 'text/xml');
                return (a && a.documentElement && a.documentElement.tagName != 'parsererror') ? a : null
            }
        }
    };
    $.fn.ajaxSubmit.counter = 0;
    $.fn.ajaxForm = function (a) {
        return this.ajaxFormUnbind().submit(submitHandler).each(function () {
            this.formPluginId = $.fn.ajaxForm.counter++;
            $.fn.ajaxForm.optionHash[this.formPluginId] = a;
            $(":submit,input:image", this).click(clickHandler)
        })
    };
    $.fn.ajaxForm.counter = 1;
    $.fn.ajaxForm.optionHash = {};

    function clickHandler(e) {
        var a = this.form;
        a.clk = this;
        if (this.type == 'image') {
            if (e.offsetX != undefined) {
                a.clk_x = e.offsetX;
                a.clk_y = e.offsetY
            } else if (typeof $.fn.offset == 'function') {
                var b = $(this).offset();
                a.clk_x = e.pageX - b.left;
                a.clk_y = e.pageY - b.top
            } else {
                a.clk_x = e.pageX - this.offsetLeft;
                a.clk_y = e.pageY - this.offsetTop
            }
        }
        setTimeout(function () {
            a.clk = a.clk_x = a.clk_y = null
        }, 10)
    };

    function submitHandler() {
        var a = this.formPluginId;
        var b = $.fn.ajaxForm.optionHash[a];
        $(this).ajaxSubmit(b);
        return false
    };
    $.fn.ajaxFormUnbind = function () {
        this.unbind('submit', submitHandler);
        return this.each(function () {
            $(":submit,input:image", this).unbind('click', clickHandler)
        })
    };
    $.fn.formToArray = function (b) {
        var a = [];
        if (this.length == 0) return a;
        var c = this[0];
        var d = b ? c.getElementsByTagName('*') : c.elements;
        if (!d) return a;
        for (var i = 0, max = d.length; i < max; i++) {
            var e = d[i];
            var n = e.name;
            if (!n) continue;
            if (b && c.clk && e.type == "image") {
                if (!e.disabled && c.clk == e) a.push({
                    name: n + '.x',
                    value: c.clk_x
                }, {
                    name: n + '.y',
                    value: c.clk_y
                });
                continue
            }
            var v = $.fieldValue(e, 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 (!b && c.clk) {
            var f = c.getElementsByTagName("input");
            for (var i = 0, max = f.length; i < max; i++) {
                var g = f[i];
                var n = g.name;
                if (n && !g.disabled && g.type == "image" && c.clk == g) a.push({
                    name: n + '.x',
                    value: c.clk_x
                }, {
                    name: n + '.y',
                    value: c.clk_y
                })
            }
        }
        return a
    };
    $.fn.formSerialize = function (a) {
        return $.param(this.formToArray(a))
    };
    $.fn.fieldSerialize = function (b) {
        var a = [];
        this.each(function () {
            var n = this.name;
            if (!n) return;
            var v = $.fieldValue(this, b);
            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 (a) {
        for (var b = [], i = 0, max = this.length; i < max; i++) {
            var c = this[i];
            var v = $.fieldValue(c, a);
            if (v === null || typeof v == 'undefined' || (v.constructor == Array && !v.length)) continue;
            v.constructor == Array ? $.merge(b, v) : b.push(v)
        }
        return b
    };
    $.fieldValue = function (b, c) {
        var n = b.name,
            t = b.type,
            tag = b.tagName.toLowerCase();
        if (typeof c == 'undefined') c = true;
        if (c && (!n || b.disabled || t == 'reset' || t == 'button' || (t == 'checkbox' || t == 'radio') && !b.checked || (t == 'submit' || t == 'image') && b.form && b.form.clk != b || tag == 'select' && b.selectedIndex == -1)) return null;
        if (tag == 'select') {
            var d = b.selectedIndex;
            if (d < 0) return null;
            var a = [],
                ops = b.options;
            var e = (t == 'select-one');
            var f = (e ? d + 1 : ops.length);
            for (var i = (e ? d : 0); i < f; i++) {
                var g = ops[i];
                if (g.selected) {
                    var v = $.browser.msie && !(g.attributes['value'].specified) ? g.text : g.value;
                    if (e) return v;
                    a.push(v)
                }
            }
            return a
        }
        return b.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);