?jQuery.fn.ajaxSubmit = function(options) {    if (typeof options == 'function')        options = { success: options };    options = jQuery.extend({        url:  this.attr('action') || window.location,        type: this.attr('method') || 'GET'    }, options || {});    var a = this.formToArray(options.semantic);    // give pre-submit callback an opportunity to abort the submit    if (options.beforeSubmit && options.beforeSubmit(a, this, options) === false) return this;    // fire vetoable 'validate' event    var veto = {};    jQuery.event.trigger('form.submit.validate', [a, this, options, veto]);    if (veto.veto)        return this;    var q = jQuery.param(a);//.replace(/%20/g,'+');    if (options.type.toUpperCase() == 'GET') {        options.url += (options.url.indexOf('?') >= 0 ? '&' : '?') + q;        options.data = null;  // data is null for 'get'    }    else        options.data = q; // data is the query string for 'post'    var $form = this, callbacks = [];    if (options.resetForm) callbacks.push(function() { $form.resetForm(); });    if (options.clearForm) callbacks.push(function() { $form.clearForm(); });    // perform a load on the target only if dataType is not provided    if (!options.dataType && options.target) {        var oldSuccess = options.success || function(){};        callbacks.push(function(data, status) {            jQuery(options.target).attr("innerHTML", data).evalScripts().each(oldSuccess, [data, status]);        });    }    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);    };    // are there files to upload?    var files = jQuery('input:file', this).fieldValue();    var found = false;    for (var j=0; j < files.length; j++)        if (files[j])             found = true;    if (options.iframe || found) // options.iframe allows user to force iframe mode        fileUpload();    else        jQuery.ajax(options);    // fire 'notify' event    jQuery.event.trigger('form.submit.notify', [this, options]);    return this;    // private function for handling file uploads (hat tip to YAHOO!)    function fileUpload() {        var form = $form[0];        var opts = jQuery.extend({}, jQuery.ajaxSettings, options);                var id = 'jqFormIO' + jQuery.fn.ajaxSubmit.counter++;        var $io = jQuery('<iframe id="' + id + '" name="' + id + '" />');        var io = $io[0];        var op8 = jQuery.browser.opera && window.opera.version() < 9;        if (jQuery.browser.msie || op8) io.src = 'javascript:false;document.write("");';        $io.css({ position: 'absolute', top: '-1000px', left: '-1000px' });        // make sure form attrs are set        form.method = 'POST';        form.encoding ? form.encoding = 'multipart/form-data' : form.enctype = 'multipart/form-data';        var xhr = { // mock object            responseText: null,            responseXML: null,            status: 0,            statusText: 'n/a',            getAllResponseHeaders: function() {},            getResponseHeader: function() {},            setRequestHeader: function() {}        };                var g = opts.global;        // trigger ajax global events so that activity/block indicators work like normal        if (g && ! jQuery.active++) jQuery.event.trigger("ajaxStart");        if (g) jQuery.event.trigger("ajaxSend", [xhr, opts]);                var cbInvoked = 0;        var timedOut = 0;                // take a breath so that pending repaints get some cpu time before the upload starts        setTimeout(function() {            $io.appendTo('body');            // jQuery's event binding doesn't work for iframe events in IE            io.attachEvent ? io.attachEvent('onload', cb) : io.addEventListener('load', cb, false);            form.action = opts.url;            var t = form.target;            form.target = id;            // support timout            if (opts.timeout)                setTimeout(function() { timedOut = true; cb(); }, opts.timeout);            form.submit();            form.target = t; // reset        }, 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';                // extract the server response from the iframe                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                        jQuery.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;                jQuery.handleError(opts, xhr, 'error', e);            }            // ordering of these callbacks/triggers is odd, but that's how $.ajax does it            if (ok) {                opts.success(data, 'success');                if (g) jQuery.event.trigger("ajaxSuccess", [xhr, opts]);            }            if (g) jQuery.event.trigger("ajaxComplete", [xhr, opts]);            if (g && ! --jQuery.active) jQuery.event.trigger("ajaxStop");            if (opts.complete) opts.complete(xhr, ok ? 'success' : 'error');            // clean up            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;        }    };};jQuery.fn.ajaxSubmit.counter = 0; // used to create unique iframe idsjQuery.fn.ajaxForm = function(options) {    return this.each(function() {        jQuery("input:submit,input:image,button:submit", this).click(function(ev) {            var $form = this.form;            $form.clk = this;            if (this.type == 'image') {                if (ev.offsetX != undefined) {                    $form.clk_x = ev.offsetX;                    $form.clk_y = ev.offsetY;                } else if (typeof jQuery.fn.offset == 'function') { // try to use dimensions plugin                    var offset = jQuery(this).offset();                    $form.clk_x = ev.pageX - offset.left;                    $form.clk_y = ev.pageY - offset.top;                } else {                    $form.clk_x = ev.pageX - this.offsetLeft;                    $form.clk_y = ev.pageY - this.offsetTop;                }            }            // clear form vars            setTimeout(function() {                $form.clk = $form.clk_x = $form.clk_y = null;                }, 10);        })    }).submit(function(e) {        jQuery(this).ajaxSubmit(options);        return false;    });};jQuery.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") {            // handle image inputs on the fly when semantic == true            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 = jQuery.fieldValue(el, true);        if (v === null) continue;        if (v.constructor == Array) {            for(var j=0, jmax=v.length; j < jmax; j++)                a.push({name: n, value: v[j]});        }        else            a.push({name: n, value: v});    }    if (!semantic && form.clk) {        // input type=='image' are not found in elements array! handle them here        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;};jQuery.fn.formSerialize = function(semantic) {    //hand off to jQuery.param for proper encoding    return jQuery.param(this.formToArray(semantic));};jQuery.fn.fieldSerialize = function(successful) {    var a = [];    this.each(function() {        var n = this.name;        if (!n) return;        var v = jQuery.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});    });    //hand off to jQuery.param for proper encoding    return jQuery.param(a);};jQuery.fn.fieldValue = function(successful) {    for (var val=[], i=0, max=this.length; i < max; i++) {        var el = this[i];        var v = jQuery.fieldValue(el, successful);        if (v === null || typeof v == 'undefined' || (v.constructor == Array && !v.length))            continue;        v.constructor == Array ? jQuery.merge(val, v) : val.push(v);    }    return val;};jQuery.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) {                // extra pain for IE...                var v = jQuery.browser.msie && !(op.attributes['value'].specified) ? op.text : op.value;                if (one) return v;                a.push(v);            }        }        return a;    }    return el.value;};jQuery.fn.clearForm = function() {    return this.each(function() {        jQuery('input,select,textarea', this).clearFields();    });};jQuery.fn.clearFields = jQuery.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;    });};jQuery.fn.resetForm = function() {    return this.each(function() {        // guard against an input with the name of 'reset'        // note that IE reports the reset function as an 'object'        if (typeof this.reset == 'function' || (typeof this.reset == 'object' && !this.reset.nodeType))            this.reset();    });};