--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Agendas/trunk/src/Agendas.Web/Scripts/jquery.unobtrusive-ajax.js	Sun Mar 13 18:51:06 2011 -0300
@@ -0,0 +1,165 @@
+/// <reference path="jquery-1.4.4.js" />
+
+/*!
+** Unobtrusive Ajax support library for jQuery
+** Copyright (C) Microsoft Corporation. All rights reserved.
+*/
+
+/*jslint white: true, browser: true, onevar: true, undef: true, nomen: true, eqeqeq: true, plusplus: true, bitwise: true, regexp: true, newcap: true, immed: true, strict: false */
+/*global window: false, jQuery: false */
+
+(function ($) {
+    var data_click = "unobtrusiveAjaxClick",
+        data_validation = "unobtrusiveValidation";
+
+    function getFunction(code, argNames) {
+        var fn = window, parts = (code || "").split(".");
+        while (fn && parts.length) {
+            fn = fn[parts.shift()];
+        }
+        if (typeof (fn) === "function") {
+            return fn;
+        }
+        argNames.push(code);
+        return Function.constructor.apply(null, argNames);
+    }
+
+    function isMethodProxySafe(method) {
+        return method === "GET" || method === "POST";
+    }
+
+    function asyncOnBeforeSend(xhr, method) {
+        if (!isMethodProxySafe(method)) {
+            xhr.setRequestHeader("X-HTTP-Method-Override", method);
+        }
+    }
+
+    function asyncOnSuccess(element, data, contentType) {
+        var mode;
+
+        if (contentType.indexOf("application/x-javascript") !== -1) {  // jQuery already executes JavaScript for us
+            return;
+        }
+
+        mode = (element.getAttribute("data-ajax-mode") || "").toUpperCase();
+        $(element.getAttribute("data-ajax-update")).each(function (i, update) {
+            var top;
+
+            switch (mode) {
+            case "BEFORE":
+                top = update.firstChild;
+                $("<div />").html(data).contents().each(function () {
+                    update.insertBefore(this, top);
+                });
+                break;
+            case "AFTER":
+                $("<div />").html(data).contents().each(function () {
+                    update.appendChild(this);
+                });
+                break;
+            default:
+                $(update).html(data);
+                break;
+            }
+        });
+    }
+
+    function asyncRequest(element, options) {
+        var confirm, loading, method, duration;
+
+        confirm = element.getAttribute("data-ajax-confirm");
+        if (confirm && !window.confirm(confirm)) {
+            return;
+        }
+
+        loading = $(element.getAttribute("data-ajax-loading"));
+        duration = element.getAttribute("data-ajax-loading-duration") || 0;
+
+        $.extend(options, {
+            type: element.getAttribute("data-ajax-method") || undefined,
+            url: element.getAttribute("data-ajax-url") || undefined,
+            beforeSend: function (xhr) {
+                var result;
+                asyncOnBeforeSend(xhr, method);
+                result = getFunction(element.getAttribute("data-ajax-begin"), ["xhr"]).apply(this, arguments);
+                if (result !== false) {
+                    loading.show(duration);
+                }
+                return result;
+            },
+            complete: function () {
+                loading.hide(duration);
+                getFunction(element.getAttribute("data-ajax-complete"), ["xhr", "status"]).apply(this, arguments);
+            },
+            success: function (data, status, xhr) {
+                asyncOnSuccess(element, data, xhr.getResponseHeader("Content-Type") || "text/html");
+                getFunction(element.getAttribute("data-ajax-success"), ["data", "status", "xhr"]).apply(this, arguments);
+            },
+            error: getFunction(element.getAttribute("data-ajax-failure"), ["xhr", "status", "error"])
+        });
+
+        options.data.push({ name: "X-Requested-With", value: "XMLHttpRequest" });
+
+        method = options.type.toUpperCase();
+        if (!isMethodProxySafe(method)) {
+            options.type = "POST";
+            options.data.push({ name: "X-HTTP-Method-Override", value: method });
+        }
+
+        $.ajax(options);
+    }
+
+    function validate(form) {
+        var validationInfo = $(form).data(data_validation);
+        return !validationInfo || !validationInfo.validate || validationInfo.validate();
+    }
+
+    $("a[data-ajax=true]").live("click", function (evt) {
+        evt.preventDefault();
+        asyncRequest(this, {
+            url: this.href,
+            type: "GET",
+            data: []
+        });
+    });
+
+    $("form[data-ajax=true] input[type=image]").live("click", function (evt) {
+        var name = evt.target.name,
+            $target = $(evt.target),
+            form = $target.parents("form")[0],
+            offset = $target.offset();
+
+        $(form).data(data_click, [
+            { name: name + ".x", value: Math.round(evt.pageX - offset.left) },
+            { name: name + ".y", value: Math.round(evt.pageY - offset.top) }
+        ]);
+
+        setTimeout(function () {
+            $(form).removeData(data_click);
+        }, 0);
+    });
+
+    $("form[data-ajax=true] :submit").live("click", function (evt) {
+        var name = evt.target.name,
+            form = $(evt.target).parents("form")[0];
+
+        $(form).data(data_click, name ? [{ name: name, value: evt.target.value }] : []);
+
+        setTimeout(function () {
+            $(form).removeData(data_click);
+        }, 0);
+    });
+
+    $("form[data-ajax=true]").live("submit", function (evt) {
+        var clickInfo = $(this).data(data_click) || [];
+        evt.preventDefault();
+        if (!validate(this)) {
+            return;
+        }
+        asyncRequest(this, {
+            url: this.action,
+            type: this.method || "GET",
+            data: clickInfo.concat($(this).serializeArray())
+        });
+    });
+}(jQuery));
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