// Copyright 2007 Google Inc. All Rights Reserved.
+//
+// Sets up google.gears.*, which is *the only* supported way to access Gears.
+//
+// Circumvent this file at your own risk!
+//
+// In the future, Gears may automatically define google.gears.* without this
+// file. Gears may use these objects to transparently fix bugs and compatibility
+// issues. Applications that use the code below will continue to work seamlessly
+// when that happens.
+
+(function() {
+ // We are already defined. Hooray!
+ if (window.google && google.gears) {
+ return;
+ }
+
+ var factory = null;
+
+ // Firefox
+ if (typeof GearsFactory != 'undefined') {
+ factory = new GearsFactory();
+ } else {
+ // IE
+ try {
+ factory = new ActiveXObject('Gears.Factory');
+ } catch (e) {
+ // Safari
+ if (navigator.mimeTypes["application/x-googlegears"]) {
+ factory = document.createElement("object");
+ factory.style.display = "none";
+ factory.width = 0;
+ factory.height = 0;
+ factory.type = "application/x-googlegears";
+ document.documentElement.appendChild(factory);
+ }
+ }
+ }
+
+ // *Do not* define any objects if Gears is not installed. This mimics the
+ // behavior of Gears defining the objects in the future.
+ if (!factory) {
+ return;
+ }
+
+ // Now set up the objects, being careful not to overwrite anything.
+ if (!window.google) {
+ window.google = {};
+ }
+
+ if (!google.gears) {
+ google.gears = {factory: factory};
+ }
+})();
+
+if (!window.google || !google.gears) {
+ location.href = "http://gears.google.com/?action=install&message=Google%20Gears%20is%20required%20for%20this%20application" +
+ "&return="+window.location.href;
+}