var wpGears = {

	createStore : function() {

		if ( 'undefined' == typeof google || ! google.gears ) return;

		if ( 'undefined' == typeof localServer )

			localServer = google.gears.factory.create("beta.localserver");

		store = localServer.createManagedStore(this.storeName());

		store.manifestUrl = "gears-manifest.php";

		store.checkForUpdate();

		this.message(3);

	},

	getPermission : function() {

		var perm = true;

		if ( 'undefined' != typeof google && google.gears ) {

			if ( ! google.gears.factory.hasPermission )

				perm = google.gears.factory.getPermission( 'WordPress', 'images/logo.gif' );

			if ( perm )

				try { this.createStore(); } catch(e) { this.message(); } // silence if canceled

			else

				this.message(4);

		}

	},

	storeName : function() {

		var name, host = window.location.host;

		if ( host.match(/[^a-z0-9._-]/i) )

			host = encodeURIComponent(host);

		name = window.location.protocol + host;

		name = name.replace(/[^a-z0-9._-]+/gi, '_');

		name = 'wp_' + name.substring(0, 60); // max length of name is 64 chars

		return name;

	},

	message : function(show) {

		var t = this, msg1 = t.I('gears-msg1'), msg2 = t.I('gears-msg2'), msg3 = t.I('gears-msg3'), msg4 = t.I('gears-msg4'), num = t.I('gears-upd-number'), wait = t.I('gears-wait');

		if ( ! msg1 ) return;

		if ( 'undefined' != typeof google && google.gears ) {

			if ( show && show == 4 ) {

				msg1.style.display = msg2.style.display = msg3.style.display = 'none';

				msg4.style.display = 'block';

			} else if ( google.gears.factory.hasPermission ) {

				msg1.style.display = msg2.style.display = msg4.style.display = 'none';

				msg3.style.display = 'block';

				if ( 'undefined' == typeof store )

					t.createStore();

				store.oncomplete = function(){wait.innerHTML = (' ' + wpGearsL10n.updateCompleted);};

				store.onerror = function(){wait.innerHTML = (' ' + wpGearsL10n.error + ' ' + store.lastErrorMessage);};

				store.onprogress = function(e){if(num) num.innerHTML = (' ' + e.filesComplete + ' / ' + e.filesTotal);};

			} else {

				msg1.style.display = msg3.style.display = msg4.style.display = 'none';

				msg2.style.display = 'block';

			}

		}

	},

	I : function(id) {

		return document.getElementById(id);

	}

};

(function() {

	if ( 'undefined' != typeof google && google.gears ) return;

	var gf = false;

	if ( 'undefined' != typeof GearsFactory ) {

		gf = new GearsFactory();

	} else {

		try {

			gf = new ActiveXObject('Gears.Factory');

			if ( factory.getBuildInfo().indexOf('ie_mobile') != -1 )

				gf.privateSetGlobalObject(this);

		} catch (e) {

			if ( ( 'undefined' != typeof navigator.mimeTypes ) && navigator.mimeTypes['application/x-googlegears'] ) {

				gf = document.createElement("object");

				gf.style.display = "none";

				gf.width = 0;

				gf.height = 0;

				gf.type = "application/x-googlegears";

				document.documentElement.appendChild(gf);

			}

		}

	}

	if ( ! gf ) return;

	if ( 'undefined' == typeof google ) google = {};

	if ( ! google.gears ) google.gears = { factory : gf };

})();