shared toolbar radio button style is working. just need to store state.

UI/Shared/Toolbar/Radio/RadioButtonView.js

@@ -0,0 +1,38 @@
+"use strict";
+define(['app'], function () {
+
+    NzbDrone.Shared.Toolbar.RadioButtonView = Backbone.Marionette.ItemView.extend({
+        template : 'Shared/Toolbar/ButtonTemplate',
+        className: 'btn',
+
+        events: {
+            'click': 'invokeCallback'
+        },
+
+
+        onRender: function () {
+            if (this.model.get('active')) {
+                this.$el.addClass('active');
+                this.invokeCallback();
+            }
+        },
+
+        invokeCallback: function () {
+
+            if (!this.model.ownerContext) {
+                throw 'ownerContext must be set.';
+            }
+
+
+            var callback = this.model.get('callback');
+            if (callback) {
+                callback.call(this.model.ownerContext);
+            }
+        }
+
+    });
+});
+
+
+
+