Make the shutdown/restart/update screens pretty :)

data/interfaces/default/js/script.js

@@ -276,3 +276,27 @@ function millisecondsToMinutes(ms, roundToMinute) {
 		}
 	}
 }
+
+// Our countdown plugin takes a callback, a duration, and an optional message
+$.fn.countdown = function (callback, duration, message) {
+    // If no message is provided, we use an empty string
+    message = message || "";
+    // Get reference to container, and set initial content
+    var container = $(this[0]).html(duration + message);
+    // Get reference to the interval doing the countdown
+    var countdown = setInterval(function () {
+        // If seconds remain
+        if (--duration) {
+            // Update our container's message
+            container.html(duration + message);
+        // Otherwise
+        } else {
+            // Clear the countdown interval
+            clearInterval(countdown);
+            // And fire the callback passing our container as `this`
+            callback.call(container);
+        }
+    // Run interval every 1000ms (1 second)
+    }, 1000);
+
+};