added objectid timestamp to the user interface

the logic is done on the client.

client/coffee/services.coffee

@@ -1,14 +1,22 @@
 root = this
 
 root.services.factory('util', ['$http', '$rootScope', ($http, $rootScope)->
-    service = 
+    service =
         get: (params...) ->
             $rootScope.$broadcast("loading")
             return $http.get(params...).
             finally( () ->
                 $rootScope.$broadcast("loadingFinished")
             )
-        
+        parseObjectId: (objectIdAsString) ->
+            if objectIdAsString.length != 24
+                throw new Error("object id string must be of length 24")
+            ret =
+                date: new Date(parseInt(objectIdAsString.substr(0, 8), 16) * 1000)
+                machine: parseInt(objectIdAsString.substr(8, 14), 16)
+                process: parseInt(objectIdAsString.substr(14, 18), 16)
+                counter: parseInt(objectIdAsString.substr(18, 24), 16)
+
     return service
 
-]);
+]);