diff --git a/readme.md b/readme.md
index 93dd9e238548efd031376c7f54e58c06d7a89741..189382cdc7f7820a305667c55b21418a638a0e55 100644
--- a/readme.md
+++ b/readme.md
@@ -54,3 +54,4 @@ MEDIA_ROOT = '/tmp/media' # Warning! `/tmp` directory can be flushed in any mome
 ## Development    
   - Remember, that before working you have to activate _virtualenv_, by: `devel@host ~/home/smash/scheduling-system $ . env/bin/activate`
   - In order to run development server, run: `devel@host ~/home/smash/scheduling-system/smash $ ./manage.py runserver` and go to `127.0.0.1:8000` in browser
+  - For reference of HTML tempalte, see [https://almsaeedstudio.com/themes/AdminLTE/pages/widgets.html#](https://almsaeedstudio.com/themes/AdminLTE/pages/widgets.html#)
diff --git a/smash/web/forms.py b/smash/web/forms.py
index ef870ce1f2eb8471e0b2a98ea41f6b1b926c2aa7..7834007e9b59e8cfb1dccc1e072883cabf2986f9 100644
--- a/smash/web/forms.py
+++ b/smash/web/forms.py
@@ -66,11 +66,15 @@ class AppointmentEditForm(ModelForm):
         model = Appointment
         fields = '__all__'
 
+    datetime_when = forms.DateTimeField(label='Appointment on (YYYY-MM-DD HH:MM:SS)')
+
 class AppointmentAddForm(ModelForm):
     class Meta:
         model = Appointment
         exclude = ['is_finished']
 
+    datetime_when = forms.DateTimeField(label='Appointment on (YYYY-MM-DD HH:MM:SS)')
+
 class VisitDetailForm(ModelForm):
     datetime_begin = forms.DateField(label="Visit begins on",
         widget=forms.SelectDateWidget(years=YEAR_CHOICES)
diff --git a/smash/web/models.py b/smash/web/models.py
index c733dfa173e4544bd6dc49221db8accee8841ed0..8ac791e79c21c83f30f3576ec01eb0592ca31e4d 100644
--- a/smash/web/models.py
+++ b/smash/web/models.py
@@ -6,7 +6,7 @@ from django.contrib.auth.models import User, AnonymousUser
 import datetime
 
 
-def get_is_current_year():
+def get_current_year():
     return datetime.datetime.now().year
 
 class Language (models.Model):
@@ -26,23 +26,34 @@ class Language (models.Model):
     image_img.allow_tags = True
 
 class Subject(models.Model):
+    SEX_CHOICES_MALE = 'M'
+    SEX_CHOICES_FEMALE = 'F'
+
     SEX_CHOICES = (
-        ('M','Male'),
-        ('F','Female'),
+        (SEX_CHOICES_MALE,'Male'),
+        (SEX_CHOICES_FEMALE,'Female'),
     )
 
+    STATUS_CHOICES_DEAD = 'DEA'
+    STATUS_CHOICES_REJECTED = 'REJ'
+    STATUS_CHOICES_NOT_CONTACTED = 'NCO'
+    STATUS_CHOICES_TEST_GROUP = 'TST'
+    STATUS_CHOICES_LEVEL_A = 'LEA'
+    STATUS_CHOICES_LEVEL_B = 'LEB'
+    STATUS_CHOICES_OPTED_OUT = 'OPT'
+
     STATUS_CHOICES = (
-        ('NCO', 'Not contacted'),
-        ('TST', 'Test group'),
-        ('LEA', 'Level A'),
-        ('LEB', 'Level B'),
-        ('OPT', 'Opted out'),
-        ('REJ', 'Rejected'),
-        ('DEA', 'Dead')
+        (STATUS_CHOICES_NOT_CONTACTED, 'Not contacted'),
+        (STATUS_CHOICES_TEST_GROUP, 'Test group'),
+        (STATUS_CHOICES_LEVEL_A, 'Level A'),
+        (STATUS_CHOICES_LEVEL_B, 'Level B'),
+        (STATUS_CHOICES_OPTED_OUT, 'Opted out'),
+        (STATUS_CHOICES_REJECTED, 'Rejected'),
+        (STATUS_CHOICES_DEAD, 'Dead')
     )
 
     def mark_as_dead(self):
-        self.status = 'DEA'
+        self.status = STATUS_CHOICES_DEAD
         self.save()
 
     def mark_as_rejected(self):
@@ -307,7 +318,7 @@ class Worker (models.Model):
         person = Worker.objects.filter(user=the_user)
 
         if len(person) == 0:
-            return ('Guest', 'Test account')
+            return ('User/admin', 'Without worker information')
         else:
             # For get_*_display, see:
             # https://docs.djangoproject.com/en/1.10/topics/db/models/#field-options
diff --git a/smash/web/templates/_base.html b/smash/web/templates/_base.html
index cbb02ca63851695f3feeadf72e97720b9fb904dd..451d91cf9d187e18f8728b813e88da50d1451135 100644
--- a/smash/web/templates/_base.html
+++ b/smash/web/templates/_base.html
@@ -78,7 +78,7 @@ desired effect
       <div class="navbar-custom-menu">
         <ul class="nav navbar-nav">
           <!-- Messages: style can be found in dropdown.less-->
-          <li class="dropdown messages-menu">
+          <li class="dropdown messages-menu" style="display: none">
             <!-- Menu toggle button -->
             <a href="#" class="dropdown-toggle" data-toggle="dropdown">
               <i class="fa fa-envelope-o"></i>
@@ -123,7 +123,7 @@ desired effect
           <!-- /.messages-menu -->
 
           <!-- Notifications Menu -->
-          <li class="dropdown notifications-menu">
+          <li class="dropdown notifications-menu" style="display: none">
             <!-- Menu toggle button -->
             <a href="#" class="dropdown-toggle" data-toggle="dropdown">
               <i class="fa fa-bell-o"></i>
diff --git a/smash/web/templates/assignments/index.html b/smash/web/templates/assignments/index.html
index 1ebe0c5460de149fa8cad6d58d2dd6113520c2d1..43d23a38c19c943ac3611c0250a516876bcdc4fb 100644
--- a/smash/web/templates/assignments/index.html
+++ b/smash/web/templates/assignments/index.html
@@ -133,7 +133,7 @@
 					center: 'title',
 					right: 'month,agendaWeek'
 				},
-				editable: true,
+				editable: false,
 				events: [
         {% for approach in approaching_list %}
           {
diff --git a/smash/web/templates/doctors/details.html b/smash/web/templates/doctors/details.html
index dfc9a99b4a2e638875b9335fc948da6676e8e950..d2e3ed6b7ff865aea36756662058a056744f96be 100644
--- a/smash/web/templates/doctors/details.html
+++ b/smash/web/templates/doctors/details.html
@@ -8,7 +8,7 @@
   <link rel="stylesheet" href="{% static 'AdminLTE/plugins/datatables/dataTables.bootstrap.css' %}">
 {% endblock styles %}
 
-{% block page_title %}'worker'{% endblock page_title %}
+{% block page_title %}'workers'{% endblock page_title %}
 {% block page_header %}Worker details{% endblock page_header %}
 {% block page_description %}details{% endblock page_description %}
 
diff --git a/smash/web/templates/subjects/index.html b/smash/web/templates/subjects/index.html
index 42f1bb0e6b70730a381d9b8d6a7ec2d3454670e3..3a5d8a41f70af76e851655bdc0dc19195efe9393 100644
--- a/smash/web/templates/subjects/index.html
+++ b/smash/web/templates/subjects/index.html
@@ -35,7 +35,7 @@
 				<th>First name</th>
 				<th>Last name</th>
 				<th>Country</th>
-				<th>Languages</th>
+				<th data-sorter="false" data-filter="false">Languages</th>
 				<th class="filter-select filter-exact" data-placeholder="Select type">Type</th>
 				<th>Last visit</th>
 				<th>Details</th>
diff --git a/smash/web/views.py b/smash/web/views.py
index 3231d94541b5b4b70924c1f6e0e4ac136569deb3..d214ccfa353c490dd545e1521741f02c1010583c 100644
--- a/smash/web/views.py
+++ b/smash/web/views.py
@@ -301,8 +301,7 @@ def assignment_add(request, id):
 		form = AppointmentAddForm(initial={'visit': id})
 		form.fields['visit'].widget = forms.HiddenInput()
 
-	vid = id
-	return wrap_response(request, 'assignments/add.html', {'form': form, 'visitID': vid})
+	return wrap_response(request, 'assignments/add.html', {'form': form, 'visitID': id})
 
 def assignment_edit(request, id):
 	if request.method == 'POST':