diff --git a/korektury/TODO b/korektury/TODO
index 92c4b8d5..df1b937a 100644
--- a/korektury/TODO
+++ b/korektury/TODO
@@ -4,11 +4,8 @@
 - vyžádat pozornost autora obsahu
 - zvednout upload limit na 5MB
 - sbalit a rozbalit korekturu
-- nápověda
 - nahrávání jiných věcí než PDF - kontrolovat?
 - stylování
-- vylepšení hlavičky
-  - seznam PDF, homepage M&M, admin, wiki
 - seznam PDF - co zobrazovat?
 
 
diff --git a/korektury/migrations/0008_auto_20151229_1556.py b/korektury/migrations/0008_auto_20151229_1556.py
new file mode 100644
index 00000000..50e28379
--- /dev/null
+++ b/korektury/migrations/0008_auto_20151229_1556.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('korektury', '0007_auto_20151225_1237'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='oprava',
+            name='status',
+            field=models.CharField(default=b'k_oprave', max_length=16, verbose_name='stav opravy', choices=[(b'k_oprave', 'K oprav\u011b'), (b'opraveno', 'Opraveno'), (b'neni_chyba', 'Nen\xed chyba'), (b'k_reakci', 'K reakci autora textu')]),
+            preserve_default=True,
+        ),
+    ]
diff --git a/korektury/models.py b/korektury/models.py
index ee873616..f69196f6 100644
--- a/korektury/models.py
+++ b/korektury/models.py
@@ -1,28 +1,13 @@
 # -*- coding: utf-8 -*-
 import os
-import random
 from django.db import models
-from django.contrib import auth
 from django.utils import timezone
 from django.conf import settings
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.encoding import force_unicode
-from django.utils.text import slugify
-from django.core.urlresolvers import reverse
-from django.core.cache import cache
 from django.core.exceptions import ObjectDoesNotExist
-from imagekit.models import ImageSpecField, ProcessedImageField
-from imagekit.processors import ResizeToFit, Transpose
 
-import os
 import subprocess
-from cStringIO import StringIO
-from django.core.files.base import ContentFile
-
-from django_countries.fields import CountryField
-from solo.models import SingletonModel
-from taggit.managers import TaggableManager
-
 import reversion
 
 # PrilohaReseni method
@@ -123,13 +108,11 @@ class Oprava(models.Model):
     STATUS_OPRAVENO = 'opraveno'
     STATUS_NENI_CHYBA = 'neni_chyba'
     STATUS_K_REAKCI = 'k_reakci'
-    STATUS_SMAZANO = 'smazano'
     STATUS_CHOICES = (
             (STATUS_K_OPRAVE, u'K opravě'),
             (STATUS_OPRAVENO, u'Opraveno'),
             (STATUS_NENI_CHYBA, u'Není chyba'),
             (STATUS_K_REAKCI, u'K reakci autora textu'),
-            (STATUS_SMAZANO, u'Smazáno'),
             )
     status = models.CharField(u'stav opravy',max_length=16, choices=STATUS_CHOICES, blank=False,
             default = STATUS_K_OPRAVE)
diff --git a/korektury/static/korektury/imgs/hide.png b/korektury/static/korektury/imgs/hide.png
new file mode 100644
index 00000000..bcaeec04
Binary files /dev/null and b/korektury/static/korektury/imgs/hide.png differ
diff --git a/korektury/static/korektury/opraf.css b/korektury/static/korektury/opraf.css
index 18da5f5a..ca71548a 100644
--- a/korektury/static/korektury/opraf.css
+++ b/korektury/static/korektury/opraf.css
@@ -1,8 +1,13 @@
-body{background: #f3f3f3; color: black;}
-body.comitting {
+body,
+.adding{
+	background: #f3f3f3; 
+	color: black;
+}
+.comitting
+{
     background: yellow;
 }
-body.deprecated {
+.deprecated {
     background: red;
 }
 
diff --git a/korektury/static/korektury/opraf.js b/korektury/static/korektury/opraf.js
index d39c0797..d79e17ec 100644
--- a/korektury/static/korektury/opraf.js
+++ b/korektury/static/korektury/opraf.js
@@ -122,6 +122,20 @@ function img_click(element, ev) {
 	}
 	return show_form(img_id, dx, dy, '', '', '', '');
 }
+// hide or show text of correction
+function toggle_visibility(button){
+	var divbox = button.parentNode.parentNode.parentNode;
+	var id = divbox.id;
+	var text = document.getElementById(id+'-text');
+	if (text.style.display == 'none'){
+		text.style.display = 'block';
+	}else {
+		text.style.display = 'none';
+	}
+	for (var i=0;i<comments.length-1;i++){
+		 place_comments_one_div(comments[i][0], comments[i][1])
+	}
+} 
 
 // show comment form, when 'edit' or 'comment' button pressed
 function box_edit(button, action)
diff --git a/korektury/templates/korektury/opraf.html b/korektury/templates/korektury/opraf.html
index f840e203..6f83a127 100644
--- a/korektury/templates/korektury/opraf.html
+++ b/korektury/templates/korektury/opraf.html
@@ -15,7 +15,9 @@
 	<br>
 	<i>Klikni na chybu, napiš komentář</i>  |
 	<a href="../">seznam souborů</a> |
-	<a href="../help">nápověda</a> |&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|
+	<a href="/admin/korektury/korekturovanepdf/">Spravovat PDF</a> |
+	<a href="../help">nápověda</a> |
+	&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|
 	<a href="/">hlavní stránka</a> |
 	<a href="https://mam.mff.cuni.cz/wiki">wiki</a> |
 	<hr/>
@@ -24,7 +26,7 @@
 		<!-- Pridat korekturu / komentar !-->
 		<form action='' onsubmit='save_scroll(this)' id="commform" method="POST">
 			{% csrf_token %}
-			<input size="8" name="au" value="{{user.username}}"/>
+			<input size="24" name="au" value="{{user.first_name}} {{user.last_name}}" readonly/>
 			<input type=submit value="Oprav!"/>
 			<button type="button" onclick="close_commform()">Zavřít</button>
 	  		<br/>
@@ -142,6 +144,10 @@
 				<button type='button' onclick='box_edit(this, "comment");' title='Komentovat'>
           <img src="{% static "korektury/imgs/comment.png" %}"/>
 				</button>
+				<button type='button' onclick='toggle_visibility(this);' title='Skrýt/Zobrazit'>
+          <img src="{% static "korektury/imgs/hide.png" %}"/>
+				</button>
+
 			</div>
 		</div>
 		<div id='op{{o.id}}-text'>{{o.text}}</div>
@@ -176,9 +182,14 @@
 	{% endfor %}
 
 	<script>
+	var comments = [
 	{% for s in opravy_strany %}
-		place_comments_one_div("img-{{s.strana}}", [{% for o in s.op_id %}["op{{o.id}}",{{o.x}},{{o.y}}],{% endfor %}[]]);
+		["img-{{s.strana}}", [{% for o in s.op_id %}["op{{o.id}}",{{o.x}},{{o.y}}],{% endfor %}[]]],
 	{% endfor %}
+	[]]
+	for (var i=0;i<comments.length-1;i++){
+		 place_comments_one_div(comments[i][0], comments[i][1])
+	}
 	{% if scroll %}
 		window.scrollTo(0,{{scroll}});
 	{% endif %}
diff --git a/korektury/templates/korektury/seznam.html b/korektury/templates/korektury/seznam.html
index 3e1f01e8..c1d62175 100644
--- a/korektury/templates/korektury/seznam.html
+++ b/korektury/templates/korektury/seznam.html
@@ -12,7 +12,7 @@
 
 <ul>
   {% for pdf in object_list  %}
-	  <li> <b>{{ pdf.nazev }}</b> <i>{{pdf.komentar}}</i> <a href="/korektury/{{pdf.id}}">{{pdf.pdf.url}}</a> </li>
+	  <li> <b>{{ pdf.nazev }}</b> <i>{{pdf.komentar}}</i> <a href="/korektury/{{pdf.id}}">{{pdf.pdf.name}}</a> </li>
   {% empty %}
     <li> Nejsou žádné dokumenty ke korekturování.
   {% endfor %}
diff --git a/korektury/views.py b/korektury/views.py
index 6b77f61e..7302758e 100644
--- a/korektury/views.py
+++ b/korektury/views.py
@@ -1,24 +1,15 @@
 # -*- coding: utf-8 -*-
 from django.shortcuts import render
-from django.shortcuts import get_object_or_404, render
-from django.http import HttpResponseRedirect
-from django.http import HttpResponse
-from django.core.urlresolvers import reverse
 from django.views import generic
 from django.utils.translation import ugettext as _
-from django.http import Http404
-from django.http import HttpResponseRedirect
+from django.conf import settings
 
 from .models import Oprava,Komentar,KorekturovanePDF
 from .forms import OpravaForm
 
-from datetime import timedelta, date, datetime
-from itertools import groupby
-import tempfile
 import subprocess
 import shutil
 import os
-from django.conf import settings
 import unicodedata
 
 class KorekturyHelpView(generic.TemplateView):
@@ -39,7 +30,8 @@ class KorekturyView(generic.TemplateView):
         q = request.POST
         scroll = q.get('scroll')
         autor = q.get('au')
-        print "autor:" + str(autor)
+
+        print "autor:" + unicode(autor)
         if not autor:
             autor = 'anonym'
         if not scroll:
@@ -52,52 +44,52 @@ class KorekturyView(generic.TemplateView):
             y = int(q.get('y'))
             text = q.get('txt')
             strana = int(q.get('img-id')[4:])
-            pdf = KorekturovanePDF.objects.filter(id=q.get('pdf')).first()
+            pdf = KorekturovanePDF.objects.get(id=q.get('pdf'))
 
             op = Oprava(x=x,y=y, autor=autor, text=text, strana=strana,pdf = pdf)
             op.save()
         elif (action == u'del'):
             id = int(q.get('id'))
-            op = Oprava.objects.filter(id=id).first()
+            op = Oprava.objects.get(id=id)
             op.delete()
         elif (action == u'update'):
             id = int(q.get('id'))
-            op = Oprava.objects.filter(id=id).first()
+            op = Oprava.objects.get(id=id)
             text = q.get('txt')
             op.autor = autor
             op.text = text
             op.save()
         elif (action == u'undone'):
             id = int(q.get('id'))
-            op = Oprava.objects.filter(id=id).first()
+            op = Oprava.objects.get(id=id)
             op.status = op.STATUS_K_OPRAVE
             op.save()
         elif (action == u'done'):
             id = int(q.get('id'))
-            op = Oprava.objects.filter(id=id).first()
+            op = Oprava.objects.get(id=id)
             op.status = op.STATUS_OPRAVENO
             op.save()
         elif (action == u'wontfix'):
             id = int(q.get('id'))
-            op = Oprava.objects.filter(id=id).first()
+            op = Oprava.objects.get(id=id)
             op.status = op.STATUS_NENI_CHYBA
             op.save()
         elif (action == u'comment'):
             id = int(q.get('id'))
-            op = Oprava.objects.filter(id=id).first()
+            op = Oprava.objects.get(id=id)
             text = q.get('txt')
             kom = Komentar(oprava=op,autor=autor,text=text)
             kom.save()
         elif (action == u'update-comment'):
             id = int(q.get('id'))
-            kom = Komentar.objects.filter(id=id).first()
+            kom = Komentar.objects.get(id=id)
             text = q.get('txt')
             kom.text = text
             kom.autor = autor
             kom.save()
         elif (action == u'del-comment'):
             id = int(q.get('id'))
-            kom = Komentar.objects.filter(id=id).first()
+            kom = Komentar.objects.get(id=id)
             kom.delete()
         elif (action == u'delall'):
             pdf = KorekturovanePDF.objects.filter(id=q.get('pdf'))
@@ -116,24 +108,14 @@ class KorekturyView(generic.TemplateView):
             elif (q.get('state') == u'deprecated'):
                 pdf.status = pdf.STATUS_ZASTARALE
             pdf.save()
-            
-
-            
-
-#        return HttpResponse(u'Keys: %s '%(q.iteitems()))
-#        return HttpResponse(u'Oprav: %d, akce: %s'%(
-#            len(Oprava.objects.all()),action))
- 
-#        return HttpResponseRedirect(reverse('korektury')+"?scroll=%s"%(scroll))
         context = self.get_context_data()
         context['scroll'] = scroll
         context['autor'] = autor
         return render(request, 'korektury/opraf.html',context)
-#        return HttpResponse(u'Oprav: %d,x: %d y: %d, autor: %s, text: %s, strana: %d'%(
-#            len(Oprava.objects.all()),x,y,autor,text,strana))
+
     def get_context_data(self, **kwargs):
         context = super(KorekturyView,self).get_context_data(**kwargs)
-        pdf = KorekturovanePDF.objects.filter(id=self.kwargs['pdf']).first()
+        pdf = KorekturovanePDF.objects.get(id=self.kwargs['pdf'])
         context['pdf'] = pdf
         context['img_name'] = os.path.split(pdf.pdf.path)[1].split('.')[0]
         context['img_path'] = settings.KOREKTURY_IMG_DIR