diff --git a/seminar/admin.py b/seminar/admin.py
index 4ce6ded5..4da32e96 100644
--- a/seminar/admin.py
+++ b/seminar/admin.py
@@ -46,11 +46,11 @@ class OsobaAdmin(admin.ModelAdmin):
 
 @admin.register(m.Organizator)
 class OrganizatorAdmin(admin.ModelAdmin):
-	search_fields = ['osoba__jmeno', 'osoba__prijmeni', 'prezdivka']
+	search_fields = ['osoba__jmeno', 'osoba__prijmeni', 'osoba__prezdivka']
 			
 @admin.register(m.Resitel)
 class ResitelAdmin(admin.ModelAdmin):
-	search_fields = ['jmeno', 'prijmeni', 'prezdivka']
+	search_fields = ['osoba__jmeno', 'osoba__prijmeni', 'osoba__prezdivka']
 	ordering = ('osoba__jmeno','osoba__prijmeni')
 
 @admin.register(m.Problem)
@@ -65,29 +65,28 @@ class ProblemAdmin(PolymorphicParentModelAdmin):
 	# Pokud chceme orezavat na aktualni rocnik, musime do modelu pridat odkaz na rocnik. Zatim bere vse.
 	search_fields = ['nazev']
 
+# V ProblemAdmin to nejde, protoze se to nepropise do deti
+class ProblemAdminMixin(object):
+	show_in_index = True
+	autocomplete_fields = ['nadproblem','autor','garant']
+	filter_horizontal = ['opravovatele']
+
+
 @admin.register(m.Tema)
-class TemaAdmin(PolymorphicChildModelAdmin):
+class TemaAdmin(ProblemAdminMixin,PolymorphicChildModelAdmin):
 	base_model = m.Tema
-	show_in_index = True
-	autocomplete_fields = ['nadproblem']
 
 @admin.register(m.Clanek)
-class ClanekAdmin(PolymorphicChildModelAdmin):
+class ClanekAdmin(ProblemAdminMixin,PolymorphicChildModelAdmin):
 	base_model = m.Clanek
-	show_in_index = True
-	autocomplete_fields = ['nadproblem']
 
 @admin.register(m.Uloha)
-class UlohaAdmin(PolymorphicChildModelAdmin):
+class UlohaAdmin(ProblemAdminMixin,PolymorphicChildModelAdmin):
 	base_model = m.Uloha
-	show_in_index = True
-	autocomplete_fields = ['nadproblem']
 
 @admin.register(m.Konfera)
-class KonferaAdmin(PolymorphicChildModelAdmin):
+class KonferaAdmin(ProblemAdminMixin,PolymorphicChildModelAdmin):
 	base_model = m.Konfera
-	show_in_index = True
-	autocomplete_fields = ['nadproblem']
 
 
 class TextAdminInline(admin.TabularInline):