diff --git a/application/language/bulgarian/admin_lang.php b/application/language/bulgarian/admin_lang.php
index bf2ec87f..77f0753e 100644
--- a/application/language/bulgarian/admin_lang.php
+++ b/application/language/bulgarian/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Edit';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/chinese_simplified/admin_lang.php b/application/language/chinese_simplified/admin_lang.php
index 7163b951..d1d1c136 100644
--- a/application/language/chinese_simplified/admin_lang.php
+++ b/application/language/chinese_simplified/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = '编辑用户';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/czech/admin_lang.php b/application/language/czech/admin_lang.php
index 26e6c50d..1baea86e 100644
--- a/application/language/czech/admin_lang.php
+++ b/application/language/czech/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Upravit';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/dutch/admin_lang.php b/application/language/dutch/admin_lang.php
index e2cadcfd..6b161da8 100644
--- a/application/language/dutch/admin_lang.php
+++ b/application/language/dutch/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Edit';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/english/admin_lang.php b/application/language/english/admin_lang.php
index 3f6e9824..b42ab400 100644
--- a/application/language/english/admin_lang.php
+++ b/application/language/english/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Edit';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/finnish/admin_lang.php b/application/language/finnish/admin_lang.php
index d66806c7..0bb47c66 100644
--- a/application/language/finnish/admin_lang.php
+++ b/application/language/finnish/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Muokkaa';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/french/admin_lang.php b/application/language/french/admin_lang.php
index 1a34ed35..54dff9ec 100644
--- a/application/language/french/admin_lang.php
+++ b/application/language/french/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Editer';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/german/admin_lang.php b/application/language/german/admin_lang.php
index 2a5155ed..1b909cb2 100644
--- a/application/language/german/admin_lang.php
+++ b/application/language/german/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Editieren';
 $lang['admin_save'] = 'Speichern';
 $lang['admin_close'] = 'Schliessen';
 $lang['admin_user_accounts'] = 'Benutzerkonten';
+$lang['admin_danger'] = 'ACHTUNG!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Der Name des Contest';
 $lang['admin_contest_name_of_adif'] = 'Der Name des Contest in ADIF Spezifikation';
 $lang['admin_contest_edit_active_hint'] = 'Wähle "Aktiv" um den Contest in der Contest-Liste anzuzeigen';
 $lang['admin_contest_edit_update_contest'] = 'Aktualisiere Contest';
+$lang['admin_contest_deletion_warning'] = 'Warnung! Bist du sicher den folgenden Contest zu löschen: ';
+$lang['admin_contest_active_all_warning'] = 'Warnung! Bist du sicher, dass du ALLE Contests aktivieren willst?';
+$lang['admin_contest_deactive_all_warning'] = 'Warnung! Bist du sicher, dass du ALLE Contests deaktivieren willst?';
 
diff --git a/application/language/greek/admin_lang.php b/application/language/greek/admin_lang.php
index 3f6e9824..b42ab400 100644
--- a/application/language/greek/admin_lang.php
+++ b/application/language/greek/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Edit';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/italian/admin_lang.php b/application/language/italian/admin_lang.php
index 3f6e9824..b42ab400 100644
--- a/application/language/italian/admin_lang.php
+++ b/application/language/italian/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Edit';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/polish/admin_lang.php b/application/language/polish/admin_lang.php
index 3f6e9824..b42ab400 100644
--- a/application/language/polish/admin_lang.php
+++ b/application/language/polish/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Edit';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/russian/admin_lang.php b/application/language/russian/admin_lang.php
index 6b051124..436ab179 100644
--- a/application/language/russian/admin_lang.php
+++ b/application/language/russian/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Редактировать';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'Аккаунты пользователей';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/spanish/admin_lang.php b/application/language/spanish/admin_lang.php
index 3f6e9824..b42ab400 100644
--- a/application/language/spanish/admin_lang.php
+++ b/application/language/spanish/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Edit';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/swedish/admin_lang.php b/application/language/swedish/admin_lang.php
index 718f4c93..6c2f2796 100644
--- a/application/language/swedish/admin_lang.php
+++ b/application/language/swedish/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Redigera';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/language/turkish/admin_lang.php b/application/language/turkish/admin_lang.php
index 99ee05e6..99232911 100644
--- a/application/language/turkish/admin_lang.php
+++ b/application/language/turkish/admin_lang.php
@@ -19,6 +19,7 @@ $lang['admin_edit'] = 'Edit';
 $lang['admin_save'] = 'Save';
 $lang['admin_close'] = 'Close';
 $lang['admin_user_accounts'] = 'User Accounts';
+$lang['admin_danger'] = 'DANGER!';
 
 
 
@@ -43,4 +44,7 @@ $lang['admin_contest_name_of_contest'] = 'Name of the Contest';
 $lang['admin_contest_name_of_adif'] = 'Name of Contest in ADIF-specification';
 $lang['admin_contest_edit_active_hint'] = 'Set to active if to be listed in Contest-list';
 $lang['admin_contest_edit_update_contest'] = 'Update Contest';
+$lang['admin_contest_deletion_warning'] = 'Warning! Are you sure you want to delete the following contest: ';
+$lang['admin_contest_active_all_warning'] = 'Warning! Are you sure you want to activate all contests?';
+$lang['admin_contest_deactive_all_warning'] = 'Warning! Are you sure you want to deactivate all contests?';
 
diff --git a/application/views/contesting/add.php b/application/views/contesting/add.php
index 18c1fd30..4665c50e 100644
--- a/application/views/contesting/add.php
+++ b/application/views/contesting/add.php
@@ -50,6 +50,12 @@
 								};?>
 							</td>
 							<td>
+								<script>
+									var lang_admin_danger = '<?php echo lang('admin_danger'); ?>';
+									var lang_admin_contest_deletion_warning = '<?php echo lang('admin_contest_deletion_warning'); ?>';
+									var lang_admin_contest_active_all_warning = '<?php echo lang('admin_contest_active_all_warning'); ?>';
+									var lang_admin_contest_deactive_all_warning = '<?php echo lang('admin_contest_deactive_all_warning'); ?>';
+								</script>
 								<a href="<?php echo site_url('contesting/edit')."/".$row['id']; ?>" class="btn btn-outline-primary btn-sm"><i class="fas fa-edit"></i> <?php echo lang('admin_edit'); ?></a>
 							</td>
 							<td>
diff --git a/assets/js/sections/contestingnames.js b/assets/js/sections/contestingnames.js
index 3b800e5a..d39b76d9 100644
--- a/assets/js/sections/contestingnames.js
+++ b/assets/js/sections/contestingnames.js
@@ -90,8 +90,8 @@ function activateContest(contestid) {
 
 function deleteContest(id, contest) {
 	BootstrapDialog.confirm({
-		title: 'DANGER',
-		message: 'Warning! Are you sure you want to delete the following contest: ' + contest + '?',
+		title: lang_admin_danger,
+		message: lang_admin_contest_deletion_warning + contest + '?',
 		type: BootstrapDialog.TYPE_DANGER,
 		closable: true,
 		draggable: true,
@@ -115,8 +115,8 @@ function deleteContest(id, contest) {
 
 function activateAllContests() {
 	BootstrapDialog.confirm({
-		title: 'DANGER',
-		message: 'Warning! Are you sure you want to activate all contests?',
+		title: lang_admin_danger,
+		message: lang_admin_contest_active_all_warning,
 		type: BootstrapDialog.TYPE_DANGER,
 		closable: true,
 		draggable: true,
@@ -137,8 +137,8 @@ function activateAllContests() {
 
 function deactivateAllContests() {
 	BootstrapDialog.confirm({
-		title: 'DANGER',
-		message: 'Warning! Are you sure you want to deactivate all contests?',
+		title: lang_admin_danger,
+		message: lang_admin_contest_deactive_all_warning,
 		type: BootstrapDialog.TYPE_DANGER,
 		closable: true,
 		draggable: true,