diff --git a/admin/themes/default/js/batchManagerGlobal.js b/admin/themes/default/js/batchManagerGlobal.js
index 20570f8eb..741aa8fcf 100644
--- a/admin/themes/default/js/batchManagerGlobal.js
+++ b/admin/themes/default/js/batchManagerGlobal.js
@@ -229,10 +229,10 @@ function selectGenerateDerivNone() {
 }
 
 function selectDelDerivAll() {
-	$("#action_delete_derivatives input[type=checkbox]").prop("checked", true).trigger("change");
+	$('#action_delete_derivatives input[name="del_derivatives_type[]"]').prop("checked", true).trigger("change");
 }
 function selectDelDerivNone() {
-	$("#action_delete_derivatives input[type=checkbox]").prop("checked", false).trigger("change");
+	$('#action_delete_derivatives input[name="del_derivatives_type[]"]').prop("checked", false).trigger("change");
 }
 
 /* sync metadatas or delete photos by blocks, with progress bar */
diff --git a/admin/themes/default/js/common.js b/admin/themes/default/js/common.js
index cfda00f3e..11504da8b 100644
--- a/admin/themes/default/js/common.js
+++ b/admin/themes/default/js/common.js
@@ -263,7 +263,6 @@ const jConfirm_confirm_options = {
   draggable: false,
   titleClass: "jconfirmDeleteConfirm",
   theme: "modern",
-  content: "",
   animation: "zoom",
   boxWidth: '40%',
   useBootstrap: false,
@@ -271,4 +270,48 @@ const jConfirm_confirm_options = {
   animateFromElement: false,
   backgroundDismiss: true,
   typeAnimated: false,
+}
+
+const jConfirm_confirm_with_content_options = {
+  draggable: false,
+  theme: "modern",
+  animation: "zoom",
+  boxWidth: '40%',
+  useBootstrap: false,
+  type: 'red',
+  animateFromElement: false,
+  backgroundDismiss: true,
+  typeAnimated: false,
+}
+
+
+
+jQuery.fn.pwg_jconfirm_follow_href = function({
+  alert_title = "TITLE", 
+  alert_confirm = "CONFIRM",
+  alert_cancel = "CANCEL",
+  alert_content = ""
+} = {}) {
+  let button_href = $(this).attr('href');
+  const options = alert_content === "" ? jConfirm_confirm_options : jConfirm_confirm_with_content_options
+  $(this).click(function() {
+    $.confirm({
+      content: alert_content,
+      title: alert_title,
+      buttons: {
+        confirm: {
+          text: alert_confirm,
+          btnClass: 'btn-red',
+          action: function () {
+            window.location.href = button_href;
+          }
+        },
+        cancel: {
+          text: alert_cancel
+        }
+      },
+      ...options
+    });
+    return (false);
+  });
 }
\ No newline at end of file
diff --git a/admin/themes/default/template/batch_manager_global.tpl b/admin/themes/default/template/batch_manager_global.tpl
index 9c99d0f4d..a7e6e2ca1 100644
--- a/admin/themes/default/template/batch_manager_global.tpl
+++ b/admin/themes/default/template/batch_manager_global.tpl
@@ -230,14 +230,23 @@ $(document).ready(function() {
     return false;
   });
 
+
+  jQuery("#action_delete_derivatives input[name=confirm_deletion]").change(function() {
+    jQuery("#action_delete_derivatives span.errors").hide();
+  });
+
   jQuery('#applyAction').click(function() {
 		var action = jQuery('[name="selectAction"]').val();
 		if (action == 'delete_derivatives') {
-			var d_count = $('#action_delete_derivatives input[type=checkbox]').filter(':checked').length
-				, e_count = $('input[name="setSelected"]').is(':checked') ? nb_thumbs_set : $('.thumbnails input[type=checkbox]').filter(':checked').length;
-			if (d_count*e_count > 500)
-				return confirm(lang.AreYouSure);
-		}
+			let d_count = $('#action_delete_derivatives input[type=checkbox]').filter(':checked').length
+			let e_count = $('input[name="setSelected"]').is(':checked') ? nb_thumbs_set : $('.thumbnails input[type=checkbox]').filter(':checked').length;
+      if (!jQuery("#action_delete_derivatives input[name=confirm_deletion]").is(':checked')) {
+        jQuery("#action_delete_derivatives span.errors").show();
+        return false;
+      } else {
+        return true;
+      }
+    }
 
 		if (action != 'generate_derivatives'
 			|| derivatives.finished() )
@@ -324,6 +333,10 @@ var sliders = {
 
 {/footer_script}
 
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
+{combine_css path="admin/themes/default/fontello/css/animation.css"}
+
 <div id="batchManagerGlobal">
 
 <h2>{'Batch Manager'|@translate}</h2>
@@ -737,6 +750,11 @@ UL.thumbnails SPAN.wrap2 {ldelim}
 
       <!-- delete derivatives -->
       <div id="action_delete_derivatives" class="bulkAction">
+        <label class="font-checkbox" style="margin-bottom:15px">
+          <span class="icon-check"></span>
+          <input type="checkbox" name="confirm_deletion" value="1"> {'Are you sure?'|@translate}
+        </label>
+        <span class="errors" style="display:none">{"You need to confirm deletion"|translate}</span>
         <div class="deleteDerivButtons">
           <a href="javascript:selectDelDerivAll()">{'All'|@translate}</a>
           <a href="javascript:selectDelDerivNone()">{'None'|@translate}</a>
diff --git a/admin/themes/default/template/configuration_sizes.tpl b/admin/themes/default/template/configuration_sizes.tpl
index d4c44e2f6..da67476fa 100644
--- a/admin/themes/default/template/configuration_sizes.tpl
+++ b/admin/themes/default/template/configuration_sizes.tpl
@@ -1,6 +1,21 @@
 {combine_script id='common' load='footer' path='admin/themes/default/js/common.js'}
-
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
 {footer_script}
+
+
+const title_msg = '{'Are you sure you want to restore to default settings?'|@translate|@escape}';
+const confirm_msg = '{'Yes, I am sure'|@translate|@escape}';
+const cancel_msg = '{'No, I have changed my mind'|@translate|@escape}';
+
+$(".restore-settings-button").each(function() {
+  $(this).pwg_jconfirm_follow_href({
+    alert_title: title_msg,
+    alert_confirm: confirm_msg,
+    alert_cancel: cancel_msg
+  });
+});
+
 (function(){
   var labelMaxWidth = "{'Maximum width'|translate}",
       labelWidth = "{'Width'|translate}",
@@ -50,7 +65,7 @@
     jQuery(this).css("visibility", "hidden");
 		return false;
   });
-}());
+})();
 {/footer_script}
 
 {html_style}
@@ -201,7 +216,7 @@
       {if isset($ferrors.resize_quality)}<span class="dErrorDesc" title="{$ferrors.resize_quality}">!</span>{/if}
     </p>
     <p style="margin:10px 0 0 0;{if isset($ferrors)} display:block;{/if}" class="sizeDetails">
-      <a href="{$F_ACTION}&action=restore_settings" onclick="return confirm('{'Are you sure?'|translate|@escape:javascript}');">{'Reset to default values'|translate}</a>
+      <a href="{$F_ACTION}&action=restore_settings" class="restore-settings-button">{'Reset to default values'|translate}</a>
     </p>
 
   {if !empty($custom_derivatives)}
diff --git a/admin/themes/default/template/languages_installed.tpl b/admin/themes/default/template/languages_installed.tpl
index 192cfcc61..c7068d441 100644
--- a/admin/themes/default/template/languages_installed.tpl
+++ b/admin/themes/default/template/languages_installed.tpl
@@ -1,3 +1,20 @@
+{combine_script id='common' load='footer' path='admin/themes/default/js/common.js'}
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
+{footer_script}
+$(".delete-lang-button").each(function() {
+  let title_msg = '{'Are you sure you want to delete the language "%s"?'|@translate|@escape:'javascript'}';
+  const confirm_msg = '{"Yes, I am sure"|@translate}';
+  const cancel_msg = '{"No, I have changed my mind"|@translate|@escape:'javascript'}';
+  let lang_name = $(this).closest(".languageBox").find('.languageName').html();
+  $(this).pwg_jconfirm_follow_href({
+    alert_title: title_msg.replace("%s", lang_name),
+    alert_confirm: confirm_msg,
+    alert_cancel: cancel_msg
+  });
+});
+{/footer_script}
+
 <div class="titrePage">
   <h2>{'Installed Languages'|@translate}</h2>
 </div>
@@ -34,7 +51,7 @@
 
       {if $language_state == 'inactive'}
       <a href="{$language.u_action}&amp;action=activate" class="tiptip" title="{'Make this language available to users'|@translate}">{'Activate'|@translate}</a>
-      | <a href="{$language.u_action}&amp;action=delete" onclick="return confirm('{'Are you sure?'|@translate|@escape:javascript}');" class="tiptip" title="{'Delete this language'|@translate}">{'Delete'|@translate}</a>
+      | <a href="{$language.u_action}&amp;action=delete" class="tiptip delete-lang-button" title="{'Delete this language'|@translate}">{'Delete'|@translate}</a>
       {/if}
       </div>
     </div> <!-- languageActions -->
diff --git a/admin/themes/default/template/maintenance.tpl b/admin/themes/default/template/maintenance.tpl
index 040653261..1331bb1c9 100644
--- a/admin/themes/default/template/maintenance.tpl
+++ b/admin/themes/default/template/maintenance.tpl
@@ -1,10 +1,61 @@
+{combine_script id='common' load='footer' path='admin/themes/default/js/common.js'}
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
+{footer_script}
+const confirm_msg = '{"Yes, I am sure"|@translate}';
+const cancel_msg = "{"No, I have changed my mind"|@translate}";
+$(".lock-gallery-button").each(function() {
+  const gallery_tip = '{"A locked gallery is only visible to administrators"|@translate|@escape:'javascript'}';
+  let title = '{"Are you sure you want to lock the gallery?"|@translate}';
+  let confirm_msg_gallery = '{"Yes, I want to lock the gallery"|@translate}';
+  let cancel_msg_gallery = '{"Keep it unlocked"|@translate}';
+  $(this).pwg_jconfirm_follow_href({
+    alert_title: title,
+    alert_confirm: confirm_msg,
+    alert_cancel: cancel_msg,
+    alert_content: gallery_tip
+  });
+});
+$(".purge-history-detail-button").each(function() {
+  const title = '{"Purge history detail"|@translate|@escape:'javascript'}';
+  $(this).pwg_jconfirm_follow_href({
+    alert_title: title,
+    alert_confirm: confirm_msg,
+    alert_cancel: cancel_msg
+  });
+});
+$(".purge-history-summary-button").each(function() {
+  const title = '{"Purge history summary"|@translate|@escape:'javascript'}';
+  $(this).pwg_jconfirm_follow_href({
+    alert_title: title,
+    alert_confirm: confirm_msg,
+    alert_cancel: cancel_msg
+  });
+});
+$(".purge-search-history-button").each(function() {
+  const title = '{"Purge search history"|@translate|@escape:'javascript'}';
+  $(this).pwg_jconfirm_follow_href({
+    alert_title: title,
+    alert_confirm: confirm_msg,
+    alert_cancel: cancel_msg
+  });
+});
+$(".delete-all-sizes-button").each(function() {
+  const title = '{"Are you sure you want to delete all sizes?"|@translate|@escape:'javascript'}';
+  $(this).pwg_jconfirm_follow_href({
+    alert_title: title,
+    alert_confirm: confirm_msg,
+    alert_cancel: cancel_msg
+  });
+});
+{/footer_script}
 <div class="titrePage">
   <h2>{'Maintenance'|@translate}</h2>
 </div>
 
 <ul>
 {if (isset($U_MAINT_LOCK_GALLERY))}
-  <li><a href="{$U_MAINT_LOCK_GALLERY}" onclick="return confirm('{'A locked gallery is only visible to administrators'|@translate|@escape:'javascript'}');">{'Lock gallery'|@translate}</a></li>
+  <li><a href="{$U_MAINT_LOCK_GALLERY}" class="lock-gallery-button">{'Lock gallery'|@translate}</a></li>
 {else}
   <li><a href="{$U_MAINT_UNLOCK_GALLERY}">{'Unlock gallery'|@translate}</a></li>
 {/if}
@@ -29,14 +80,15 @@
 <ul>
 	<li><a href="{$U_MAINT_USER_CACHE}">{'Purge user cache'|@translate}</a></li>
 	<li><a href="{$U_MAINT_ORPHAN_TAGS}">{'Delete orphan tags'|@translate}</a></li>
-	<li><a href="{$U_MAINT_HISTORY_DETAIL}" onclick="return confirm('{'Purge history detail'|@translate|@escape:'javascript'}');">{'Purge history detail'|@translate}</a></li>
-	<li><a href="{$U_MAINT_HISTORY_SUMMARY}" onclick="return confirm('{'Purge history summary'|@translate|@escape:'javascript'}');">{'Purge history summary'|@translate}</a></li>
+	<li><a href="{$U_MAINT_HISTORY_DETAIL}" class="purge-history-detail-button">{'Purge history detail'|@translate}</a></li>
+	<li><a href="{$U_MAINT_HISTORY_SUMMARY}" class="purge-history-summary-button">{'Purge history summary'|@translate}</a></li>
 	<li><a href="{$U_MAINT_SESSIONS}">{'Purge sessions'|@translate}</a></li>
 	<li><a href="{$U_MAINT_FEEDS}">{'Purge never used notification feeds'|@translate}</a></li>
-	<li><a href="{$U_MAINT_SEARCH}"onclick="return confirm('{'Purge search history'|@translate|@escape:'javascript'}');">{'Purge search history'|@translate}</a></li>
+	<li><a href="{$U_MAINT_SEARCH}" class="purge-search-history-button">{'Purge search history'|@translate}</a></li>
 	<li><a href="{$U_MAINT_COMPILED_TEMPLATES}">{'Purge compiled templates'|@translate}</a></li>
 	<li>{'Delete multiple size images'|@translate}: 
-	{foreach from=$purge_derivatives key=name item=url name=loop}{if !$smarty.foreach.loop.first}, {/if}<a href="{$url}"{if $smarty.foreach.loop.first} onclick="return confirm('{'Are you sure?'|@translate|@escape:javascript}');"{/if}>{$name}</a>{/foreach}
+	{foreach from=$purge_derivatives key=name item=url name=loop}
+    <a href="{$url}"{if $smarty.foreach.loop.first} class="delete-all-sizes-button"{/if}>{$name}</a>{if !$smarty.foreach.loop.last}, {/if}{/foreach}
 	</li>
 </ul>
 
diff --git a/admin/themes/default/template/plugins_installed.tpl b/admin/themes/default/template/plugins_installed.tpl
index 680ca2748..185e57a32 100644
--- a/admin/themes/default/template/plugins_installed.tpl
+++ b/admin/themes/default/template/plugins_installed.tpl
@@ -5,6 +5,7 @@
 /* incompatible message */
 var incompatible_msg = '{'WARNING! This plugin does not seem to be compatible with this version of Piwigo.'|@translate|@escape:'javascript'}';
 var activate_msg = '\n{'Do you want to activate anyway?'|@translate|@escape:'javascript'}';
+var deactivate_all_msg = '{'Deactivate all'|@translate}';
 
 var showInactivePlugins = function() {
     jQuery(".showInactivePlugins").fadeOut(complete=function(){
@@ -13,8 +14,13 @@ var showInactivePlugins = function() {
   }
 
 /* group action */
-var pwg_token = '{$PWG_TOKEN}';
-var confirmMsg  = '{'Are you sure?'|@translate|@escape:'javascript'}';
+const pwg_token = '{$PWG_TOKEN}';
+const are_you_sure_msg  = '{'Are you sure?'|@translate|@escape:'javascript'}';
+const confirm_msg = '{"Yes, I am sure"|@translate}';
+const cancel_msg = "{"No, I have changed my mind"|@translate}";
+let delete_plugin_msg = '{'Are you sure you want to delete the plugin "%s"?'|@translate|@escape:'javascript'}';
+let restore_plugin_msg = '{'Are you sure you want to restore the plugin "%s"?'|@translate|@escape:'javascript'}';
+const restore_tip_msg = "{'Restore default configuration. You will lose your plugin settings!'|@translate}";
 {literal}
 var queuedManager = jQuery.manageAjax.create('queued', { 
   queue: true,  
@@ -22,18 +28,56 @@ var queuedManager = jQuery.manageAjax.create('queued', {
 });
 var nb_plugins = jQuery('div.active').size();
 var done = 0;
+/* group action */
 
 jQuery(document).ready(function() {
-  /* group action */
-  jQuery('div.deactivate_all a').click(function() {
-    if (confirm(confirmMsg)) {
-      jQuery('div.active').each(function() {
-        performPluginDeactivate(jQuery(this).attr('id'));
-      });
-    }
+  $(".delete-plugin-button").each(function() {
+    let plugin_name = $(this).closest(".pluginContent").find(".pluginMiniBoxNameCell").html().trim();
+    $(this).pwg_jconfirm_follow_href({
+      alert_title: delete_plugin_msg.replace('%s', plugin_name),
+      alert_confirm: confirm_msg,
+      alert_cancel: cancel_msg
+    });
   });
+  $(".plugin-restore").each(function() {
+    let plugin_name = $(this).closest(".pluginContent").find(".pluginMiniBoxNameCell").html().trim();
+    $(this).pwg_jconfirm_follow_href({
+      alert_title: restore_plugin_msg.replace('%s', plugin_name),
+      alert_confirm: confirm_msg,
+      alert_cancel: cancel_msg,
+      alert_content: restore_tip_msg,
+    });
+  });
+  $(".uninstall-plugin-button").each(function() {
+    $(this).pwg_jconfirm_follow_href({
+      alert_title: are_you_sure_msg,
+      alert_confirm: confirm_msg,
+      alert_cancel: cancel_msg
+    });
+  });
+  jQuery('div.deactivate_all a').click(function() {
+    $.confirm({
+      title: deactivate_all_msg,
+      buttons: {
+        confirm: {
+          text: confirm_msg,
+          btnClass: 'btn-red',
+          action: function () {
+            jQuery('div.active').each(function() {
+              performPluginDeactivate(jQuery(this).attr('id'));
+            })
+          }
+        },
+        cancel: {
+          text: cancel_msg
+        }
+      },
+      ...jConfirm_confirm_options
+    });
+  });
+
   function performPluginDeactivate(id) {
-   queuedManager.add({
+    queuedManager.add({
       type: 'GET',
       dataType: 'json',
       url: 'ws.php',
@@ -63,7 +107,13 @@ jQuery(document).ready(function() {
           {/if}
           {literal}
           jQuery('#'+data[i]).addClass('incompatible');
-          jQuery('#'+data[i]+' .activate').attr('onClick', 'return confirm(incompatible_msg + activate_msg);');
+          jQuery('#'+data[i]+' .activate').each(function () {
+            $(this).pwg_jconfirm_follow_href({
+              alert_title: incompatible_msg + activate_msg,
+              alert_confirm: confirm_msg,
+              alert_cancel: cancel_msg
+            });
+          });
         }
         jQuery('.warning').tipTip({
           'delay' : 0,
@@ -74,13 +124,6 @@ jQuery(document).ready(function() {
       }
     });
   });
-  
-  /* TipTips */
-  jQuery('.plugin-restore').tipTip({
-    'delay' : 0,
-    'fadeIn' : 200,
-    'fadeOut' : 200
-  });
   jQuery('.showInfo').tipTip({
     'delay' : 0,
     'fadeIn' : 200,
@@ -179,6 +222,10 @@ jQuery(".pluginMiniBox").each(function(index){
 {/literal}
 {/footer_script}
 
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
+{combine_script id='tiptip' load='header' path='themes/default/js/plugins/jquery.tipTip.minified.js'}
+
 <div class="titrePage">
   <h2>{'Plugins'|@translate}</h2>
 </div>
@@ -248,18 +295,18 @@ jQuery(".pluginMiniBox").each(function(index){
   <div id="{$plugin.ID}" class="pluginMiniBox {$plugin.STATE}">
     <div class="pluginContent">
       <div class="PluginOptionsIcons">
-        <a class="icon-info-circled-1 showInfo" title="{if !empty($author)}{'By %s'|@translate:$author} | {/if}{'Version'|@translate} {$version}"></a>
         {if $plugin.STATE == 'active' || $plugin.STATE == 'inactive'}
           <a class="icon-ellipsis-vert showOptions" ></a>
         {/if}
       </div>
       
       <div class="PluginOptionsBlock dropdown">
+        <div class="dropdown-option-content"> {if !empty($author)}{'By %s'|@translate:$author}<br>{/if}{'Version'|@translate} {$version}</div>
         {if $plugin.STATE == 'active'}
           <a class="dropdown-option icon-cancel-circled" href="{$plugin.U_ACTION}&amp;action=deactivate">{'Deactivate'|@translate}</a>
-          <a class="dropdown-option icon-back-in-time" href="{$plugin.U_ACTION}&amp;action=restore" class="plugin-restore" title="{'Restore default configuration. You will lose your plugin settings!'|@translate}" onclick="return confirm(confirmMsg);">{'Restore'|@translate}</a>   
+          <a class="dropdown-option icon-back-in-time plugin-restore" href="{$plugin.U_ACTION}&amp;action=restore">{'Restore'|@translate}</a>   
         {elseif $plugin.STATE == 'inactive'}
-          <a class="dropdown-option icon-trash" href="{$plugin.U_ACTION}&amp;action=delete" onclick="return confirm(confirmMsg);">{'Delete'|@translate}</a>
+          <a class="dropdown-option icon-trash delete-plugin-button" href="{$plugin.U_ACTION}&amp;action=delete">{'Delete'|@translate}</a>
         {/if}      
       </div>
       <div class="pluginMiniBoxNameCell">
@@ -278,7 +325,7 @@ jQuery(".pluginMiniBox").each(function(index){
         {elseif $plugin.STATE == 'inactive'}
           <a class="pluginActionLevel1 icon-plus" href="{$plugin.U_ACTION}&amp;action=activate" class="activate">{'Activate'|@translate}</a>
         {elseif $plugin.STATE == 'missing'}
-          <a class="pluginActionLevel3" href="{$plugin.U_ACTION}&amp;action=uninstall" onclick="return confirm(confirmMsg);">{'Uninstall'|@translate}</a>
+          <a class="pluginActionLevel3 uninstall-plugin-button" href="{$plugin.U_ACTION}&amp;action=uninstall">{'Uninstall'|@translate}</a>
         {elseif $plugin.STATE == 'merged'}
           <a class="pluginActionLevel3" href="{$plugin.U_ACTION}&amp;action=delete">{'Delete'|@translate}</a>
         {/if}                     
diff --git a/admin/themes/default/template/plugins_new.tpl b/admin/themes/default/template/plugins_new.tpl
index 48ac65ebb..1b7be30d7 100644
--- a/admin/themes/default/template/plugins_new.tpl
+++ b/admin/themes/default/template/plugins_new.tpl
@@ -1,6 +1,15 @@
 {combine_script id='jquery.sort' load='footer' path='themes/default/js/plugins/jquery.sort.js'}
 
-{footer_script require='jquery.ui.effect-blind,jquery.sort'}{literal}
+{combine_script id='common' load='footer' path='admin/themes/default/js/common.js'}
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
+
+{footer_script require='jquery.ui.effect-blind,jquery.sort'}
+const install_title = '{'Are you sure you want to install this plugin?'|@translate|@escape:'javascript'}';
+const confirm_msg = '{"Yes, I am sure"|@translate}';
+const cancel_msg = "{"No, I have changed my mind"|@translate}";
+let title = '{'Are you sure you want to install the plugin "%s"?'|@translate|@escape:'javascript'}';
+{literal}
 var sortOrder = 'date';
 var sortPlugins = (function(a, b) {
   if (sortOrder == 'downloads' || sortOrder == 'revision' || sortOrder == 'date')
@@ -33,20 +42,27 @@ jQuery(document).ready(function(){
   });
   
   jQuery('#filter').keyup(function(){
-  var filter = $(this).val();
-  if (filter.length>2) {
-   $('.pluginBox').hide();
-    $('#availablePlugins .pluginBox input[name="name"]').each(function(){
-      if ($(this).val().toUpperCase().indexOf(filter.toUpperCase()) != -1) {
-       $(this).parents('div').show();
-      }
+    var filter = $(this).val();
+    if (filter.length>2) {
+      $('.pluginBox').hide();
+      $('#availablePlugins .pluginBox input[name="name"]').each(function(){
+        if ($(this).val().toUpperCase().indexOf(filter.toUpperCase()) != -1) {
+          $(this).parents('div').show();
+        }
+      });
+    } else {
+      $('.pluginBox').show();
+    }
+  jQuery("#filter").focus();
+  });
+  $(".install-plugin-button").each(function() {
+    let plugin_name = $(this).closest(".pluginBox").find("input[name=\"name\"]").val();
+    $(this).pwg_jconfirm_follow_href({
+      alert_title: title.replace("%s", plugin_name),
+      alert_confirm: confirm_msg,
+      alert_cancel: cancel_msg
     });
-  }
-  else {
-    $('.pluginBox').show();
-  }
- });
- jQuery("#filter").focus();
+  });
 });
 {/literal}{/footer_script}
 
@@ -88,7 +104,7 @@ jQuery(document).ready(function(){
     </tr>
     <tr>
       <td>
-        <a href="{$plugin.URL_INSTALL}" onclick="return confirm('{'Are you sure you want to install this plugin?'|@translate|@escape:javascript}');">{'Install'|@translate}</a>
+        <a href="{$plugin.URL_INSTALL}" class="install-plugin-button">{'Install'|@translate}</a>
         |  <a href="{$plugin.URL_DOWNLOAD}">{'Download'|@translate}</a>
       </td>
       <td>
diff --git a/admin/themes/default/template/rating_user.tpl b/admin/themes/default/template/rating_user.tpl
index 6d93f9610..873882a68 100644
--- a/admin/themes/default/template/rating_user.tpl
+++ b/admin/themes/default/template/rating_user.tpl
@@ -67,7 +67,9 @@ body .ui-tooltip {
 	<input type="hidden" name="page" value="rating_user">
 </fieldset>
 </form>
-
+{combine_script id='common' load='footer' path='admin/themes/default/js/common.js'}
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
 {combine_script id='core.scripts' load='async' path='themes/default/js/scripts.js'}
 {combine_script id='jquery.geoip' load='async' path='admin/themes/default/js/jquery.geoip.js'}
 {footer_script}
@@ -126,29 +128,43 @@ function uidFromCell(cell){
 $(document).ready( function(){
 	$("#rateTable").on( "click", ".del", function(e) {
 		e.preventDefault();
-		if (!confirm('{'Are you sure?'|@translate|@escape:'javascript'}'))
-			return;
-		var cell = e.target.parentNode,
-			tr = cell;
-		while ( tr.nodeName != "TR") tr = tr.parentNode;
-		tr = jQuery(tr).fadeTo(1000, 0.4);
-
-		var data=uidFromCell(cell);
-		
-		(new PwgWS('{$ROOT_URL|@escape:javascript}')).callService(
-			'pwg.rates.delete', { user_id:data.uid, anonymous_id:data.aid},
-			{
-				method: 'POST',
-				onFailure: function(num, text) { tr.stop(); tr.fadeTo(0,1); alert(num + " " + text); },
-				onSuccess: function(result){
-					if (result)
-						oTable.row(tr[0]).remove().draw();
-					else 
-						alert(result); 
+		const title_msg  = '{'Are you sure you want to delete the ratings of the user "%s"?'|@translate|@escape:'javascript'}';
+		const confirm_msg = '{"Yes, I am sure"|@translate}';
+		const cancel_msg = "{"No, I have changed my mind"|@translate}";
+		let usr_name = $(this).closest("tr").find(".usr").html();
+		$.confirm({
+			title: title_msg.replace("%s", usr_name),
+			buttons: {
+				confirm: {
+					text: confirm_msg,
+					btnClass: 'btn-red',
+					action: function () {
+						var cell = e.target.parentNode,
+						tr = cell;
+						while ( tr.nodeName != "TR") tr = tr.parentNode;
+						tr = jQuery(tr).fadeTo(1000, 0.4);
+						var data=uidFromCell(cell);
+						(new PwgWS('{$ROOT_URL|@escape:javascript}')).callService(
+							'pwg.rates.delete', { user_id:data.uid, anonymous_id:data.aid},
+							{
+								method: 'POST',
+								onFailure: function(num, text) { tr.stop(); tr.fadeTo(0,1); alert(num + " " + text); },
+								onSuccess: function(result){
+									if (result)
+										oTable.row(tr[0]).remove().draw();
+									else 
+										alert(result); 
+								}
+							}
+						);
+					}
+				},
+				cancel: {
+					text: cancel_msg
 				}
-			}
-		);
-
+			},
+			...jConfirm_confirm_options
+		});
 	});
 });
 
diff --git a/admin/themes/default/template/site_manager.tpl b/admin/themes/default/template/site_manager.tpl
index 242906027..674e25e33 100644
--- a/admin/themes/default/template/site_manager.tpl
+++ b/admin/themes/default/template/site_manager.tpl
@@ -6,8 +6,21 @@ jQuery(document).ready(function(){
   });
 });
 {/literal}{/footer_script}
-
-
+{combine_script id='common' load='footer' path='admin/themes/default/js/common.js'}
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
+{footer_script}
+const title_msg = '{'Are you sure you want to delete this site?'|@translate|@escape:'javascript'}';
+const confirm_msg = '{"Yes, I am sure"|@translate}';
+const cancel_msg = "{"No, I have changed my mind"|@translate}";
+$(".delete-site-button").each(function() {
+  $(this).pwg_jconfirm_follow_href({
+    alert_title: title_msg,
+    alert_confirm: confirm_msg,
+    alert_cancel: cancel_msg
+  });
+});
+{/footer_script}
 <div class="titrePage">
   <h2>{'Site manager'|@translate}</h2>
 </div>
@@ -34,8 +47,7 @@ jQuery(document).ready(function(){
   </td><td>
     [<a href="{$site.U_SYNCHRONIZE}" title="{'update the database from files'|@translate}">{'Synchronize'|@translate}</a>]
     {if isset($site.U_DELETE)}
-      [<a href="{$site.U_DELETE}" onclick="return confirm('{'Are you sure?'|@translate|escape:'javascript'}');"
-                title="{'delete this site and all its attached elements'|@translate}">{'delete'|@translate}</a>]
+      [<a class="delete-site-button" href="{$site.U_DELETE}" title="{'delete this site and all its attached elements'|@translate}">{'delete'|@translate}</a>]
     {/if}
     {if not empty($site.plugin_links)}
         <br>
diff --git a/admin/themes/default/template/themes_installed.tpl b/admin/themes/default/template/themes_installed.tpl
index 4fcd4dab7..d6b13c15c 100644
--- a/admin/themes/default/template/themes_installed.tpl
+++ b/admin/themes/default/template/themes_installed.tpl
@@ -1,5 +1,23 @@
 {include file='include/colorbox.inc.tpl'} 
 
+{combine_script id='common' load='footer' path='admin/themes/default/js/common.js'}
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
+{footer_script}
+const title_msg = '{'Are you sure you want to delete this theme?'|@translate|@escape:'javascript'}';
+const confirm_msg = '{"Yes, I am sure"|@translate}';
+const cancel_msg = "{"No, I have changed my mind"|@translate}";
+$(".delete-theme-button").each(function() {
+  let theme_name = $(this).closest(".themeBox").find(".themeName").attr("title");
+  let title = '{'Are you sure you want to delete the theme "%s"?'|@translate|@escape:'javascript'}';
+  $(this).pwg_jconfirm_follow_href({
+    alert_title: title.replace("%s", theme_name),
+    alert_confirm: confirm_msg,
+    alert_cancel: cancel_msg
+  });
+});
+{/footer_script}
+
 {footer_script}{literal}
 jQuery(document).ready(function() {
   $("a.preview-box").colorbox();
@@ -100,6 +118,11 @@ $(window).bind("load", function() {
       <div class="showInfo-dropdown-content">
         {$theme.DESC|@escape:'html'}
       </div>
+      {if $theme.DELETABLE}
+          <a class="dropdown-option icon-trash delete-plugin-button delete-theme-button" href="{$delete_baseurl}{$theme.ID}">{'Delete'|@translate}</a>
+      {else}
+          <span class="dropdown-option icon-trash delete-plugin-button"title="{$theme.DELETE_TOOLTIP}">{'Delete'|@translate}</span>
+      {/if}
       {if $theme.DEACTIVABLE}
         <a href="{$deactivate_baseurl}{$theme.ID}" class="showInfo-dropdown-action tiptip icon-cancel-circled" title="{'Forbid this theme to users'|@translate}">{'Deactivate'|@translate}</a>
       {/if}
@@ -116,14 +139,9 @@ $(window).bind("load", function() {
   {/if}
 {else}
   {if $theme.ACTIVABLE}
-      <a href="{$activate_baseurl}{$theme.ID}" title="{'Make this theme available to users'|@translate}" class="tiptip">{'Activate'|@translate}</a>
+      <a href="{$activate_baseurl}{$theme.ID}" title="{'Make this theme available to users'|@translate}" class="icon-plus tiptip">{'Activate'|@translate}</a>
   {else}
-      <span title="{$theme.ACTIVABLE_TOOLTIP}" class="tiptip">{'Activate'|@translate}</span>
-  {/if}
-  {if $theme.DELETABLE}
-      <a href="{$delete_baseurl}{$theme.ID}" onclick="return confirm('{'Are you sure?'|@translate|@escape:javascript}');">{'Delete'|@translate}</a>
-  {else}
-      <span title="{$theme.DELETE_TOOLTIP}">{'Delete'|@translate}</span>
+      <span title="{$theme.ACTIVABLE_TOOLTIP}" class="icon-plus tiptip">{'Activate'|@translate}</span>
   {/if}
 {/if}
     </div> <!-- themeActions -->
diff --git a/admin/themes/default/template/updates_ext.tpl b/admin/themes/default/template/updates_ext.tpl
index 7d65c254a..a4b1cb52a 100644
--- a/admin/themes/default/template/updates_ext.tpl
+++ b/admin/themes/default/template/updates_ext.tpl
@@ -21,12 +21,10 @@ var queuedManager = $.manageAjax.create('queued', {
 });
 
 function updateAll() {
-  if (confirm(confirmMsg)) {
-    jQuery('.updateExtension').each( function() {
-      if (jQuery(this).parents('div').css('display') == 'block')
-        jQuery(this).click();
-    });
-  }
+  jQuery('.updateExtension').each( function() {
+    if (jQuery(this).parents('div').css('display') == 'block')
+      jQuery(this).click();
+  });
 };
 
 function ignoreAll() {
@@ -129,8 +127,9 @@ function autoupdate_bar_toggle(i) {
 jQuery(document).ready(function() {
 	jQuery("td[id^='desc_'], p[id^='revdesc_']").click(function() {
 		id = this.id.split('_');
-		jQuery("#revdesc_"+id[1]).toggle('blind');
+		jQuery("#revdesc_"+id[1]).toggle();
     jQuery(".button_"+id[1]).toggle();
+    jQuery("#revdesc_"+id[1]).closest('tr').toggle();
 		return false;
 	});
 });
@@ -138,13 +137,41 @@ jQuery(document).ready(function() {
 checkFieldsets();
 {/literal}
 {/footer_script}
+{combine_script id='common' load='footer' path='admin/themes/default/js/common.js'}
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
+{footer_script}
+
+const are_you_sure_msg  = '{'Are you sure?'|@translate|@escape:'javascript'}';
+const confirm_msg = '{"Yes, I am sure"|@translate}';
+const cancel_msg = "{"No, I have changed my mind"|@translate}";
+$("#update_all").click(function() {
+  const title_msg = "{'Are you sure you want to update all extensions?'|@translate}";
+  $.confirm({
+      title: title_msg,
+      buttons: {
+        confirm: {
+          text: confirm_msg,
+          btnClass: 'btn-red',
+          action: function () {
+            updateAll();
+          }
+        },
+        cancel: {
+          text: cancel_msg
+        }
+      },
+      ...jConfirm_confirm_options
+    });
+})
+{/footer_script}
 
 <div class="titrePage">
   <h2>{'Updates'|@translate}</h2>
 </div>
 
 <div class="autoupdate_bar">
-<input type="submit" id="update_all" value="{'Update All'|@translate}" onClick="updateAll(); return false;">
+<input type="submit" id="update_all" value="{'Update All'|@translate}">
 <input type="submit" id="ignore_all" value="{'Ignore All'|@translate}" onClick="ignoreAll(); return false;">
 <input type="submit" id="reset_ignore" value="{'Reset ignored updates'|@translate}" onClick="resetIgnored(); return false;" {if !$SHOW_RESET}style="display:none;"{/if}>
 </div>
@@ -183,7 +210,7 @@ checkFieldsets();
         | {'By %s'|@translate:$plugin.AUTHOR}
       </td>
     </tr>
-    <tr>
+    <tr style="display:none;">
       <td></td>
       <td class="pluginDesc">
         <p id="revdesc_{$plugin.ID}" style="display:none;">{$plugin.REV_DESC|@htmlspecialchars|@nl2br}</p>
@@ -213,7 +240,7 @@ checkFieldsets();
         | <a href="#" onClick="ignoreExtension('themes', '{$theme.EXT_ID}'); return false;" class="ignoreExtension">{'Ignore this update'|@translate}</a>
       </td>
     </tr>
-    <tr>
+    <tr style="display:none;">
       <td>
         {'Version'|@translate} {$theme.CURRENT_VERSION}
       </td>
@@ -267,7 +294,7 @@ checkFieldsets();
         | {'By %s'|@translate:$language.AUTHOR}
       </td>
     </tr>
-    <tr>
+    <tr style="display:none;">
       <td></td>
       <td class="pluginDesc">
         <p id="revdesc_{$language.ID}" style="display:none;">{$language.REV_DESC|@htmlspecialchars|@nl2br}</p>
diff --git a/admin/themes/default/template/user_list.tpl b/admin/themes/default/template/user_list.tpl
index 407176313..e98109dcc 100644
--- a/admin/themes/default/template/user_list.tpl
+++ b/admin/themes/default/template/user_list.tpl
@@ -12,6 +12,9 @@
 {combine_script id='jquery.ui.slider' require='jquery.ui' load='footer' path='themes/default/js/ui/minified/jquery.ui.slider.min.js'}
 {combine_css path="themes/default/js/ui/theme/jquery.ui.slider.css"}
 
+{combine_script id='jquery.confirm' load='footer' require='jquery' path='themes/default/js/plugins/jquery-confirm.min.js'}
+{combine_css path="themes/default/js/plugins/jquery-confirm.min.css"}
+
 {footer_script}
 var selectedMessage_pattern = "{'%d of %d users selected'|translate|escape:javascript}";
 var selectedMessage_none = "{'No user selected of %d users'|translate|escape:javascript}";
@@ -22,6 +25,7 @@ var registeredOn_pattern = "{'Registered on %s, %s.'|translate|escape:javascript
 var lastVisit_pattern = "{'Last visit on %s, %s.'|translate|escape:javascript}";
 var missingConfirm = "{'You need to confirm deletion'|translate|escape:javascript}";
 var missingUsername = "{'Please, enter a login'|translate|escape:javascript}";
+let title_msg = '{'Are you sure you want to delete the user "%s"?'|@translate|escape:'javascript'}';
 
 var allUsers = [{$all_users}];
 var selection = [];
@@ -31,6 +35,11 @@ var protectedUsers = [{$protected_users}];
 var passwordProtectedUsers = [{$password_protected_users}];
 var guestUser = {$guest_user};
 
+
+const are_you_sure_msg  = '{'Are you sure?'|@translate|@escape:'javascript'}';
+const confirm_msg = '{'Yes, I am sure'|@translate|@escape}';
+const cancel_msg = '{'No, I have changed my mind'|@translate|@escape}';
+
 var truefalse = {
   'true':"{'Yes'|translate}",
   'false':"{'No'|translate}",
@@ -479,36 +488,44 @@ jQuery(document).on('click', '.close-user-details',  function(e) {
   });
 
   /* delete user */
-  jQuery(document).on('click', '.userDelete a',  function() {
-    if (!confirm("{/literal}{'Are you sure?'|translate|escape:javascript}{literal}")) {
-      return false;
-    }
-
+  
+  $(document).on('click', '.userDelete a', function () {
     var userId = jQuery(this).data('user_id');
     var username = jQuery('#user'+userId+' .username').html();
-
-    jQuery.ajax({
-      url: "ws.php?format=json&method=pwg.users.delete",
-      type:"POST",
-      data: {
-        user_id:userId,
-        pwg_token:pwg_token
+    $.confirm({
+      title: title_msg.replace('%s', username),
+      buttons: {
+        confirm: {
+          text: confirm_msg,
+          btnClass: 'btn-red',
+          action: function () {
+            jQuery.ajax({
+              url: "ws.php?format=json&method=pwg.users.delete",
+              type:"POST",
+              data: {
+                user_id:userId,
+                pwg_token:pwg_token
+              },
+              beforeSend: function() {
+                jQuery('#user'+userId+' .userDelete .loading').show();
+              },
+              success:function(data) {
+                jQuery('.user_form_popin').colorbox.close();
+                jQuery('#showAddUser .infos').html('&#x2714; User '+username+' deleted').show();
+              },
+              error:function(XMLHttpRequest, textStatus, errorThrows) {
+                jQuery('#user'+userId+' .userDelete .loading').hide();
+              }
+            })
+          }
+        },
+        cancel: {
+          text: cancel_msg
+        }
       },
-      beforeSend: function() {
-        jQuery('#user'+userId+' .userDelete .loading').show();
-      },
-      success:function(data) {
-        jQuery('.user_form_popin').colorbox.close();
-        jQuery('#showAddUser .infos').html('&#x2714; User '+username+' deleted').show();
-      },
-      error:function(XMLHttpRequest, textStatus, errorThrows) {
-        jQuery('#user'+userId+' .userDelete .loading').hide();
-      }
+      ...jConfirm_confirm_options
     });
-
-    return false;
   });
-
   jQuery(document).on('click', '.userProperties input[type=submit]',  function() {
     var userId = jQuery(this).data('user_id');
 
diff --git a/admin/themes/default/theme.css b/admin/themes/default/theme.css
index ca63ded32..c0c66bf0d 100644
--- a/admin/themes/default/theme.css
+++ b/admin/themes/default/theme.css
@@ -637,6 +637,19 @@ LI.menuLi {
   cursor: pointer;
 }
 
+.dropdown-option-content {
+  white-space: nowrap;
+  display: block;
+  text-align: initial;
+  padding: 5px 10px;
+  padding-right: 10px;
+  font-size: 13px;
+  padding-right: 15px;
+  color: white;
+  font-weight: 600;
+  cursor: pointer;
+}
+
 .dropdown-option:hover {
   text-decoration: none;
   color: white;
@@ -1964,9 +1977,9 @@ h2:lang(en) { text-transform:capitalize; }
   border-bottom-right-radius:5px;
   margin-left: 0;
   box-shadow: 0px 0px 5px #acacac;
- }
-
- .pluginContent {
+}
+.pluginMiniBox a:hover { color: white ;}
+.pluginContent {
   width: 100%;
   text-align: left;
   background-color: #fafafa;
@@ -3874,6 +3887,9 @@ input:checked + .slider:before {
   font-size: 20px !important;
 }
 
+.jconfirm-title {
+  line-height: 1.5em;
+}
 
 .jconfirm-buttons .btn {
   text-transform: none !important;
diff --git a/language/en_UK/admin.lang.php b/language/en_UK/admin.lang.php
index 191ac374f..f77a31a23 100644
--- a/language/en_UK/admin.lang.php
+++ b/language/en_UK/admin.lang.php
@@ -1055,4 +1055,20 @@ $lang['Tag Manager'] = 'Tag Manager';
 $lang['No tag found'] = 'No tag found';
 $lang['Manage album photos'] = 'Manage album photos';
 $lang['Manage sub-albums'] = 'Manage sub-albums';
-$lang['Delete album'] = 'Delete album';
\ No newline at end of file
+$lang['Delete album'] = 'Delete album';
+$lang['Are you sure you want to delete this site?'] = 'Are you sure you want to delete this site?';
+$lang['Yes, I am sure'] = 'Yes, I am sure';
+$lang['Are you sure you want to delete this theme?'] = 'Are you sure you want to delete this theme?';
+$lang['Are you sure you want to restore this plugin?'] = 'Are you sure you want to restore this plugin?';
+$lang['Are you sure you want to delete this?'] = 'Are you sure you want to delete this?';
+$lang['Are you sure you want to restore to default settings?'] = 'Are you sure you want to restore to default settings?';
+$lang['Are you sure you want to delete the ratings of the user "%s"?'] = 'Are you sure you want to delete the ratings of the user "%s"?';
+$lang['Are you sure you want to install the plugin "%s"?'] = 'Are you sure you want to install the plugin "%s"?';
+$lang['Are you sure you want to delete the plugin "%s"?'] = 'Are you sure you want to delete the plugin "%s"?';
+$lang['Are you sure you want to restore the plugin "%s"?'] = 'Are you sure you want to restore the plugin "%s"?';
+$lang['Are you sure you want to delete all sizes?'] = 'Are you sure you want to delete all sizes?';
+$lang['Are you sure you want to lock the gallery?'] = 'Are you sure you want to lock the gallery?';
+$lang['Are you sure you want to delete the language "%s"?'] = 'Are you sure you want to delete the language "%s"?';
+$lang['Are you sure you want to delete the theme "%s"?'] = 'Are you sure you want to delete the theme "%s"?';
+$lang['Are you sure you want to update all extensions?'] = 'Are you sure you want to update all extensions?';
+$lang['Are you sure you want to delete the user "%s"?'] = 'Are you sure you want to delete the user "%s"?';
diff --git a/language/fr_FR/admin.lang.php b/language/fr_FR/admin.lang.php
index 61f28bac6..e2a7de64b 100644
--- a/language/fr_FR/admin.lang.php
+++ b/language/fr_FR/admin.lang.php
@@ -458,9 +458,9 @@ $lang['Plugin list'] = "Liste des plugins";
 $lang['Check for updates'] = "Rechercher les mises à jour";
 $lang['Other plugins'] = "Autres plugins disponibles";
 $lang['Last revisions'] = "Dernières révisions";
-$lang['Are you sure you want to delete this plugin?'] = "Etes-vous sûr de vouloir supprimer ce plugin?";
-$lang['Are you sure you want to install this plugin?'] = "Etes-vous sûr de vouloir installer ce plugin?";
-$lang['Are you sure to install this upgrade? You must verify if this version does not need uninstallation.'] = "Etes-vous sur de vouloir installer cette mise à jour? Vous devez vérifiez que cette mise à jour ne nécessite pas de désinstallation préalable.";
+$lang['Are you sure you want to delete this plugin?'] = "Êtes-vous sûr de vouloir supprimer ce plugin?";
+$lang['Are you sure you want to install this plugin?'] = "Êtes-vous sûr de vouloir installer ce plugin?";
+$lang['Are you sure to install this upgrade? You must verify if this version does not need uninstallation.'] = "Êtes-vous sur de vouloir installer cette mise à jour? Vous devez vérifiez que cette mise à jour ne nécessite pas de désinstallation préalable.";
 $lang['Plugin has been successfully copied'] = "Le plugin a été copié avec succès.";
 $lang['Can\'t create temporary file.'] = "Impossible de créer un fichier temporaire.";
 $lang['Can\'t download archive.'] = "Impossible de télécharger l'archive.";
@@ -701,7 +701,7 @@ $lang['THIS PLUGIN IS NOW PART OF PIWIGO CORE! DELETE IT NOW.'] = 'CE PLUGIN FAI
 $lang['ERROR: THIS PLUGIN IS MISSING BUT IT IS INSTALLED! UNINSTALL IT NOW.'] = 'ERREUR: CE PLUGIN EST MANQUANT MAIS TOUJOURS INSTALLÉ! DÉSINSTALLEZ-LE.';
 $lang['display'] = 'Afficher';
 $lang['Restore'] = "Restaurer";
-$lang['Restore default configuration. You will lose your plugin settings!'] = "Restaurer la configuration par défaut? Vous perdrez vos réglages personnels !";
+$lang['Restore default configuration. You will lose your plugin settings!'] = "Restaurer la configuration par défaut ? Vous perdrez vos réglages personnels&nbsp!";
 $lang['Thumbnails generation in progress...'] = 'Génération des miniatures en cours...';
 $lang['Photos generation in progress...'] = 'Génération des photos en cours...';
 $lang['%s photos have been regenerated'] = '%s photos ont été régénérées';
@@ -1021,8 +1021,6 @@ $lang['in gallery'] = 'dans la galerie';
 $lang['in administration'] = 'dans l\'administration';
 $lang['Displays a banner to install or open the official Piwigo app'] = 'Affiche une bannière pour installer et/ou ouvrir l\'application mobile officielle Piwigo';
 $lang['Search albums'] = 'Rechercher des albums';
-
-
 $lang['You have %d orphan tags %s'] = 'Vous avez %d tag(s) orphelin(s) %s';
 $lang['Review'] = 'Examiner';
 $lang['You have %s1 orphan : %s2'] = 'Vous avez %s1 orphelin(s) : %s2';
@@ -1059,4 +1057,20 @@ $lang['Tag Manager'] = 'Gestionnaire de tags';
 $lang['No tag found'] = 'Pas de tag trouvé';
 $lang['Manage album photos'] = 'Gérer les photos de l\'album';
 $lang['Manage sub-albums'] = 'Gérer les sous-albums';
-$lang['Delete album'] = 'Supprimer l\'album';
\ No newline at end of file
+$lang['Delete album'] = 'Supprimer l\'album';
+$lang['Are you sure you want to delete this site?'] = 'Êtes-vous sûr de supprimer ce site&nbsp?';
+$lang['Yes, I am sure'] = 'Oui, je suis sûr';
+$lang['Are you sure you want to delete this theme?'] = 'Êtes-vous sûr de supprimer ce thème&nbsp?';
+$lang['Are you sure you want to restore this plugin?'] = 'Êtes-vous sûr de restaurer ce plugin&nbsp?';
+$lang['Are you sure you want to delete this?'] = 'Êtes-vous sûr de supprimer cela&nbsp?';
+$lang['Are you sure you want to restore to default settings?'] = 'Êtes-vous sûr de vouloir rétablir les valeurs par défaut&nbsp?';
+$lang['Are you sure you want to delete the ratings of the user "%s"?'] = 'Êtes-vous sûr de vouloir supprimer les notations de l\'utilisateur "%s"&nbsp?';
+$lang['Are you sure you want to install the plugin "%s"?'] = 'Êtes-vous sûr de vouloir installer le plugin "%s"&nbsp?';
+$lang['Are you sure you want to delete the plugin "%s"?'] = 'Êtes-vous sûr de vouloir supprimer le plugin "%s"&nbsp?';
+$lang['Are you sure you want to restore the plugin "%s"?'] = 'Êtes-vous sûr de vouloir restaurer le plugin "%s"&nbsp?';
+$lang['Are you sure you want to delete all sizes?'] = 'Êtes-vous sûr de vouloir supprimer toutes les tailles&nbsp?';
+$lang['Are you sure you want to lock the gallery?'] = 'Êtes-vous sûr de vouloir verrouiller la galerie&nbsp?';
+$lang['Are you sure you want to delete the language "%s"?'] = 'Êtes-vous sûr de vouloir supprimer la langue "%s"&nbsp?';
+$lang['Are you sure you want to delete the theme "%s"?'] = 'Êtes-vous sûr de vouloir supprimer le thème "%s"&nbsp?';
+$lang['Are you sure you want to update all extensions?'] = 'Êtes-vous sûr de vouloir mettre à jour toutes les extensions&nbsp?';
+$lang['Are you sure you want to delete the user "%s"?'] = 'Êtes-vous sûr de vouloir supprimer l\'utilisateur "%s"&nbsp?';