diff --git a/container/contents.pt b/container/contents.pt
index f141cae..6756aa6 100644
--- a/container/contents.pt
+++ b/container/contents.pt
@@ -49,7 +49,11 @@
 
         <thead>
           <tr>
-            <th>&nbsp;</th>
+            <th style="margin:0; padding:0">
+              <input type="checkbox" class="noborder" title="Select all items"
+                     i18n:attributes="title"
+                     onclick="f = document.forms[0]['ids:list'];
+                              for (i in f) f[i].checked=this.checked;" /></th>
             <th i18n:translate="">Name</th>
             <th i18n:translate="">Title</th>
             <th i18n:translate="">Size</th>
@@ -80,8 +84,7 @@
                           id_quoted item/id/url:quote"
               tal:attributes="class python:oddrow and 'even' or 'odd'" >
             <td>
-              <input type="checkbox" class="noborder" name="ids:list" id="#"
-                     value="#"
+              <input type="checkbox" class="noborder" name="ids:list"
                      tal:attributes="value item/id;
                                      id item/cb_id;
                                      checked request/ids_checked|nothing;"/>