diff --git a/kfet/templates/kfet/history.html b/kfet/templates/kfet/history.html
index d8db7032..c7405435 100644
--- a/kfet/templates/kfet/history.html
+++ b/kfet/templates/kfet/history.html
@@ -3,9 +3,11 @@
 {% load l10n %}
 
 {% block extra_head %}
+<link rel="stylesheet" type="text/css" href="{% static 'kfet/css/jquery-ui.min.css' %}">
 <link rel="stylesheet" type="text/css" href="{% static 'bootstrap-datetimepicker.min.css' %}">
 <link rel="stylesheet" type="text/css" href="{% static 'kfet/css/multiple-select.css' %}">
 <script type="text/javascript" src="{% static 'kfet/js/js.cookie.js' %}"></script>
+<script type="text/javascript" src="{% static 'kfet/js/jquery-ui.min.js' %}"></script>
 <script type="text/javascript" src="{% static 'kfet/js/jquery-confirm.js' %}"></script>
 <script type="text/javascript" src="{% static 'moment.js' %}"></script>
 <script type="text/javascript" src="{% static 'moment-fr.js' %}"></script>
@@ -133,6 +135,120 @@ $(document).ready(function() {
         getHistory();
     });
 
+    khistory.$container.selectable({
+        filter: 'div.opegroup, div.ope',
+        selected: function(e, ui) {
+            $(ui.selected).each(function() {
+                if ($(this).hasClass('opegroup')) {
+                    var opegroup = $(this).data('opegroup');
+                    $(this).siblings('.ope').filter(function() {
+                        return $(this).data('opegroup') == opegroup
+                    }).addClass('ui-selected');
+                }
+            });
+        },
+    });
+
+    $(document).on('keydown', function (e) {
+        if (e.keyCode == 46) {
+            // DEL (Suppr)
+            var opes_to_cancel = [];
+            khistory.$container.find('.ope.ui-selected').each(function () {
+                opes_to_cancel.push($(this).data('ope'));
+            });
+            if (opes_to_cancel.length > 0)
+                confirmCancel(opes_to_cancel);
+        }
+    });
+
+    function confirmCancel(opes_to_cancel) {
+        var nb = opes_to_cancel.length;
+        var content = nb+" opérations vont être annulées";
+        $.confirm({
+            title: 'Confirmation',
+            content: content,
+            backgroundDismiss: true,
+            animation: 'top',
+            closeAnimation: 'bottom',
+            keyboardEnabled: true,
+            confirm: function() {
+                cancelOperations(opes_to_cancel);
+            }
+        });
+    }
+
+    function requestAuth(data, callback) {
+        var content = getErrorsHtml(data);
+        content += '<input type="password" name="password" autofocus>',
+        $.confirm({
+            title: 'Authentification requise',
+            content: content,
+            backgroundDismiss: true,
+            animation:'top',
+            closeAnimation:'bottom',
+            keyboardEnabled: true,
+            confirm: function() {
+                var password = this.$content.find('input').val();
+                callback(password);
+            },
+            onOpen: function() {
+                var that = this;
+                this.$content.find('input').on('keypress', function(e) {
+                    if (e.keyCode == 13)
+                        that.$confirmButton.click();
+                });
+            },
+        });
+    }
+
+    function getErrorsHtml(data) {
+        var content = '';
+        if ('missing_perms' in data['errors']) {
+            content += 'Permissions manquantes';
+            content += '<ul>';
+            for (var i=0; i<data['errors']['missing_perms'].length; i++)
+                content += '<li>'+data['errors']['missing_perms'][i]+'</li>';
+            content += '</ul>';
+        }
+        if ('negative' in data['errors'])
+            content += '<a class="btn btn-primary" href="/k-fet/accounts/'+account_data['trigramme']+'/edit" target="_blank">Autorisation de négatif requise</a>';
+        return content;
+    }
+
+    function cancelOperations(opes_array, password = '') {
+        var data = { 'operations' : opes_array }
+        $.ajax({
+            dataType: "json",
+            url     : "{% url 'kfet.kpsul.cancel_operations' %}",
+            method  : "POST",
+            data    : data,
+            beforeSend: function ($xhr) {
+                $xhr.setRequestHeader("X-CSRFToken", csrftoken);
+                if (password != '')
+                    $xhr.setRequestHeader("KFetPassword", password);
+            },
+
+        })
+        .done(function(data) {
+            khistory.$container.find('.ui-selected').removeClass('ui-selected');
+        })
+        .fail(function($xhr) {
+            var data = $xhr.responseJSON;
+            switch ($xhr.status) {
+                case 403:
+                    requestAuth(data, function(password) {
+                        cancelOperations(opes_array, password);
+                    });
+                    break;
+                case 400:
+                    displayErrors(getErrorsHtml(data));
+                    break;
+            }
+
+        });
+    }
+
+
     getHistory();
 });
 </script>
diff --git a/kfet/templates/kfet/kpsul.html b/kfet/templates/kfet/kpsul.html
index c5153f78..2b64c8d5 100644
--- a/kfet/templates/kfet/kpsul.html
+++ b/kfet/templates/kfet/kpsul.html
@@ -1065,11 +1065,12 @@ $(document).ready(function() {
         filter: 'div.opegroup, div.ope',
         selected: function(e, ui) {
             $(ui.selected).each(function() {
-                if ($(this).hasClass('opegroup'))
+                if ($(this).hasClass('opegroup')) {
                     var opegroup = $(this).data('opegroup');
                     $(this).siblings('.ope').filter(function() {
                         return $(this).data('opegroup') == opegroup
                     }).addClass('ui-selected');
+                }
             });
         },
     });