diff --git a/lib/Alchemy/Phrasea/Controller/Admin/Description.php b/lib/Alchemy/Phrasea/Controller/Admin/Description.php
index 2895be87f0..7c2ca179a1 100644
--- a/lib/Alchemy/Phrasea/Controller/Admin/Description.php
+++ b/lib/Alchemy/Phrasea/Controller/Admin/Description.php
@@ -179,7 +179,6 @@ class Description implements ControllerProviderInterface
                                 $field->set_name($request->get('name_' . $id));
                                 $field->set_thumbtitle($request->get('thumbtitle_' . $id));
                                 $field->set_tag(\databox_field::loadClassFromTagName($request->get('src_' . $id)));
-                                $field->set_multi($request->get('multi_' . $id));
                                 $field->set_business($request->get('business_' . $id));
                                 $field->set_indexable($request->get('indexable_' . $id));
                                 $field->set_required($request->get('required_' . $id));
@@ -215,7 +214,7 @@ class Description implements ControllerProviderInterface
                     }
 
                     if ($request->get('newfield')) {
-                        $field = \databox_field::create($databox, $request->get('newfield'));
+                        $field = \databox_field::create($databox, $request->get('newfield'), $request->get('newfield_multi'));
                     }
 
                     if (is_array($request->get('todelete_ids'))) {
diff --git a/lib/classes/caption/field.class.php b/lib/classes/caption/field.class.php
index 077d81eeda..21876ffa2d 100644
--- a/lib/classes/caption/field.class.php
+++ b/lib/classes/caption/field.class.php
@@ -337,74 +337,6 @@ class caption_field implements cache_cacheableInterface
         return;
     }
 
-    protected static function merge_metadatas(databox_field $databox_field, record_adapter $record)
-    {
-        $sql = 'SELECT record_id, id, value FROM metadatas
-              WHERE meta_struct_id = :meta_struct_id
-                AND record_id = :record_id';
-
-        $params = array(
-            ':meta_struct_id' => $databox_field->get_id(),
-            ':record_id'      => $record->get_record_id()
-        );
-
-        $stmt = $databox_field->get_databox()->get_connection()->prepare($sql);
-        $stmt->execute($params);
-        $rs = $stmt->fetchAll(PDO::FETCH_ASSOC);
-        $stmt->closeCursor();
-        unset($stmt);
-
-        $values = $current_metadatas = array();
-
-        foreach ($rs as $row) {
-            $current_metadatas[] = array(
-                'meta_id'        => $row['id']
-                , 'meta_struct_id' => $databox_field->get_id()
-                , 'value'          => ''
-            );
-
-            $values[] = $row['value'];
-        }
-
-        try {
-            $record = $databox_field->get_databox()->get_record($record->get_record_id());
-            $record->set_metadatas($current_metadatas);
-            $record->set_metadatas(array(array(
-                    'meta_id'        => null
-                    , 'meta_struct_id' => $databox_field->get_id()
-                    , 'value'          => implode(' ; ', $values)
-                )));
-
-            unset($record);
-        } catch (Exception $e) {
-
-        }
-
-        return;
-    }
-
-    public static function merge_all_metadatas(databox_field $databox_field)
-    {
-        $sql = 'SELECT distinct record_id FROM metadatas
-              WHERE meta_struct_id = :meta_struct_id ';
-
-        $params = array(
-            ':meta_struct_id' => $databox_field->get_id()
-        );
-
-        $stmt = $databox_field->get_databox()->get_connection()->prepare($sql);
-        $stmt->execute($params);
-        $rs = $stmt->fetchAll(PDO::FETCH_ASSOC);
-        $stmt->closeCursor();
-        unset($stmt);
-
-        foreach ($rs as $row) {
-            self::merge_metadatas($databox_field, $databox_field->get_databox()->get_record($row['record_id']));
-        }
-
-        return;
-    }
-
     public static function delete_all_metadatas(databox_field $databox_field)
     {
         $sql = 'SELECT count(id) as count_id FROM metadatas
diff --git a/lib/classes/databox.class.php b/lib/classes/databox.class.php
index 2fce7fdb7a..0f84bc5883 100644
--- a/lib/classes/databox.class.php
+++ b/lib/classes/databox.class.php
@@ -858,7 +858,7 @@ class databox extends base
                     )
                 ) ? $type : databox_field::TYPE_STRING;
 
-            $meta_struct_field = databox_field::create($this, $fname);
+            $meta_struct_field = databox_field::create($this, $fname, false);
             $meta_struct_field
                 ->set_readonly(isset($field['readonly']) ? $field['readonly'] : 0)
                 ->set_indexable(isset($field['index']) ? $field['index'] : '1')
@@ -867,7 +867,6 @@ class databox extends base
                 ->set_type($type)
                 ->set_tbranch(isset($field['tbranch']) ? $field['tbranch'] : '')
                 ->set_thumbtitle(isset($field['thumbtitle']) ? $field['thumbtitle'] : (isset($field['thumbTitle']) ? $field['thumbTitle'] : '0'))
-                ->set_multi(isset($field['multi']) ? $field['multi'] : 0)
                 ->set_report(isset($field['report']) ? $field['report'] : '1')
                 ->save();
 
diff --git a/lib/classes/databox/field.class.php b/lib/classes/databox/field.class.php
index f1d54cc29d..bf8fab28aa 100644
--- a/lib/classes/databox/field.class.php
+++ b/lib/classes/databox/field.class.php
@@ -104,7 +104,6 @@ class databox_field implements cache_cacheableInterface
      */
     protected $Business;
     protected $renamed = false;
-    protected $metaToMerge = false;
 
     /**
      *
@@ -365,11 +364,6 @@ class databox_field implements cache_cacheableInterface
             $this->renamed = false;
         }
 
-        if ($this->metaToMerge) {
-            caption_field::merge_all_metadatas($this);
-            $this->metaToMerge = false;
-        }
-
         $dom_struct = $this->databox->get_dom_structure();
         $xp_struct = $this->databox->get_xpath_structure();
 
@@ -595,26 +589,6 @@ class databox_field implements cache_cacheableInterface
         return $this;
     }
 
-    /**
-     *
-     * @param  boolean       $bool
-     * @return databox_field
-     */
-    public function set_multi($multi)
-    {
-        $multi = ! ! $multi;
-
-        if ($this->multi !== $multi && ! $multi) {
-            $this->metaToMerge = true;
-        }
-
-        $this->multi = $multi;
-
-        $this->set_separator(';');
-
-        return $this;
-    }
-
     /**
      *
      * @param  boolean       $bool
@@ -804,7 +778,7 @@ class databox_field implements cache_cacheableInterface
         return $this->on_error;
     }
 
-    public static function create(databox $databox, $name)
+    public static function create(databox $databox, $name, $multi)
     {
         $sorter = 0;
 
@@ -822,7 +796,7 @@ class databox_field implements cache_cacheableInterface
           `thumbtitle`, `multi`, `business`,
           `report`, `sorter`)
         VALUES (null, :name, '', 0, 1, 'string', '',
-          null, 0,
+          null, :multi,
           0, 1, :sorter)";
 
         $name = self::generateName($name);
@@ -831,8 +805,10 @@ class databox_field implements cache_cacheableInterface
             throw new \Exception_InvalidArgument();
         }
 
+        $multi = $multi ? 1 : 0;
+
         $stmt = $databox->get_connection()->prepare($sql);
-        $stmt->execute(array(':name'   => $name, ':sorter' => $sorter));
+        $stmt->execute(array(':name'   => $name, ':sorter' => $sorter, ':multi' => $multi));
         $id = $databox->get_connection()->lastInsertId();
         $stmt->closeCursor();
 
diff --git a/templates/web/admin/databox/doc_structure.twig b/templates/web/admin/databox/doc_structure.twig
index e2f480222c..bb4ab22d28 100644
--- a/templates/web/admin/databox/doc_structure.twig
+++ b/templates/web/admin/databox/doc_structure.twig
@@ -4,7 +4,7 @@
         {% set disabled = 'disabled="disabled"' %}
     {% endif %}
     <select class="metafield_{{ selected_field.get_id() }} dces_selector" {{ disabled }} name="dces_{{ selected_field.get_id() }}">
-        <option>{% trans 'choisir' %}</option>
+        <option value="">{% trans 'choisir' %}</option>
         {% for field in available_dc_sources %}
             <option value="{{ field.get_label() }}" {% if selected_field.get_dces_element() != null and selected_field.get_dces_element().get_label() == field.get_label() %}selected="selected"{% endif %}>
             DC:{{ field.get_label() }}
@@ -22,203 +22,6 @@
     <option value="ar" {% if title == 'ar' %}selected="selected"{% endif %}>{% trans 'Arabe' %}</option>
 {% endmacro %}
 
-<html>
-    <head>
-        <link type="text/css" rel="stylesheet" href="/include/minify/f=include/jslibs/yui2.8/build/reset/reset.css,include/jslibs/jquery-ui-1.8.17/css/ui-lightness/jquery-ui-1.8.17.custom.css,include/jslibs/jquery-treeview/jquery.treeview.css,skins/common/main.css,skins/admin/admincolor.css" />
-        <script type="text/javascript" src="/include/jslibs/jquery-1.7.1.js"></script>
-        <script type="text/javascript" src="/include/jslibs/jquery-ui-1.8.17/js/jquery-ui-1.8.17.custom.min.js"></script>
-        <script type="text/javascript" src="/include/jquery.tooltip.js"></script>
-        <style>
-            body{
-                font-size:12px;
-            }
-            .ui-autocomplete {
-            max-height: 200px;
-            max-width: 400px;
-            overflow-y: auto;
-            /* prevent horizontal scrollbar */
-            overflow-x: hidden;
-            /* add padding to account for vertical scrollbar */
-            padding-right: 20px;
-            }
-            /** IE 6 doesn't support max-height
-             *  we use height instead, but this forces the menu to always be this tall
-             */
-            * html .ui-autocomplete {
-            height: 200px;
-            }
-            .ui-autocomplete-loading { background: white url('/skins/icons/ui-anim_basic_16x16.gif') right center no-repeat; }
-            .alertTips{
-            cursor:help;
-            }
-            .alert{
-            vertical-align: baseline;
-            }
-        </style>
-        <script type="text/javascript">
-            $(document).ready(function(){
-
-                $( "#field_chooser" ).autocomplete({
-                    source: "/admin/description/metadatas/search/",
-                    minLength: 2,
-                    select: function( event, ui ) {
-                        $('#current_field_label').val(ui.item.value);
-                    }
-                });
-
-                var buttons = {};
-                var dialog = $('#field_changer');
-                buttons['{% trans 'boutton::annuler' %}'] = function(){
-                    $('#field_changer').dialog('close');
-                };
-                
-                $('#tag_remover').bind('click', function(){
-                    $('#current_field_label').val('');
-                });
-                
-                buttons['{% trans 'boutton::valider' %}'] = function(){
-                    var field_id = $('input[name="field_id"]', dialog).val();
-                    $('#field_changer').dialog('close');
-
-                    $('#display_value_'+field_id).empty().append($('#current_field_label').val());
-                    $('input[name="src_'+field_id+'"]').val($('#current_field_label').val());
-                    $('input[name="src_'+field_id+'"]').trigger('change');
-                    $('.metafield_'+field_id).removeAttr('disabled');
-                };
-                $('#field_changer').dialog({
-                    modal:true,
-                    buttons : buttons
-                }).dialog('close');
-
-                $('a.field_change').bind('click', function(){
-                    $('#field_chooser').val('');
-                    var field_id = $('input',this).val();
-                    $('#current_field_label').val( $('input[name="src_'+field_id+'"]').val());
-                    $('input[name="field_id"]', dialog).val(field_id);
-                    dialog.dialog().dialog('open');
-
-                    return false;
-                });
-
-                $('.alertTips').tooltip();
-
-                $('button.struct_saver').bind('click', function(){
-                    $('#form_struct').submit();
-                });
-
-                var buttons = {};
-                var dialog_adder = $('#field_adder');
-                    buttons['{% trans 'boutton::annuler' %}'] = function(){
-                    $('#field_adder').dialog('close');
-                };
-                buttons['{% trans 'boutton::valider' %}'] = function(){
-                    $('#newfield').val($('#field_adder input[name="newfield_name"]').val());
-                    $('#field_adder').dialog('close');
-                    $('#form_struct').submit();
-                };
-                $('#field_adder').dialog({
-                    modal:true,
-                    buttons : buttons
-                }).dialog('close');
-
-                $('.field_adder').bind('click', function(){
-                    dialog_adder.dialog().dialog('open');
-                });
-
-                $('.meta_deleter').bind('click', function(){
-                    if(confirm('{% trans 'Etes vous sur de vouloir supprimer cette metadonnee ? Elle sera definitivement perdue' %}'))
-                    {
-                        var field = $('input[name="field_ids[]"]', $(this).parent());
-                        var field_id = $('input', $(this)).val();
-                        field.attr('name', 'todelete_ids[]');
-                        $('.metafield_'+field_id).attr('disabled', 'disabled');
-                    }
-                });
-
-
-                $('.dces_selector').bind('change', function(event){
-                    if($.trim($(this).val()) === '') {
-                        return;
-                    }
-                    var $this = $(this);
-                    var $others = $('.dces_selector option[value="'+$this.val()+'"]:selected');
-                    if($others.length > 1)
-                    {
-                        var other_name = $($others.get(0)).closest('tr').find('input.meta_namer').val();
-
-                        $('#warning_dialog').html("<p>{% trans 'Attention, deux champs ne peuvent représenter le meme element Dublin Core.' %}<br/><br/>{% trans 'La precedente attribution a ete desactivee' %} </p><p style='margin-top:10px;text-align:center;font-weight:bold;'>"+other_name+'</p>').dialog({modal:true});
-                        $others.each(function(i, el){
-                        var $parent = $(el).parent();
-                        if($parent.attr('name') !== $this.attr('name'))
-                            $parent.val('');
-                        });
-
-                        return false;
-                    }
-                });
-
-                $('.meta_multi, .meta_src').bind('change', function(){
-                    var id = $(this).attr('name').split('_').pop();
-
-                    $.ajax({
-                        type: "GET",
-                        url: "/admin/fields/checkmulti/",
-                        dataType: 'json',
-                        data: {
-                        multi : $('input[name="multi_'+id+'"]').attr('checked'),
-                        source : $('input[name="src_'+id+'"]').val()
-                        },
-                        error: function(){
-                        return;
-                        },
-                        timeout: function(){
-                        return;
-                        },
-                        success: function(data){
-                        var $parent = $('input[name="multi_'+id+'"]').parent();
-                        $('.alert', $parent).hide();
-                        if(data.result === false && data.is_multi === true)
-                            $('.alert_is_multi', $parent).show();
-                        else if(data.result === false && data.is_multi === false)
-                            $('.alert_not_multi', $parent).show();
-                        }
-                    });
-
-                });
-
-
-                $('.meta_readonly, .meta_src').bind('change', function(){
-                    var id = $(this).attr('name').split('_').pop();
-
-                    $.ajax({
-                        type: "GET",
-                        url: "/admin/fields/checkreadonly/",
-                        dataType: 'json',
-                        data: {
-                            readonly : $('input[name="readonly_'+id+'"]').attr('checked'),
-                            source : $('input[name="src_'+id+'"]').val()
-                        },
-                        error: function(){
-                            return;
-                        },
-                        timeout: function(){
-                            return;
-                        },
-                        success: function(data){
-                            var $parent = $('input[name="readonly_'+id+'"]').parent();
-                            $('.alert', $parent).hide();
-                            if(data.result === false && data.is_readonly === true)
-                                $('.alert_is_readonly', $parent).show();
-                            else if(data.result === false && data.is_readonly === false)
-                                $('.alert_not_readonly', $parent).show();
-                        }
-                    });
-
-                });
-            });
-        </script>
-    </head>
-    <body style="overflow-x:scroll;">
         <div id="warning_dialog" style="display:none" title="{% trans 'Attention !' %}" >
         </div>
         <div style="display:none" id="field_changer">
@@ -227,8 +30,21 @@
             <button id="tag_remover">{% trans 'Delete' %}</button>
             <input name="field_id" type="hidden" value=""/>
         </div>
-        <div style="display:none" id="field_adder">
-            <input name="newfield_name" type="text"/>
+        <div style="display:none" id="field_adder" title="{% trans 'Add a field' %}">
+            <div>
+                <label for="input_new_field_name">
+                    <input name="newfield_name" type="text" id="input_new_field_name"/>
+                    {% trans 'New field name' %}
+                </label>
+            </div>
+            <div>
+                <label class="checkbox" for="input_new_field_multi">
+                    <input type="checkbox" name="newfield_multi" value="1" type="text" id="input_new_field_multi"/>
+                    {% trans 'This field is multi-valued' %} *
+                </label>
+            </div>
+            <br/>
+            <blockquote>* {% trans 'This can not be changed' %}</blockquote>
         </div>
         <div>
             <button class="field_adder">
@@ -238,6 +54,7 @@
         </div>
         <form action="/admin/description/{{ databox.get_sbas_id() }}/" method="post" target="_self" id="form_struct">
             <input name="newfield" id="newfield" type="hidden" />
+             <input name="newfield_multi" id="newfield_multi" type="hidden" />
             <table class="admintable">
                 <thead>
                     <tr>
@@ -283,10 +100,10 @@
                         <td>
                             {{ _self.dces_selector(available_dc_fields, field) }}
                         </td>
-                        <td>
-                            <input class="meta_multi metafield_{{ field.get_id() }}" {{ disabled }} name="multi_{{ field.get_id() }}" type="checkbox" {% if field.is_multi() %}checked="checked"{% endif %}/>
-                            <img class="alert alertTips alert_not_multi" src="/skins/icons/alert.png" title="{% trans 'Attention, la source descriptive selectionne n\'est pas multivaluee, vous devriez decocher cette case' %}" style="display:none;" />
-                            <img class="alert alertTips alert_is_multi" src="/skins/icons/alert.png" title="{% trans 'Attention, la source descriptive selectionne est multivaluee, vous devriez cocher cette case' %}" style="display:none;" />
+                        <td style="text-align:center;" class="multi_{{ field.get_id() }}">
+                            {% if field.is_multi() %}<img src="/skins/icons/ok.png"/>{% endif %}
+                            <img class="alert alertTips alert_not_multi" src="/skins/icons/alert.png" title="{% trans 'Attention, la source descriptive selectionne n\'est pas multivaluee' %}" style="display:none;" />
+                            <img class="alert alertTips alert_is_multi" src="/skins/icons/alert.png" title="{% trans 'Attention, la source descriptive selectionne est multivaluee' %}" style="display:none;" />
                         </td>
                         <td>
                             <input class="metafield_{{ field.get_id() }}" {{ disabled }} name="indexable_{{ field.get_id() }}" type="checkbox" {% if field.is_indexable() %}checked="checked"{% endif %}/>
@@ -346,5 +163,232 @@
             </table>
             <button type="submit">Submit</button>
         </form>
-    </body>
-</html>
+        <style>
+            body{
+                font-size:12px;
+            }
+            .ui-autocomplete {
+            max-height: 200px;
+            max-width: 400px;
+            overflow-y: auto;
+            /* prevent horizontal scrollbar */
+            overflow-x: hidden;
+            /* add padding to account for vertical scrollbar */
+            padding-right: 20px;
+            }
+            /** IE 6 doesn't support max-height
+             *  we use height instead, but this forces the menu to always be this tall
+             */
+            * html .ui-autocomplete {
+            height: 200px;
+            }
+            .ui-autocomplete-loading { background: white url('/skins/icons/ui-anim_basic_16x16.gif') right center no-repeat; }
+            .alertTips{
+            cursor:help;
+            }
+            .alert{
+            vertical-align: baseline;
+            }
+        </style>
+        <script type="text/javascript">
+            $(document).ready(function(){
+                var container = $('#right-ajax');
+
+                $('#form_struct').bind('submit', function(){
+
+                    var $this = $(this),
+                    datas = $this.serializeArray(),
+                    method = $this.attr('method') ? $this.attr('method') : 'GET',
+                    url = $this.attr('action');
+
+                    container.empty().addClass('loading');
+
+                    $.ajax({
+                        type: method,
+                        url: url,
+                        dataType: 'html',
+                        data: datas,
+                        error: function(){
+                            container.removeClass('loading');
+                            return;
+                        },
+                        timeout: function(){
+                            container.removeClass('loading');
+                            return;
+                        },
+                        success: function(data){
+                            container.removeClass('loading').empty().append(data);
+                        }
+                    });
+
+                    return false;
+                });
+
+                $("#field_chooser").autocomplete({
+                    source: "/admin/description/metadatas/search/",
+                    minLength: 2,
+                    select: function( event, ui ) {
+                        $('#current_field_label').val(ui.item.value);
+                    }
+                });
+
+                var buttons = {};
+                var dialog = $('#field_changer');
+                buttons['{% trans 'boutton::annuler' %}'] = function(){
+                    $('#field_changer').dialog('close');
+                };
+
+                $('#tag_remover').bind('click', function(){
+                    $('#current_field_label').val('');
+                });
+
+                buttons['{% trans 'boutton::valider' %}'] = function(){
+                    var field_id = $('input[name="field_id"]', dialog).val();
+                    $('#field_changer').dialog('close');
+
+                    $('#display_value_'+field_id).empty().append($('#current_field_label').val());
+                    $('input[name="src_'+field_id+'"]', container).val($('#current_field_label').val());
+                    $('input[name="src_'+field_id+'"]', container).trigger('change');
+                    $('.metafield_'+field_id, container).removeAttr('disabled');
+                };
+                $('#field_changer').dialog({
+                    modal:true,
+                    buttons : buttons,
+                    draggable:false,
+                    resizable:false
+                }).dialog('close');
+
+                $('a.field_change', container).bind('click', function(){
+                    $('#field_chooser').val('');
+                    var field_id = $('input',this).val();
+                    $('#current_field_label').val( $('input[name="src_'+field_id+'"]', container).val());
+                    $('input[name="field_id"]', dialog).val(field_id);
+                    dialog.dialog().dialog('open');
+
+                    return false;
+                });
+
+                $('.alertTips', container).tooltip();
+
+                $('button.struct_saver', container).bind('click', function(){
+                    $('#form_struct').submit();
+                });
+
+
+                $('.field_adder', container).bind('click', function(){
+
+
+                    var buttons = {};
+
+                    buttons['{% trans 'boutton::annuler' %}'] = function(){
+                        $('#field_adder').dialog('destroy').remove();
+                    };
+                    buttons['{% trans 'boutton::valider' %}'] = function(){
+                        $('#newfield').val($('#field_adder input[name="newfield_name"]').val());
+                        $('#newfield_multi').val($('#field_adder input[name="newfield_multi"]').attr('checked') ? 1 : 0);
+                        $('#field_adder').dialog('destroy').remove();
+                        $('#form_struct').submit();
+                    };
+
+                    $('#field_adder').dialog({
+                        modal:true,
+                        buttons : buttons,
+                        draggable:false,
+                        resizable:false,
+                        width:400
+                    }).dialog('open');
+
+                });
+
+                $('.meta_deleter', container).bind('click', function(){
+                    if(confirm('{% trans 'Etes vous sur de vouloir supprimer cette metadonnee ? Elle sera definitivement perdue' %}'))
+                    {
+                        var field = $('input[name="field_ids[]"]', $(this).parent());
+                        var field_id = $('input', $(this)).val();
+                        field.attr('name', 'todelete_ids[]');
+                        $('.metafield_'+field_id, container).attr('disabled', 'disabled');
+                    }
+                });
+
+
+                $('.dces_selector', container).bind('change', function(event){
+                    if($.trim($(this).val()) === '') {
+                        return;
+                    }
+                    var $this = $(this);
+                    var $others = $('.dces_selector option[value="'+$this.val()+'"]:selected', container);
+                    if($others.length > 1)
+                    {
+                        var other_name = $($others.get(0)).closest('tr').find('input.meta_namer').val();
+
+                        $('#warning_dialog').html("<p>{% trans 'Attention, deux champs ne peuvent représenter le meme element Dublin Core.' %}<br/><br/>{% trans 'La precedente attribution a ete desactivee' %} </p><p style='margin-top:10px;text-align:center;font-weight:bold;'>"+other_name+'</p>').dialog({modal:true});
+                        $others.each(function(i, el){
+                        var $parent = $(el).parent();
+                        if($parent.attr('name') !== $this.attr('name'))
+                            $parent.val('');
+                        });
+
+                        return false;
+                    }
+                });
+
+                $('.meta_src', container).bind('change', function(){
+                    var id = $(this).attr('name').split('_').pop();
+
+                    $.ajax({
+                        type: "GET",
+                        url: "/admin/fields/checkmulti/",
+                        dataType: 'json',
+                        data: {
+                            multi : $('input[name="multi_'+id+'"]', container).attr('checked'),
+                            source : $('input[name="src_'+id+'"]', container).val()
+                        },
+                        error: function(){
+                            return;
+                        },
+                        timeout: function(){
+                            return;
+                        },
+                        success: function(data){
+                            var $parent = $('.multi_'+id, container);
+                            $('.alert', $parent).hide();
+                            if(data.result === false && data.is_multi === true)
+                                $('.alert_is_multi', $parent).show();
+                            else if(data.result === false && data.is_multi === false)
+                                $('.alert_not_multi', $parent).show();
+                        }
+                    });
+
+                });
+
+
+                $('.meta_readonly, .meta_src', container).bind('change', function(){
+                    var id = $(this).attr('name').split('_').pop();
+
+                    $.ajax({
+                        type: "GET",
+                        url: "/admin/fields/checkreadonly/",
+                        dataType: 'json',
+                        data: {
+                            readonly : $('input[name="readonly_'+id+'"]', container).attr('checked'),
+                            source : $('input[name="src_'+id+'"]', container).val()
+                        },
+                        error: function(){
+                            return;
+                        },
+                        timeout: function(){
+                            return;
+                        },
+                        success: function(data){
+                            var $parent = $('input[name="readonly_'+id+'"]', container).parent();
+                            $('.alert', $parent).hide();
+                            if(data.result === false && data.is_readonly === true)
+                                $('.alert_is_readonly', $parent).show();
+                            else if(data.result === false && data.is_readonly === false)
+                                $('.alert_not_readonly', $parent).show();
+                        }
+                    });
+
+                });
+            });
+        </script>
\ No newline at end of file
diff --git a/templates/web/admin/tree.html.twig b/templates/web/admin/tree.html.twig
index 924da30e3e..b1a25402cc 100644
--- a/templates/web/admin/tree.html.twig
+++ b/templates/web/admin/tree.html.twig
@@ -113,7 +113,7 @@
             </a>
           </li>
           <li>
-            <a target="right" href="/admin/description/{{ sbas_id }}/">
+            <a target="right" href="/admin/description/{{ sbas_id }}/" class="ajax">
               <img src="/skins/icons/miniadjust01.gif"/>
               {% trans 'CHAMPS' %}
             </a>
diff --git a/tests/Alchemy/Phrasea/Controller/Admin/DescriptionTest.php b/tests/Alchemy/Phrasea/Controller/Admin/DescriptionTest.php
index 0c97f210b3..3f0c4e1e12 100644
--- a/tests/Alchemy/Phrasea/Controller/Admin/DescriptionTest.php
+++ b/tests/Alchemy/Phrasea/Controller/Admin/DescriptionTest.php
@@ -9,10 +9,10 @@ class DescriptionTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
     public function createApplication()
     {
         $app = require __DIR__ . '/../../../../../lib/Alchemy/Phrasea/Application/Admin.php';
-        
+
         $app['debug'] = true;
         unset($app['exception_handler']);
-        
+
         return $app;
     }
 
@@ -30,7 +30,7 @@ class DescriptionTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
         $appbox = appbox::get_instance(\bootstrap::getCore());
         $databox = array_shift($appbox->get_databoxes());
         $name = "testtest" . uniqid();
-        $field = \databox_field::create($databox, $name);
+        $field = \databox_field::create($databox, $name, false);
         $id = $field->get_id();
         $this->client->request("POST", "/description/" . $databox->get_sbas_id() . "/", array(
             'field_ids' => array($id)
@@ -53,7 +53,7 @@ class DescriptionTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
         $appbox = appbox::get_instance(\bootstrap::getCore());
         $databox = array_shift($appbox->get_databoxes());
         $name = "test" . uniqid();
-        $field = \databox_field::create($databox, $name);
+        $field = \databox_field::create($databox, $name, false);
         $id = $field->get_id();
 
         $this->client->request("POST", "/description/" . $databox->get_sbas_id() . "/", array(
@@ -111,7 +111,7 @@ class DescriptionTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
         $this->assertTrue($this->client->getResponse()->isRedirect());
 
         $name = "test" . uniqid();
-        $field = \databox_field::create($databox, $name);
+        $field = \databox_field::create($databox, $name, false);
         $id = $field->get_id();
         $this->client->request("POST", "/description/" . $databox->get_sbas_id() . "/", array(
             'field_ids' => array($id)
@@ -129,7 +129,7 @@ class DescriptionTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
         $field->delete();
 
         $name = "test" . uniqid();
-        $field = \databox_field::create($databox, $name);
+        $field = \databox_field::create($databox, $name, false);
         $id = $field->get_id();
         $this->client->request("POST", "/description/" . $databox->get_sbas_id() . "/", array(
             'field_ids' => array($id)
@@ -146,8 +146,7 @@ class DescriptionTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
         $field->delete();
 
         $name = "test" . uniqid();
-        $field = \databox_field::create($databox, $name);
-        $field->set_multi(false);
+        $field = \databox_field::create($databox, $name, false);
         $field->set_indexable(false);
         $field->set_required(true);
         $field->set_readonly(true);
@@ -173,7 +172,7 @@ class DescriptionTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
 
 
         $name = "test" . uniqid();
-        $field = \databox_field::create($databox, $name);
+        $field = \databox_field::create($databox, $name, false);
         $id = $field->get_id();
         $this->client->request("POST", "/description/" . $databox->get_sbas_id() . "/", array(
             'field_ids' => array('unknow_id')
@@ -201,7 +200,7 @@ class DescriptionTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
 
         $databox = array_shift($appbox->get_databoxes());
         $name = "test" . uniqid();
-        $field = \databox_field::create($databox, $name);
+        $field = \databox_field::create($databox, $name, false);
         $id = $field->get_id();
         $this->client->request("POST", "/description/" . $databox->get_sbas_id() . "/", array(
             'field_ids' => array($id)
@@ -253,7 +252,7 @@ class DescriptionTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
 
         $datas = json_decode($this->client->getResponse()->getContent(), true);
         $this->assertEquals(array(), $datas);
-        
+
         $this->client->request("GET", "/description/metadatas/search/", array('term'=>'xmp'));
         $this->assertTrue($this->client->getResponse()->isOk());
 
diff --git a/tests/Alchemy/Phrasea/Controller/Admin/FieldsTest.php b/tests/Alchemy/Phrasea/Controller/Admin/FieldsTest.php
index 0e0daa48f8..a977140272 100644
--- a/tests/Alchemy/Phrasea/Controller/Admin/FieldsTest.php
+++ b/tests/Alchemy/Phrasea/Controller/Admin/FieldsTest.php
@@ -9,10 +9,10 @@ class ControllerFieldsTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
     public function createApplication()
     {
         $app = require __DIR__ . '/../../../../../lib/Alchemy/Phrasea/Application/Admin.php';
-        
+
         $app['debug'] = true;
         unset($app['exception_handler']);
-        
+
         return $app;
     }
 
@@ -32,7 +32,7 @@ class ControllerFieldsTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
 
         $tag = new PHPExiftool\Driver\Tag\IPTC\ObjectName();
 
-        $field = \databox_field::create($databox, "test" . time());
+        $field = \databox_field::create($databox, "test" . time(), false);
         $field->set_tag($tag)->save();
 
         $this->client->request("GET", "/fields/checkmulti/", array(
@@ -54,7 +54,7 @@ class ControllerFieldsTest extends \PhraseanetWebTestCaseAuthenticatedAbstract
 
         $tag = new PHPExiftool\Driver\Tag\IPTC\ObjectName();
 
-        $field = \databox_field::create($databox, "test" . time());
+        $field = \databox_field::create($databox, "test" . time(), false);
         $field->set_tag($tag)->save();
 
         $this->client->request("GET", "/fields/checkreadonly/", array(
diff --git a/tests/databox/databox_fieldTest.php b/tests/databox/databox_fieldTest.php
index 6d7d1a52f0..644e120541 100644
--- a/tests/databox/databox_fieldTest.php
+++ b/tests/databox/databox_fieldTest.php
@@ -24,11 +24,11 @@ class databox_fieldTest extends PhraseanetPHPUnitAbstract
 
         $this->object_multi = $this->databox->get_meta_structure()->get_element_by_name($this->name_multi);
 
-        if ( ! $this->object_mono instanceof databox_field)
-            $this->object_mono = databox_field::create($this->databox, $this->name_mono);
+        if ( ! $this->object_mono instanceof databox_field) {
+            $this->object_mono = databox_field::create($this->databox, $this->name_mono, false);
+        }
         if ( ! $this->object_multi instanceof databox_field) {
-            $this->object_multi = databox_field::create($this->databox, $this->name_multi);
-            $this->object_multi->set_multi(true)->save();
+            $this->object_multi = databox_field::create($this->databox, $this->name_multi, true);
         }
     }
 
@@ -217,14 +217,6 @@ class databox_fieldTest extends PhraseanetPHPUnitAbstract
         $this->assertTrue($this->object_mono->isBusiness());
     }
 
-    public function testSet_multi()
-    {
-        $this->object_mono->set_multi(false);
-        $this->assertFalse($this->object_mono->is_multi());
-        $this->object_mono->set_multi(true);
-        $this->assertTrue($this->object_mono->is_multi());
-    }
-
     public function testSet_report()
     {
         $this->object_mono->set_report(false);
@@ -364,105 +356,4 @@ class databox_fieldTest extends PhraseanetPHPUnitAbstract
         $this->assertEquals($value->getValue(), $AddedValue);
     }
 
-    public function testChangeMulti()
-    {
-        $AddedValue_1 = 'scalar value 1';
-        $AddedValue_2 = 'scalar value 2';
-
-        static::$records['record_1']->set_metadatas(array(
-            array(
-                'meta_id'        => null,
-                'meta_struct_id' => $this->object_multi->get_id(),
-                'value'          => $AddedValue_1
-            ),
-            array(
-                'meta_id'        => null,
-                'meta_struct_id' => $this->object_multi->get_id(),
-                'value'          => $AddedValue_2
-            )
-        ));
-
-        $this->assertEquals(2, count(static::$records['record_1']->get_caption()->get_field(str_replace(' ', '', $this->name_multi))->get_values()));
-
-        $this->object_multi->set_multi(false)->save();
-
-        $this->assertEquals(1, count(static::$records['record_1']->get_caption()->get_field(str_replace(' ', '', $this->name_multi))->get_values()));
-    }
-
-    /**
-     * @todo Implement testCreate().
-     */
-    public function testCreate()
-    {
-        // Remove the following lines when you implement this test.
-        $this->markTestIncomplete(
-            'This test has not been implemented yet.'
-        );
-    }
-
-    /**
-     * @todo Implement test__sleep().
-     */
-    public function test__sleep()
-    {
-        // Remove the following lines when you implement this test.
-        $this->markTestIncomplete(
-            'This test has not been implemented yet.'
-        );
-    }
-
-    /**
-     * @todo Implement test__wakeup().
-     */
-    public function test__wakeup()
-    {
-        // Remove the following lines when you implement this test.
-        $this->markTestIncomplete(
-            'This test has not been implemented yet.'
-        );
-    }
-
-    /**
-     * @todo Implement testGet_cache_key().
-     */
-    public function testGet_cache_key()
-    {
-        // Remove the following lines when you implement this test.
-        $this->markTestIncomplete(
-            'This test has not been implemented yet.'
-        );
-    }
-
-    /**
-     * @todo Implement testGet_data_from_cache().
-     */
-    public function testGet_data_from_cache()
-    {
-        // Remove the following lines when you implement this test.
-        $this->markTestIncomplete(
-            'This test has not been implemented yet.'
-        );
-    }
-
-    /**
-     * @todo Implement testSet_data_to_cache().
-     */
-    public function testSet_data_to_cache()
-    {
-        // Remove the following lines when you implement this test.
-        $this->markTestIncomplete(
-            'This test has not been implemented yet.'
-        );
-    }
-
-    /**
-     * @todo Implement testDelete_data_from_cache().
-     */
-    public function testDelete_data_from_cache()
-    {
-        // Remove the following lines when you implement this test.
-        $this->markTestIncomplete(
-            'This test has not been implemented yet.'
-        );
-    }
 }