diff --git a/kfet/static/kfet/js/history.js b/kfet/static/kfet/js/history.js
index eaecfb8f..6a77a8ff 100644
--- a/kfet/static/kfet/js/history.js
+++ b/kfet/static/kfet/js/history.js
@@ -1,28 +1,38 @@
 class KHistory {
 
-    static get default_options() {
-        return { from: moment().subtract(1, 'days').format('YYYY-MM-DD HH:mm:ss'), };
+    static get default_options {
+        return {
+            'templates': {
+                'purchase': '<div class="ope"><span class="amount"></span><span class="infos1"></span><span class="infos2"></span><span class="addcost"></span><span class="canceled"></span></div>',
+                'specialope': '<div class="ope"><span class="amount"></span><span class="infos1"></span><span class="infos2"></span><span class="addcost"></span><span class="canceled"></span></div>',
+                'opegroup': '<div class="opegroup"><span class="time"></span><span class="trigramme"></span><span class="amount"></span><span class="valid_by"></span><span class="comment"></span></div>',
+                'transfergroup': '<div class="opegroup"><span class="time"></span><span class="infos"></span><span class="valid_by"></span><span class="comment"></span></div>',
+                'day': '<div class="day"><span class="date"></span></div>',
+                'transfer': '<div class="ope"><span class="amount"></span><span class="infos1"></span><span class="glyphicon glyphicon-arrow-right"></span><span class="infos2"></span><span class="canceled"></span></div>',
+            },
+
+            'api_options': { 
+                from: moment().subtract(1, 'days').format('YYYY-MM-DD HH:mm:ss'), 
+            },
+
+        };
     }
     
     constructor(options) {
-        this.templates = {
-            'purchase': '<div class="ope"><span class="amount"></span><span class="infos1"></span><span class="infos2"></span><span class="addcost"></span><span class="canceled"></span></div>',
-            'specialope': '<div class="ope"><span class="amount"></span><span class="infos1"></span><span class="infos2"></span><span class="addcost"></span><span class="canceled"></span></div>',
-            'opegroup': '<div class="opegroup"><span class="time"></span><span class="trigramme"></span><span class="amount"></span><span class="valid_by"></span><span class="comment"></span></div>',
-            'transfergroup': '<div class="opegroup"><span class="time"></span><span class="infos"></span><span class="valid_by"></span><span class="comment"></span></div>',
-            'day': '<div class="day"><span class="date"></span></div>',
-            'transfer': '<div class="ope"><span class="amount"></span><span class="infos1"></span><span class="glyphicon glyphicon-arrow-right"></span><span class="infos2"></span><span class="canceled"></span></div>',
-        };
+        var all_options = $.extend({}, this.constructor.default_options, options);
+
+        this.templates = all_options.templates;
+        this.api_options = all_options.api_options;
 
         this._$container = $('#history');
         this._$nb_opes = $('#nb_opes');
         
         this.list = new OperationList();
 
-        if (!options || !options.no_select)
+        if (!all_options.no_select)
             this.selection = new KHistorySelection(this);
 
-        if (options && options.no_trigramme) 
+        if (all_options.no_trigramme) 
             this.templates['opegroup'] = '<div class="opegroup"><span class="time"></span><span class="amount"></span><span class="valid_by"></span><span class="comment"></span></div>'
  
         this._init_events();
@@ -34,8 +44,6 @@ class KHistory {
 
         if (api_options)
             this.api_options = api_options;
-        else if (!this.api_options)
-            this.api_options = this.constructor.default_options;
 
         this.list.fromAPI(this.api_options)
             .done( () => this.display() );