--- a/cms/app-client/app/components/visu-chrono.js	Thu Jul 07 11:06:11 2016 +0200
+++ b/cms/app-client/app/components/visu-chrono.js	Thu Jul 07 16:11:59 2016 +0200
@@ -95,6 +95,33 @@
         dates.map(function(date){
             Ember.$("#" + date).toggleClass("highlighted", true);
         });
+    },
+
+    actions : {
+
+        selectDecade: function(decade) {
+            var array = [];
+            var next = decade + 10;
+            var dates = this.get('filter').get('date');
+            while(decade < next) {
+                array.push(decade);
+                decade ++;
+            }
+            if(array.find(function(date){ return dates.indexOf(date) === -1; })) {
+                array = array.filter(function(value) {
+                    return dates.indexOf(value) === -1;
+                });
+                array = dates.concat(array);
+                // Ascending sorting.
+                array.sort(function(a, b) { return a - b; });
+            } else {
+                array = dates.filter(function(value) {
+                    return array.indexOf(value) === -1;
+                });
+            }
+            this.get('filter').set('date', array);
+        }
+
     }
 
 });