diff --git a/inc/myco.js b/inc/myco.js
index b8eca66..c0d9c4e 100644
--- a/inc/myco.js
+++ b/inc/myco.js
@@ -157,18 +157,19 @@ show_contributions=function(group,contributor_name) {
   tbody.html('');
   total=$($('#view-group #total-value')[0]);
   contributions=group.contributionsByContributorName(contributor_name);
+  contributions.reverse();
   if (contributions.length==0) {
     tbody.append('<tr><td colspan=3>Aucune contributions</td></tr>');
     total.html('0,00 €');
   }
   else {
     sum=0;
-    for (uuid in contributions) {
-      col_actions='<td><div class="btn-group" data-uuid="'+contributions[uuid].uuid+'"><button type="button" class="btn btn-default contribution_edit_btn"><span class="glyphicon glyphicon-edit"></span></button><button type="button" class="btn btn-default contribution_delete_btn"><span class="glyphicon glyphicon-trash"></span></button></div></td>';
-      tbody.append('<tr><td>'+contributions[uuid].getTitle()+'</td><td>'+contributions[uuid].cost+' €</td>'+col_actions+'</tr>');
-      sum+=contributions[uuid].cost;
+    for (idx in contributions) {
+      col_actions='<td><div class="btn-group" data-uuid="'+contributions[idx].uuid+'"><button type="button" class="btn btn-default contribution_edit_btn"><span class="glyphicon glyphicon-edit"></span></button><button type="button" class="btn btn-default contribution_delete_btn"><span class="glyphicon glyphicon-trash"></span></button></div></td>';
+      tbody.append('<tr><td>'+contributions[idx].getTitle()+'</td><td>'+contributions[idx].cost+' €</td>'+col_actions+'</tr>');
+      sum+=contributions[idx].cost;
     }
-    total.html(sum+' €');
+    total.html(sum.toFixed(2)+' €');
   }
   
   $('.contribution_delete_btn').bind('click',on_contribution_delete_btn_click);
diff --git a/inc/myco_objects.js b/inc/myco_objects.js
index b64ecdb..1d8cfcc 100644
--- a/inc/myco_objects.js
+++ b/inc/myco_objects.js
@@ -180,12 +180,23 @@ function Group(uuid,name,data) {
    * Contributions
    */
   this.contributionsByContributorName=function(name) {
-    var ret={};
+    var ret=[];
     for (uuid in this.contributions) {
       if (this.contributions[uuid].contributor.name==name) {
-        ret[uuid]=this.contributions[uuid];
+        ret.push(this.contributions[uuid]);
       }
     }
+    ret.sort(function(a,b) {
+      if (a.date==b.date) {
+        return 0;
+      }
+      else if(a.date<b.date) {
+        return -1;
+      }
+      else {
+        return 1;
+      }
+    });
     return ret;
   }
 
@@ -216,8 +227,8 @@ function Group(uuid,name,data) {
       var sum=0;
       c=this.contributors[idx].name;
       cl=this.contributionsByContributorName(c);
-      for (uuid in cl) {
-        sum+=cl[uuid].cost;
+      for (idx in cl) {
+        sum+=cl[idx].cost;
       }
       if (min==-1 || min>sum) {
           min=sum;