diff --git a/include/class_bud_synthese_hypo.php b/include/class_bud_synthese_hypo.php
index 4e82b7738..48df0ee04 100644
--- a/include/class_bud_synthese_hypo.php
+++ b/include/class_bud_synthese_hypo.php
@@ -101,8 +101,8 @@ Array
     $sql_poste="select distinct pcm_val from bud_detail where bh_id=".$this->bh_id;
     $aPoste=get_array($this->cn,$sql_poste);
 
-    $cn=DbConnect(dossier::id());
-    $sql_prepare=pg_prepare($cn,"get_group","select sum(bdp_amount) as amount,ga_id,".
+    $local_con=DbConnect(dossier::id());
+    $sql_prepare=pg_prepare($local_con,"get_group","select sum(bdp_amount) as amount,ga_id,".
 			    "bc_price_unit".
 			    " from ".
 			    " bud_detail join bud_detail_periode using (bd_id) ".
@@ -144,8 +144,58 @@ Array
       $line['acc_amount']=$acc_account->get_solde($per_acc);
       $array[$pcm_val]=$line;
     }
-    pg_close($cn);
+    /*!\bug it is a bug ? When I close a connection created and used
+     *   locally, it closed also the main connection so I reopened it
+     */
+    pg_close($local_con);
+    $this->cn=DbConnect(dossier::id());
+    return $array;
+  }
+  /*!\brief compute the summary
+   * \param $p_array is an array generated by load()
+   * \return array
+Array
+(
+    [65] => Array
+        (
+            [GROUPE1] => 0
+            [total] => 74
+            [GROUPE3] => 74
+        )
 
+    [60] => Array
+        (
+            [GROUPE1] => 83.7
+            [total] => 161.7
+            [GROUPE3] => 78
+        )
+
+)
+   */
+  function summary($p_array) {
+
+    if ( empty ($p_array)) return ;
+    // Now we put 0 if there is nothing for a group
+    $aGroup=get_array($this->cn,"select distinct ga_id from bud_detail join poste_analytique ".
+		      " using (po_id) where bh_id=".$this->bh_id." order by ga_id ");
+
+
+    $array=array();
+    foreach ($p_array as $key=>$row) {
+      $pcm_val=substr($key,0,2);
+      $sub=array();
+      foreach ($aGroup as $rGroup ) {
+	$group_id=$rGroup['ga_id'];
+	$sub[$group_id]=(isset($sub[$group_id]))?$sub[$group_id]:0;
+	$sub[$group_id]=+$row[$group_id];
+	$sub['total']=(isset($sub['total']))?$sub['total']:0;
+	$sub['total']+=$row[$group_id];
+      }
+      if (isset( $array[$pcm_val]))
+	$array[$pcm_val]+=$sub;
+      else 
+	$array[$pcm_val]=$sub;
+    }
     return $array;
   }
   static function test_me() {
@@ -158,7 +208,10 @@ Array
     print_r($_GET);
     if ( isset ($_GET['recherche'])) {
       $obj->from_array($_GET);
-      print_r( $obj->load());
+      $res=$obj->load();
+      print_r($res);
+      $summary=$obj->summary($res);
+      print_r($summary);
     }
   }
 }