diff --git a/html/js/noalyss_script.js b/html/js/noalyss_script.js
index 8270a4a10..684f20544 100644
--- a/html/js/noalyss_script.js
+++ b/html/js/noalyss_script.js
@@ -1302,8 +1302,8 @@ function save_predf_op(obj) {
 /**
  *ctl_concern is the widget to update
  *amount_id is either a html obj. or an amount and the field tiers if given
- * @param {type} dossier
- * @param {type} ctl_concern
+ * @param {int} dossier
+ * @param {string} ctl_concern DOM id that receive the number
  * @param {float or string} amount_id Amount or DOM Id of the element containing the amount
  * @param {float} ledger
  * @param {type} p_id_targetDom Element (div) where to display the search result
@@ -1369,15 +1369,16 @@ function search_reconcile(dossier, ctl_concern, amount_id, ledger, p_id_target,
 }
 
 /**
- * search in a popin obj if the object form
+ * search in a popin obj if the object form,
+ * @param obj DOM of the FORM
  */
 function search_operation(obj) {
     try {
         var dossier = id$('gDossier').value;
         waiting_box();
         var target = "search" + layer;
-        if (document.getElementById(obj)["target"]) {
-            target = id$(obj)["target"].value;
+        if (obj["target"]) {
+            target = obj["target"].value;
         }
         var qs = Form.serialize('search_form_ajx') + "&op=search_op";
         var action = new Ajax.Request('ajax_misc.php',
diff --git a/include/ajax/ajax_search_operation.php b/include/ajax/ajax_search_operation.php
index afc86d173..6f42d7591 100644
--- a/include/ajax/ajax_search_operation.php
+++ b/include/ajax/ajax_search_operation.php
@@ -18,8 +18,23 @@
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 // Copyright Author Dany De Bontridder danydb@aevalys.eu
-/*! \file
+/*!
+ * \file
  * \brief Search module
+ * \see javascript search_reconcile
+
+\param   dossier_id int  in $_GET  dossier id needed to connect to the right folder
+\param   ctlc in $_GET string of DOM ID that receives the result when operation is selected
+\param   tiers in $_GET
+\param   amount_id float in $_GET amount to search
+\param   target in $_GET element to update
+\param   hide_operation in $_GET
+\param   single_operation in $_GET
+ */
+
+/**
+ * @var $op comes from $_GET['op'] , that is the parameter from ajax to select the action (route) to perform.
+ * @var $g_user type of Noalyss_User , connected user
  */
 if (!defined('ALLOWED'))
     die('Appel direct ne sont pas permis');
@@ -35,6 +50,7 @@ $cn=Dossier::connect();
 
 
 $base=basename($_SERVER['PHP_SELF']);
+
 $inside=false;
 $tiers=$http->get("tiers", "string", "");
 // With the amount id, we find the amount in a html elt
@@ -83,7 +99,8 @@ if (isset($_GET['amount_min'])&&isset($_GET['amount_max'])&&($_GET['amount_max']
     );
 }
 //-----------------------------------------------------
-// Display search result
+// Display search result, value from the search FORM
+//
 //-----------------------------------------------------
 if (isset($_GET['viewsearch']))
 {
diff --git a/include/class/acc_ledger_search.class.php b/include/class/acc_ledger_search.class.php
index d94dd2a37..3dc0524f0 100644
--- a/include/class/acc_ledger_search.class.php
+++ b/include/class/acc_ledger_search.class.php
@@ -35,10 +35,10 @@ class Acc_Ledger_Search
 
     protected $cn; //!< Database Connection
     private $type; //!< type of ledger : FIN,ODS,VEN,ACH
-    private $all; //!< Flag to indicate if all ledgers must searched (1 for yes)
-    private $div; //! prefix for id of DOM id
-    //! id of the ledger
-    var $id ;
+    private $all; //!< Flag to indicate if all ledgers must be searched (1 for yes)
+    private $div; //!< prefix for id of DOM id
+    var $id ;    //!< id of the ledger
+
     /**
      * @brief return a HTML string with the form for the search
      * @param  $p_type if the type of ledger possible values=ALL,VEN,ACH,ODS,FIN: uppercase !
@@ -49,7 +49,7 @@ class Acc_Ledger_Search
      * @param  $div is the div (for reconciliation)
      * @param type $p_type
      * @param type $p_all
-     * @param type $p_div
+     * @param string $p_div name of the HTML DIV
      *
      * @todo the parameter $all_type_ledger is useless : ALL means all the ledgers, VEN all the ledger of sales...
      */
@@ -258,7 +258,7 @@ class Acc_Ledger_Search
     }
 
     /**
-     * Build the button for managing the filter for search
+     * @brief Build the button for managing the filter for search
      * @param type $p_div id prefix of the div, button, table ..
      * @param  $this->type if the type of ledger possible values=ALL,VEN,ACH,ODS,FIN
      * @param  $all_type_ledger