diff --git a/html/ajax_misc.php b/html/ajax_misc.php
index ce27ce175..6cf1c689d 100644
--- a/html/ajax_misc.php
+++ b/html/ajax_misc.php
@@ -365,6 +365,8 @@ $path = array(
     ,"category_card_definition"=>"ajax_category_card_definition"
     // activate plugin for a profile
     ,'activate_plugin'=>'ajax_activate_plugin'
+    // set the operation paid or unpaid
+    , 'payment_status'=>'ajax_payment_status'
 ) ;
 
 if (array_key_exists($op, $path)) {
diff --git a/html/js/noalyss_script.js b/html/js/noalyss_script.js
index 275ca6e5b..e57d46fa1 100644
--- a/html/js/noalyss_script.js
+++ b/html/js/noalyss_script.js
@@ -4701,6 +4701,7 @@ Widget.prototype.toggle_full_size=function (widget_domid) {
 
 };
 
+
 /**
  * EXPERIMENTAL
 (function(){window.addEventListener("beforeunload", (event) => {waiting_box()});})();
diff --git a/html/js/operation_payment.js b/html/js/operation_payment.js
new file mode 100644
index 000000000..4109a230c
--- /dev/null
+++ b/html/js/operation_payment.js
@@ -0,0 +1,144 @@
+/* 
+ * Copyright (C) 2025 dany
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+
+///////////////////////////////////////////////////////////////////////
+// Operation payement
+// Selection on operation history : payment
+var Operation_Payment = function (range_name, dossier_id, ac) {
+    this.lastcheck = null;
+    this.endcheck = null;
+    this.range_name = range_name;
+    this.dossier_id = dossier_id;
+    this.ac = ac;
+};
+
+Operation_Payment.prototype.activate_checkbox_range = function () {
+    let node_lstCheckBox = document.getElementsByClassName(this.range_name);
+    var aCheckBox = Array.from(node_lstCheckBox)
+    if (aCheckBox == undefined) {
+        console.error("activate_checkbox_range_failed")
+    }
+    var here = this;
+    aCheckBox.forEach(elt => elt.addEventListener('click', function (event) {
+            here.checkbox_set_range(event, elt);
+        }, false));
+};
+
+Operation_Payment.prototype.checkbox_set_range = function (event, elt)
+{
+
+    if (!event.shiftKey) {
+        this.lastcheck = elt;
+        return;
+    }
+    waiting_box();
+    var aName = document.getElementsByClassName(this.range_name);
+
+    var from = 0;
+    var end = 0;
+    for (var i = 0; i < aName.length; i++) {
+        if (aName[i] == elt) {
+            this.endcheck = aName[i];
+            from = i;
+        }
+        if (aName[i] == this.lastcheck) {
+            end = i;
+        }
+    }
+    if (from > end) {
+        let a = from;
+        from = end;
+        end = a;
+    }
+    var check = (aName[from].checked) ? true : false;
+    for (x = from + 1; x < end; x++) {
+        if (aName[x].parentNode.parentNode.visible()) {
+            aName[x].checked=check;
+            this.check_item(aName[x],true)
+        }
+    }
+    remove_waiting_box();
+};
+
+Operation_Payment.prototype.check_item = function (dom_elt,flag_waiting_box)
+{
+    console.debug(`element = ${dom_elt.name}`);
+    console.debug(`dossier ${this.dossier_id} ac ${this.ac}`)
+    try
+    {
+        if ( ! flag_waiting_box ) waiting_box();
+        var queryString = {op:'payment_status',operation_id:dom_elt.name,gDossier:this.dossier_id,ac:this.ac,state:dom_elt.checked};
+        console.debug (`queryString : `)
+        console.debug (queryString)
+        
+        var action = new Ajax.Request(
+                "ajax_misc.php",
+                {
+                    method: 'POST',
+                    parameters: queryString,
+                    onFailure: ajax_misc_failure,
+                    onSuccess: function (req) {
+                        if ( ! flag_waiting_box )remove_waiting_box();
+                        if (req.responseText == 'NOCONX') {
+                            reconnect();
+                            return;
+                        }
+                        if ( req.responseText == 1) { dom_elt.checked=true}
+                            else 
+                            if ( req.responseText == 0) { dom_elt.checked=false}
+                        else {
+                            console.error(req.responseText)
+                        }
+
+                    }
+                }
+        );
+    } catch (e)
+    {
+        alert_box(e.message);
+    }
+
+};
+//Operation_Payment.prototype.check_all=function()
+//{
+//    var aName = document.getElementsByClassName(this.range_name);    
+//    for (x = 0; x < aName.lenght; x++) {
+//        if (aName[x].parentNode.parentNode.visible()) {
+//            aName[x].checked=true;
+//            this.check_item(aName[x]);
+//        }
+//    }
+//    
+//}
+//Operation_Payment.prototype.invert_selection=function()
+//{
+//     var aName = document.getElementsByClassName(this.range_name);    
+//    for (x = 0; x < aName.lenght; x++) {
+//        if (aName[x].parentNode.parentNode.visible()) {
+//            if ( aName[x].checked ) {
+//                        aName[x].checked=false;
+//            } else {
+//                        aName[x].checked=true;
+//            }
+//            this.check_item(aName[x]);
+//        }
+//    }
+//    
+//}
+
diff --git a/include/ajax/ajax_payment_status.php b/include/ajax/ajax_payment_status.php
new file mode 100644
index 000000000..ab89d28cd
--- /dev/null
+++ b/include/ajax/ajax_payment_status.php
@@ -0,0 +1,65 @@
+<?php
+
+/*
+ *   This file is part of NOALYSS.
+ *
+ *   NOALYSS is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   NOALYSS is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with NOALYSS; if not, write to the Free Software
+ *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+// Copyright Author Dany De Bontridder danydb@aevalys.eu 22/10/23
+
+
+/**
+ * @file
+ * @brief set the operation paid of unpaid
+ */
+if (!defined('ALLOWED'))     die('Appel direct ne sont pas permis');
+
+global $g_user;
+try {
+    $ac=$http->post("ac");
+    $operation_id=$http->post("operation_id");
+    $state=$http->post("state");
+} catch (Exception $exc) {
+    record_log($exc);
+    return;
+}
+$a_module=explode("/",$ac);
+
+// stop if user cannot access this module
+if ($g_user->check_module($a_module[count($a_module)-1]) == 0) { return ; }
+
+// var $jr_id must be the JRN.JR_ID
+$jr_id=str_replace("rd_paid", "", $operation_id);
+
+// stop if $jr_id is not a number
+if (isNumber($jr_id) == 0 ) {
+    return;
+}
+
+// User can access this operation in writing
+$ledger_id=$cn->get_value("select jr_def_id from jrn where jr_id=$1",[$jr_id]);
+
+// stop if user cannot access this ledger
+if ( $g_user->get_ledger_access($ledger_id) != "W") { return;}
+
+if ( $state == "true") {
+    $cn->exec_sql("update jrn set jr_rapt='paid' where jr_id=$1",[$jr_id]);
+    echo 1;
+} elseif( $state == "false") {
+    $cn->exec_sql("update jrn set jr_rapt=null where jr_id=$1",[$jr_id]);
+    echo 0;
+} else {
+    echo "ERROR : unknown state [$state]";
+}
diff --git a/include/class/acc_ledger_search.class.php b/include/class/acc_ledger_search.class.php
index 90e0a72ef..430aaa663 100644
--- a/include/class/acc_ledger_search.class.php
+++ b/include/class/acc_ledger_search.class.php
@@ -985,6 +985,7 @@ class Acc_Ledger_Search
                 $w->selected=($row['jr_rapt']=='paid')?true:false;
                 // if p_paid == 2 then readonly
                 $w->readonly=( $p_paid==2)?true:false;
+                $w->javascript='onclick="operation_payment.check_item(this)"';
                 $h=new IHidden();
                 $h->name="set_jr_id".$row['jr_id'];
                 $r.='<TD>'.$w->input().$h->input().'</TD>';
diff --git a/include/history_operation.inc.php b/include/history_operation.inc.php
index 4a97184c5..b0c6a9105 100644
--- a/include/history_operation.inc.php
+++ b/include/history_operation.inc.php
@@ -22,11 +22,10 @@
 
 /**
  * \file
- *
- *
  * \brief display history of accountant , and let search into
  *
  */
+echo js_include("operation_payment.js");
 if ( ! defined ('ALLOWED') ) die('Appel direct ne sont pas permis');
 global $g_user,$cn,$http;
 $p_array = $_GET;
@@ -72,16 +71,6 @@ if (isset($_REQUEST['p_jrn']) &&
 
 $Ledger->id = $p_jrn;
 
-//------------------------------
-// UPdate the payment
-//------------------------------
-if (isset($_GET ['paid']))
-{
-    $ledger_paid=new Acc_Ledger($cn,$p_jrn);
-    $ledger_paid->update_paid($_GET);
-}
-
-
 $msg="";
 /* by default we should use the default period */
 if (!isset($p_array['date_start']))
@@ -105,12 +94,15 @@ list($sql, $where) = $Ledger->build_search_sql($p_array);
 $max_line = $cn->count_sql($sql);
 
 $step = $_SESSION[SESSION_KEY.'g_pagesize'];
-$page = (isset($_GET['offset'])) ? $http->get('page') : 1;
-$offset = (isset($_GET['offset'])) ? $http->get('offset') : 0;
+try
+{
+    $page = $http->get('page','string',1); 
+    $offset =$http->get('offset','string',0); 
+} catch (\Exception $e)
+{
+    $page=1;$offset=0;
+}
 
-// check if number
-$page=(isNumber($page)==0)?1:$page;
-$offset=(isNumber($offset)==0)?0:$offset;
 
 $bar = navigation_bar($offset, $max_line, $step, $page);
 
@@ -162,11 +154,6 @@ if (isset($_GET['search_opr_jrn']))
 }
 echo $r;
 
-if ($ask_pay) {
-	echo '<p>' . HtmlInput::submit('paid', _('Mise à jour paiement')) . IButton::select_checkbox('fpaida') . IButton::unselect_checkbox('fpaida') . '</p>';
-        echo ICheckBox::javascript_set_range("paid_operation_ck");
-}
-
 echo '</form>';
 /*
  * Export to csv
@@ -205,5 +192,11 @@ echo HtmlInput::hidden('qcode',trim($qcode));
 echo '</form>';
 
 echo '</div>';
-return;
+if ( $ask_pay){
 ?>
+<script>
+    var operation_payment=new Operation_Payment("paid_operation_ck",'<?=Dossier::id()?>','<?=$http->request("ac")?>');
+    operation_payment.activate_checkbox_range()
+</script>
+<?php
+}
\ No newline at end of file