diff --git a/client/javascript/externs/formReader/formReaderDrtv.js b/client/javascript/externs/formReader/formReaderDrtv.js
index 283bbc430a4b12761af760ab9563956ee0ac3e1e..5801417645f0a92ed6f514585bcc69aa4f5ee58b 100644
--- a/client/javascript/externs/formReader/formReaderDrtv.js
+++ b/client/javascript/externs/formReader/formReaderDrtv.js
@@ -2151,8 +2151,8 @@ formReader.appSubformGridDrtv = function ($timeout, $translate, propertiesSrvc,
 
                                     // Récupère lélément en sélectionné
                                     formReaderService['getWebServiceData'](oFormWebService).then(function (aResult) {
-
                                         var oSubformDefinition = aResult[0]['bo_json_form'];
+                                        var sSubformJSDefinition = aResult[0]['bo_json_form_js'];
                                         var oSubformValues = {};
                                         var sModalId = 'formreader_' + scope['sFormUniqueName'] + '_grid_subform_modal';
 
@@ -2219,7 +2219,7 @@ formReader.appSubformGridDrtv = function ($timeout, $translate, propertiesSrvc,
                                             }
                                         });
 
-                                        formReaderService['showModalSubform'](sModalId, oSubformScope, oSubformDefinition, sSubformDefinitionName, oSubformValues);
+                                        formReaderService['showModalSubform'](sModalId, oSubformScope, oSubformDefinition, sSubformDefinitionName, oSubformValues, sSubformJSDefinition);
                                     });
                                 };
 
@@ -2247,6 +2247,7 @@ formReader.appSubformGridDrtv = function ($timeout, $translate, propertiesSrvc,
                         };
                         var sModalId = 'formreader_' + scope['sFormUniqueName'] + '_grid_subform_modal';
                         var oSubformDefinition = oBusinessObject['json_form'][0];
+                        var sSubformJSDefinition = oBusinessObject['json_form_js'];
                         var sSubformDefinitionName = 'insert';
 
                         // Grise le champ contenant la valeur du parent
@@ -2288,7 +2289,7 @@ formReader.appSubformGridDrtv = function ($timeout, $translate, propertiesSrvc,
                                 });
                             });
                         };
-                        formReaderService['showModalSubform'](sModalId, oSubformScope, oSubformDefinition, sSubformDefinitionName, oSubformValues);
+                        formReaderService['showModalSubform'](sModalId, oSubformScope, oSubformDefinition, sSubformDefinitionName, oSubformValues, sSubformJSDefinition);
                     };
 
                     /**
diff --git a/client/javascript/externs/formReader/formReaderSrvc.js b/client/javascript/externs/formReader/formReaderSrvc.js
index 6ca6ef291e6a45bdf3b6298b998729bd7abddef5..613652f9c35ccf385e3b72c1c26432d8e0e8a09f 100644
--- a/client/javascript/externs/formReader/formReaderSrvc.js
+++ b/client/javascript/externs/formReader/formReaderSrvc.js
@@ -1230,15 +1230,15 @@ formReader.formReaderService = function ($translate, $rootScope, $q, $log, $time
          * @param {object} oSubformDefinition
          * @param {object} oSubformDefinitionName
          * @param {object} oSubformValues
+         * @param {string|null} sSubformJSDefinition
          */
-        "showModalSubform": function (sModalId, oSubformScope, oSubformDefinition, oSubformDefinitionName, oSubformValues) {
+        "showModalSubform": function (sModalId, oSubformScope, oSubformDefinition, oSubformDefinitionName, oSubformValues, sSubformJSDefinition) {
             $log.log("showModalSubform");
 
             var sToken = this['sToken'];
             var oProperties = this['oProperties'];
 
-            if (goog.isDefAndNotNull(oSubformScope['loadSubForm'])) {
-
+            var loadForm = function(){
                 oSubformScope['loadSubForm']({
                     'sFormDefinitionName': oSubformDefinitionName,
                     'oFormDefinition': oSubformDefinition,
@@ -1246,6 +1246,30 @@ formReader.formReaderService = function ($translate, $rootScope, $q, $log, $time
                     'oProperties': oProperties,
                     'sToken': sToken
                 });
+            }
+
+            if (goog.isDefAndNotNull(oSubformScope['loadSubForm'])) {
+
+                if (goog.isDefAndNotNull(sSubformJSDefinition)) {
+                    var sUrl = sSubformJSDefinition;
+                    oVmap.log("initHtmlForm : javascript assoc. to : " + sUrl);
+                    loadExternalJs([sUrl], {
+                        "callback": function () {
+                            loadForm();
+                            try {
+                                if (goog.isDef(constructor_form)) {
+                                    constructor_form(oSubformScope, sUrl);
+                                }
+                            } catch (e) {
+                                oVmap.log("constructor_form does not exist");
+                            }
+                        },
+                        "async": true,
+                        "scriptInBody": true
+                    });
+                } else {
+                    loadForm();
+                }
 
                 $('#' + sModalId).modal('show');
             }