diff --git a/htdocs/html.form.class.php b/htdocs/html.form.class.php
index 26cdf1ceee4..c6927f5ab3c 100644
--- a/htdocs/html.form.class.php
+++ b/htdocs/html.form.class.php
@@ -406,13 +406,9 @@ class Form
 				{
 					print '<input type="text" size="45" id="pays" name="pays" value="'.$obj->libelle.'" '.$htmloption.' />';
 				}
-				print '<span id="indicator" style="display: none">'.img_gif('Working...','ajaxworking').'</span>';
-				print '<input type="hidden" name="pays_id" id="pays_id" value="'.$pays_id.'" />';
-				print '</div>';
-				print '<div id="hint" class="autocomplete"></div>';
-				print '<script type="text/javascript">';
-				print 'new Ajax.Autocompleter(\'pays\',\'hint\',\''.DOL_URL_ROOT.'/societe/ajaxcountries.php\',{method: \'post\',paramName: \'pays\',afterUpdateElement: ac_return});';
-				print '</script>';
+				
+				print ajax_autocompleter($pays_id,'pays','/societe/ajaxcountries.php','ajaxworking');
+
 			}
 			else
 			{
@@ -821,14 +817,8 @@ class Form
     global $langs,$conf,$user;
     if ($conf->global->PRODUIT_USE_SEARCH_TO_SELECT)
     {
-    	print $langs->trans("RefOrLabel").' : <input type="text" size="16" name="'.$htmlname.'" id="'.$htmlname.'">';
-    	print '<span id="indicator" style="display: none">'.img_gif('Working...','ajaxworking').'</span>';
-    	print '<input type="hidden" name="'.$htmlname.'" id="'.$htmlname.'" value="">';
-    	print '<script type="text/javascript">';
-    	print 'var url = \''.DOL_URL_ROOT.'/product/ajaxproducts.php\';';
-    	print 'new Form.Element.Observer($("'.$htmlname.'"), 1, function(){var myAjax = new Ajax.Updater( {success: \'ajdynfield'.$htmlname.'\'}, url, {method: \'get\', parameters: "keysearch="+$("'.$htmlname.'").value+"&htmlname='.$htmlname.'&price_level='.$price_level.'"});});';
-    	print '</script>';
-    	print '<div class="notopnoleftnoright" id="ajdynfield'.$htmlname.'"></div>';
+    	print $langs->trans("RefOrLabel").' : <input type="text" size="16" name="keysearch'.$htmlname.'" id="keysearch'.$htmlname.'">';
+    	print ajax_updater($htmlname,'keysearch','/product/ajaxproducts.php','&price_level='.$price_level.'','ajaxworking');
     }
     else
     {
diff --git a/htdocs/includes/scriptaculous/dolibarr_changes.txt b/htdocs/includes/scriptaculous/dolibarr_changes.txt
deleted file mode 100644
index 77759e9cbd0..00000000000
--- a/htdocs/includes/scriptaculous/dolibarr_changes.txt
+++ /dev/null
@@ -1,15 +0,0 @@
-If scriptaculous files are replaced by new version, following changes must be done:
-
-* Edit prototype.js to set:
-***************************
-
-Ajax.Responders.register({
-  onCreate: function() {
-    $('indicator').show( );
-    Ajax.activeRequestCount++;
-  },
-  onComplete: function() {
-    $('indicator').hide( );
-    Ajax.activeRequestCount--;
-  }
-});
\ No newline at end of file
diff --git a/htdocs/includes/scriptaculous/lib/prototype.js b/htdocs/includes/scriptaculous/lib/prototype.js
index 5ccac892133..0476b8fdccc 100644
--- a/htdocs/includes/scriptaculous/lib/prototype.js
+++ b/htdocs/includes/scriptaculous/lib/prototype.js
@@ -793,11 +793,9 @@ Object.extend(Ajax.Responders, Enumerable);
 
 Ajax.Responders.register({
   onCreate: function() {
-    $('indicator').show( );
     Ajax.activeRequestCount++;
   },
   onComplete: function() {
-    $('indicator').hide( );
     Ajax.activeRequestCount--;
   }
 });
diff --git a/htdocs/lib/functions.inc.php b/htdocs/lib/functions.inc.php
index 0254d402297..6a782d1e82b 100644
--- a/htdocs/lib/functions.inc.php
+++ b/htdocs/lib/functions.inc.php
@@ -2598,5 +2598,66 @@ function num_open_day($timestampStart, $timestampEnd,$inhour=0,$lastday=0)
 	return $nbOpenDay;
 }
 
+/**
+   \brief     Récupère la valeur d'un champ, effectue un traitement Ajax et affiche le résultat
+   \param	    htmlname            nom et id du champ
+   \param     keysearch           nom et id complémentaire du champ de collecte
+   \param	    url                 chemin du fichier de réponse : /chemin/fichier.php
+   \param     option              champ supplémentaire de recherche dans les paramètres
+   \param     indicator           nom de l'image gif
+   \return    script              script complet
+*/
+function ajax_updater($htmlname,$keysearch,$url,$option='',$indicator='ajaxworking')
+{
+	$script = '<input type="hidden" name="'.$htmlname.'" id="'.$htmlname.'" value="">';
+  $script.= '<span id="indicator'.$htmlname.'" style="display: none">'.img_gif('Working...',$indicator).'</span>';
+  $script.= '<script type="text/javascript">';
+  $script.= 'Ajax.Responders.register({
+               onCreate: function() {
+                 $(\'indicator'.$htmlname.'\').show( );
+               },
+               onComplete: function() {
+                 $(\'indicator'.$htmlname.'\').hide( );
+               }
+             });';
+  $script.= 'new Form.Element.Observer($("'.$keysearch.$htmlname.'"), 1,
+               function(){
+                  var myAjax = new Ajax.Updater( {
+                     success: \'ajdynfield'.$htmlname.'\'},
+                     \''.DOL_URL_ROOT.$url.'\', {
+                        method: \'get\',
+                        parameters: "'.$keysearch.'="+$("'.$keysearch.$htmlname.'").value+"&htmlname='.$htmlname.$option.'"
+                     });
+                   });';
+  $script.= '</script>';
+  $script.= '<div class="notopnoleftnoright" id="ajdynfield'.$htmlname.'"></div>';
+  
+  return $script;
+}
+
+/**
+   \brief     Récupère la valeur d'un champ, effectue un traitement Ajax et affiche le résultat
+   \param	    htmlname            nom et id du champ
+   \param	    url                 chemin du fichier de réponse : /chemin/fichier.php
+   \param     indicator           nom de l'image gif
+   \return    script              script complet
+*/
+function ajax_autocompleter($selected='',$htmlname,$url,$indicator='ajaxworking')
+{
+	$script.= '<span id="indicator'.$htmlname.'" style="display: none">'.img_gif('Working...',$indicator).'</span>';
+	$script.= '<input type="hidden" name="'.$htmlname.'_id" id="'.$htmlname.'_id" value="'.$selected.'" />';
+	$script.= '</div>';
+	$script.= '<div id="result'.$htmlname.'" class="autocomplete"></div>';
+	$script.= '<script type="text/javascript">';
+	$script.= 'new Ajax.Autocompleter(\''.$htmlname.'\',\'result'.$htmlname.'\',\''.DOL_URL_ROOT.$url.'\',{
+	           method: \'post\',
+	           paramName: \''.$htmlname.'\',
+	           indicator: \'indicator'.$htmlname.'\',
+	           afterUpdateElement: ac_return
+	         });';
+	$script.= '</script>';
+	
+	return $script;
+}
 
 ?>
diff --git a/htdocs/soc.php b/htdocs/soc.php
index 62e52c27b47..e51ca29dd2f 100644
--- a/htdocs/soc.php
+++ b/htdocs/soc.php
@@ -426,7 +426,6 @@ if ($_POST["getcustomercode"] || $_POST["getsuppliercode"] ||
 
 		print '<tr><td width="25%">'.$langs->trans('Country').'</td><td colspan="3">';
 		$form->select_pays($soc->pays_id,'pays_id',$conf->use_javascript?' onChange="autofilltownfromzip_save_refresh_create()"':'');
-		if ($conf->use_javascript && $conf->use_ajax) print '<div id="hint"></div>';//utile pour afficher la recherche des pays avec ajax
 		print '</td></tr>';
 
 		print '<tr><td>'.$langs->trans('State').'</td><td colspan="3">';