diff --git a/htdocs/core/class/hookmanager.class.php b/htdocs/core/class/hookmanager.class.php
index 136d034a0ec..cf3c7b8ba96 100755
--- a/htdocs/core/class/hookmanager.class.php
+++ b/htdocs/core/class/hookmanager.class.php
@@ -115,7 +115,8 @@ class HookManager
      * 		@param		Object	&$object		Object to use hooks on
      * 	    @param		string	&$action		Action code on calling page ('create', 'edit', 'view', 'add', 'update', 'delete'...)
      * 		@return		mixed					For doActions,formObjectOptions:    Return 0 if we want to keep standard actions, >0 if if want to stop standard actions, <0 means KO.
-     * 											For printSearchForm,printLeftBlock,printTopRightMenu,...: Return HTML string.
+     * 											For printSearchForm,printLeftBlock,printTopRightMenu,formAddObjectLine,...: Return HTML string. TODO Must always return an int and things to print into ->resprints. 
+     *                                          Can also return some values into an array ->results.
      * 											$this->error or this->errors are also defined by class called by this function if error.
      */
 	function executeHooks($method, $parameters=false, &$object='', &$action='')
@@ -127,45 +128,58 @@ class HookManager
 
         // Loop on each hook to qualify modules that declared context
         $modulealreadyexecuted=array();
-        $resaction=0; $resprint='';
+        $resaction=0; $error=0;
+		$this->resPrint=''; $this->resArray=array();
         foreach($this->hooks as $modules)    // this->hooks is an array with context as key and value is an array of modules that handle this context
         {
             if (! empty($modules))
             {
                 foreach($modules as $module => $actionclassinstance)
                 {
-                    // test to avoid to run twice a hook, when a module implements several active contexts
+                	// jump to next class if method does not exists
+                    if (! method_exists($actionclassinstance,$method)) continue;
+                	// test to avoid to run twice a hook, when a module implements several active contexts
                     if (in_array($module,$modulealreadyexecuted)) continue;
                     $modulealreadyexecuted[$module]=$module;
 
                     // Hooks that return int
-                    if (($method == 'doActions' || $method == 'formObjectOptions') && method_exists($actionclassinstance,$method))
+                    if (($method == 'doActions' || $method == 'formObjectOptions'))
                     {
-                        $resaction+=$actionclassinstance->$method($parameters, $object, $action, $this); // $object and $action can be changed by method ($object->id during creation for example or $action to go back to other action for example)
-                        if ($resaction < 0 || ! empty($actionclassinstance->error) || (! empty($actionclassinstance->errors) && count($actionclassinstance->errors) > 0))
-                        {
-                            $this->error=$actionclassinstance->error; $this->errors=array_merge($this->errors, (array) $actionclassinstance->errors);
-                            if ($method == 'doActions')
-                            {
-                                if ($action=='add')    $action='create';    // TODO this change must be inside the doActions
-                                if ($action=='update') $action='edit';      // TODO this change must be inside the doActions
-                            }
-                        }
+                    	$resaction+=$actionclassinstance->$method($parameters, $object, $action, $this); // $object and $action can be changed by method ($object->id during creation for example or $action to go back to other action for example)
+                    	if ($resaction < 0 || ! empty($actionclassinstance->error) || (! empty($actionclassinstance->errors) && count($actionclassinstance->errors) > 0))
+                    	{
+                    		$error++;
+                    		$this->error=$actionclassinstance->error; $this->errors=array_merge($this->errors, (array) $actionclassinstance->errors);
+                    		// TODO remove this. Change must be inside the method if required
+                    		if ($method == 'doActions')
+                    		{
+                    			if ($action=='add')    $action='create';
+                    			if ($action=='update') $action='edit';
+                    		}
+                    	}
                     }
-                    // Generic hooks that return a string (printSearchForm, printLeftBlock, formBuilddocOptions, ...)
-                    else if (method_exists($actionclassinstance,$method))
+                    // Generic hooks that return a string (printSearchForm, printLeftBlock, printTopRightMenu, formAddObjectLine, formBuilddocOptions, ...)
+                    else
                     {
-                        if (is_array($parameters) && ! empty($parameters['special_code']) && $parameters['special_code'] > 3 && $parameters['special_code'] != $actionclassinstance->module_number) continue;
+                    	// TODO. this should be done into the method by returning nothing
+                    	if (is_array($parameters) && ! empty($parameters['special_code']) && $parameters['special_code'] > 3 && $parameters['special_code'] != $actionclassinstance->module_number) continue;
+
                     	$result = $actionclassinstance->$method($parameters, $object, $action, $this);
-                    	if (is_array($result)) $this->resArray = array_merge($this->resArray, $result);
-                    	else $resprint.=$result;
+
+                    	if (is_array($actionclassinstance->results))  $this->resArray =array_merge($this->resArray, $actionclassinstance->results);
+                    	if (! empty($actionclassinstance->resprints)) $this->resPrint.=$actionclassinstance->resprints;
+
+                    	// TODO. remove this. array result must be set into $actionclassinstance->results
+                    	if (is_array($result)) $this->resArray = array_merge($this->resArray, $result);
+                    	// TODO. remove this. result must not be a string. we must use $actionclassinstance->resprint to return a string
+                    	if (! is_array($result) && ! is_numeric($result)) $this->resPrint.=$result;
                     }
                 }
             }
         }
 
-        if ($method == 'doActions' || $method == 'formObjectOptions') return $resaction;
-        return $resprint;
+        if ($method != 'doActions' && $method != 'formObjectOptions') return $this->resPrint;	// TODO remove this. When there is something to print, ->resPrint is filled. 
+        return ($error?-1:$resaction);
 	}
 
 }
diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 2cce0fcbdfa..d2afb9a8633 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -1447,7 +1447,8 @@ class Form
 
             $num = $this->db->num_rows($result);
 
-            $outselect.='<select class="flat" id="select'.$htmlname.'" name="'.$htmlname.'">';
+            //$outselect.='<select class="flat" id="select'.$htmlname.'" name="'.$htmlname.'">';	// remove select to have id same with combo and ajax
+            $outselect.='<select class="flat" id="'.$htmlname.'" name="'.$htmlname.'">';
             if (! $selected) $outselect.='<option value="0" selected="selected">&nbsp;</option>';
             else $outselect.='<option value="0">&nbsp;</option>';
 
diff --git a/htdocs/core/lib/ajax.lib.php b/htdocs/core/lib/ajax.lib.php
index 824d326883d..4b5b4f986ce 100644
--- a/htdocs/core/lib/ajax.lib.php
+++ b/htdocs/core/lib/ajax.lib.php
@@ -49,8 +49,13 @@ function ajax_autocompleter($selected, $htmlname, $url, $urloption='', $minLengt
 
 					// Remove product id before select another product
 					// use keyup instead change to avoid loosing the product id
-					$("input#search_'.$htmlname.'").keyup(function() {
-							$("#'.$htmlname.'").val("").trigger("change");
+					$("input#search_'.$htmlname.'").keydown(function() {
+						//console.log(\'purge_id_after_keydown\');
+						$("#'.$htmlname.'").val("");
+					});
+					$("input#search_'.$htmlname.'").change(function() {
+						//console.log(\'keyup\');
+						$("#'.$htmlname.'").trigger("change");
 					});
 					// Check when keyup
 					$("input#search_'.$htmlname.'").onDelayedKeyup({ handler: function() {
@@ -116,6 +121,7 @@ function ajax_autocompleter($selected, $htmlname, $url, $urloption='', $minLengt
 						dataType: "json",
     					minLength: '.$minLength.',
     					select: function( event, ui ) {
+							//console.log(\'set value of id with \'+ui.item.id);
     						$("#'.$htmlname.'").val(ui.item.id).trigger("change");
     						// Disable an element
     						if (options.option_disabled) {
diff --git a/htdocs/core/tpl/predefinedproductline_create.tpl.php b/htdocs/core/tpl/predefinedproductline_create.tpl.php
index 601f463682d..6897a523b56 100644
--- a/htdocs/core/tpl/predefinedproductline_create.tpl.php
+++ b/htdocs/core/tpl/predefinedproductline_create.tpl.php
@@ -1,6 +1,6 @@
 <?php
 /* Copyright (C) 2010-2012	Regis Houssin		<regis@dolibarr.fr>
- * Copyright (C) 2010-2011	Laurent Destailleur	<eldy@users.sourceforge.net>
+ * Copyright (C) 2010-2012	Laurent Destailleur	<eldy@users.sourceforge.net>
  * Copyright (C) 2012		Christophe Battarel	<christophe.battarel@altairis.fr>
  *
  * This program is free software; you can redistribute it and/or modify
@@ -42,15 +42,14 @@
 	<td align="right"><?php echo $langs->trans('ReductionShort'); ?></td>
 <?php
 $colspan = 4;
-if (! empty($conf->margin->enabled)) {
+if (! empty($conf->margin->enabled)) 
+{
+	if (! empty($conf->global->DISPLAY_MARGIN_RATES)) $colspan++;
+	if (! empty($conf->global->DISPLAY_MARK_RATES))   $colspan++;
 ?>
 	<td align="right"><?php echo $langs->trans('BuyingPrice'); ?></td>
-<?php
-  if (! empty($conf->global->DISPLAY_MARGIN_RATES))
-    $colspan++;
-  if (! empty($conf->global->DISPLAY_MARK_RATES))
-    $colspan++;
-}
+<?php 
+} 
 ?>
 	<td colspan="<?php echo $colspan; ?>">&nbsp;</td>
 </tr>
@@ -63,7 +62,7 @@ if (! empty($conf->margin->enabled)) {
 <script type="text/javascript">
 jQuery(document).ready(function() {
 	jQuery('#idprod').change(function() {
-		  jQuery('#np_desc').focus();
+		  if (jQuery('#idprod').val() > 0) jQuery('#np_desc').focus();
 	});
 });
 </script>
@@ -97,17 +96,16 @@ jQuery(document).ready(function() {
 	<td align="right" nowrap><input type="text" size="1" name="remise_percent" value="<?php echo $buyer->remise_client; ?>">%</td>
 <?php
 $colspan = 4;
-if (! empty($conf->margin->enabled)) {
+if (! empty($conf->margin->enabled)) 
+{
+	if (! empty($conf->global->DISPLAY_MARGIN_RATES)) $colspan++;
+	if (! empty($conf->global->DISPLAY_MARK_RATES))   $colspan++;
 ?>
 	<td align="right">
 		<select id="fournprice" name="fournprice" style="display: none;"></select>
 		<input type="text" size="5" id="buying_price" name="buying_price" value="<?php echo (isset($_POST["buying_price"])?$_POST["buying_price"]:''); ?>">
 	</td>
 <?php
-  if (! empty($conf->global->DISPLAY_MARGIN_RATES))
-    $colspan++;
-  if (! empty($conf->global->DISPLAY_MARK_RATES))
-    $colspan++;
 }
 ?>
 	<td align="center" valign="middle" colspan="<?php echo $colspan; ?>">
@@ -115,18 +113,17 @@ if (! empty($conf->margin->enabled)) {
 	</td>
 </tr>
 
-<?php if (! empty($conf->service->enabled) && $dateSelector) {
-if (! empty($conf->global->MAIN_VIEW_LINE_NUMBER))
-	$colspan = 10;
-else
-	$colspan = 9;
-if (! empty($conf->margin->enabled)) {
-	$colspan++; // For the buying price
-	if (! empty($conf->global->DISPLAY_MARGIN_RATES))
-		$colspan++;
-	if (! empty($conf->global->DISPLAY_MARK_RATES))
-		$colspan++;
-}
+<?php 
+if (! empty($conf->service->enabled) && $dateSelector) 
+{
+	if (! empty($conf->global->MAIN_VIEW_LINE_NUMBER)) $colspan = 10;
+	else $colspan = 9;
+	if (! empty($conf->margin->enabled))
+	{
+		$colspan++; // For the buying price
+		if (! empty($conf->global->DISPLAY_MARGIN_RATES)) $colspan++;
+		if (! empty($conf->global->DISPLAY_MARK_RATES))   $colspan++;
+	}
 ?>
 <tr <?php echo $bcnd[$var]; ?>>
 	<td colspan="<?php echo $colspan; ?>">
@@ -138,11 +135,15 @@ if (! empty($conf->margin->enabled)) {
 	?>
 	</td>
 </tr>
-<?php } ?>
+<?php
+} 
+?>
 
 </form>
+
 <?php
-if (! empty($conf->margin->enabled)) {
+if (! empty($conf->margin->enabled)) 
+{
 ?>
 <script type="text/javascript">
 $("#idprod").change(function() {
@@ -177,5 +178,7 @@ $("#idprod").change(function() {
   'json');
 });
 </script>
-<?php } ?>
+<?php
+} 
+?>
 <!-- END PHP TEMPLATE predefinedproductline_create.tpl.php -->
diff --git a/htdocs/fourn/commande/fiche.php b/htdocs/fourn/commande/fiche.php
index c57d9e12bfc..e9e11a5d557 100644
--- a/htdocs/fourn/commande/fiche.php
+++ b/htdocs/fourn/commande/fiche.php
@@ -1461,12 +1461,22 @@ if ($id > 0 || ! empty($ref))
             print '<td colspan="4">&nbsp;</td>';
             print '</tr>';
 
+            // TODO Use the predefinedproductline_create.tpl.php file
+            
             // Add free products/services form
             print '<form action="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'#add" method="post">';
             print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
             print '<input type="hidden"	name="action" value="addline">';
             print '<input type="hidden"	name="id" value="'.$object->id.'">';
 
+            print '<script type="text/javascript">
+            	jQuery(document).ready(function() {
+            		jQuery(\'#idprodfournprice\').change(function() {
+            			if (jQuery(\'#idprodfournprice\').val() > 0) jQuery(\'#np_desc\').focus();
+            		});
+            	});
+            </script>';
+                        
             $var=true;
             print '<tr '.$bc[$var].'>';
             print '<td>';
diff --git a/htdocs/fourn/facture/fiche.php b/htdocs/fourn/facture/fiche.php
index e4dff4117bd..648df36f946 100644
--- a/htdocs/fourn/facture/fiche.php
+++ b/htdocs/fourn/facture/fiche.php
@@ -1814,10 +1814,20 @@ else
                 print '<td colspan="4">&nbsp;</td>';
                 print '</tr>';
 
+                // TODO Use the predefinedproductline_create.tpl.php file
                 print '<form name="addline_predef" action="'.$_SERVER["PHP_SELF"].'?id='.$object->id.'&amp;action=addline" method="post">';
                 print '<input type="hidden" name="token" value="'.$_SESSION['newtoken'].'">';
                 print '<input type="hidden" name="socid" value="'. $object->socid .'">';
                 print '<input type="hidden" name="facid" value="'.$object->id.'">';
+                
+                print '<script type="text/javascript">
+                		jQuery(document).ready(function() {
+                			jQuery(\'#idprodfournprice\').change(function() {
+                				if (jQuery(\'#idprodfournprice\').val() > 0) jQuery(\'#np_desc\').focus();
+                			});
+                		});
+                </script>';
+                           
                 $var=! $var;
                 print '<tr '.$bc[$var].'>';
                 print '<td colspan="4">';
diff --git a/htdocs/societe/soc.php b/htdocs/societe/soc.php
index a916a7377c3..d922ea8f51d 100644
--- a/htdocs/societe/soc.php
+++ b/htdocs/societe/soc.php
@@ -1121,7 +1121,7 @@ else
             print '<table class="border" width="100%">';
 
             // Name
-            print '<tr><td><span class="fieldrequired">'.$langs->trans('ThirdPartyName').'</span></td><td colspan="3"><input type="text" size="40" maxlength="60" name="nom" value="'.$object->name.'"></td></tr>';
+            print '<tr><td><span class="fieldrequired">'.$langs->trans('ThirdPartyName').'</span></td><td colspan="3"><input type="text" size="40" maxlength="60" name="nom" value="'.dol_escape_htmltag($object->name).'"></td></tr>';
 
             // Prefix
             if (! empty($conf->global->SOCIETE_USEPREFIX))  // Old not used prefix field
@@ -1130,12 +1130,12 @@ else
                 // It does not change the prefix mode using the auto numbering prefix
                 if (($prefixCustomerIsUsed || $prefixSupplierIsUsed) && $object->prefix_comm)
                 {
-                    print '<input type="hidden" name="prefix_comm" value="'.$object->prefix_comm.'">';
+                    print '<input type="hidden" name="prefix_comm" value="'.dol_escape_htmltag($object->prefix_comm).'">';
                     print $object->prefix_comm;
                 }
                 else
                 {
-                    print '<input type="text" size="5" maxlength="5" name="prefix_comm" value="'.$object->prefix_comm.'">';
+                    print '<input type="text" size="5" maxlength="5" name="prefix_comm" value="'.dol_escape_htmltag($object->prefix_comm).'">';
                 }
                 print '</td>';
             }