diff --git a/modules/blocklayered/blocklayered.php b/modules/blocklayered/blocklayered.php
index a629345d2..03efc8d51 100644
--- a/modules/blocklayered/blocklayered.php
+++ b/modules/blocklayered/blocklayered.php
@@ -1320,13 +1320,7 @@ class BlockLayered extends Module
 		if (Tools::isSubmit('SubmitFilter'))
 		{
 			if (!Tools::getValue('layered_tpl_name'))
-				$html .= '
-				<div class="error">
-					<span style="float:right">
-						<a href="" id="hideError"><img src="../img/admin/close.png" alt="X"></a>
-					</span>
-					<img src="../img/admin/error2.png">'.$this->l('Filter template name required (cannot be empty)').'
-				</div>';
+				$html .= $this->displayError($this->l('Filter template name required (cannot be empty)'));
 			else
 			{
 				if (isset($_POST['id_layered_filter']) && $_POST['id_layered_filter'])
@@ -1409,9 +1403,8 @@ class BlockLayered extends Module
 					Db::getInstance()->autoExecute(_DB_PREFIX_.'layered_filter', $values_to_insert, 'INSERT');
 					$this->buildLayeredCategories();
 					
-					$html .= '<div class="conf">'.
-						$this->l('Your filter').' "'.Tools::safeOutput(Tools::getValue('layered_tpl_name')).'" '.
-						((isset($_POST['id_layered_filter']) && $_POST['id_layered_filter']) ? $this->l('was updated successfully.') : $this->l('was added successfully.')).'</div>';
+					$html .= $this->displayConfirmation($this->l('Your filter').' "'.Tools::safeOutput(Tools::getValue('layered_tpl_name')).'" '.
+						((isset($_POST['id_layered_filter']) && $_POST['id_layered_filter']) ? $this->l('was updated successfully.') : $this->l('was added successfully.')));
 				}
 			}
 		}
@@ -1442,18 +1435,10 @@ class BlockLayered extends Module
 				Db::getInstance()->execute('DELETE FROM '._DB_PREFIX_.'layered_filter WHERE id_layered_filter = '.(int)$_GET['id_layered_filter'].' LIMIT 1');
 				$this->buildLayeredCategories();
 
-				$html .= '
-				<div class="conf">'.
-					$this->l('Filter template deleted, categories updated (reverted to default Filter template).').'
-				</div>';
+				$html .= $this->displayConfirmation($this->l('Filter template deleted, categories updated (reverted to default Filter template).'));
 			}
 			else
-			{
-				$html .= '
-				<div class="error">
-					<img src="../img/admin/error.png" alt="" title="" /> '.$this->l('Filter template not found').'
-				</div>';
-			}
+				$html .= $this->displayError($this->l('Filter template not found'));
 		}
 
 		$html .= '
diff --git a/modules/blocktags/blocktags.php b/modules/blocktags/blocktags.php
index 98a9dd173..4e4c24414 100644
--- a/modules/blocktags/blocktags.php
+++ b/modules/blocktags/blocktags.php
@@ -61,9 +61,9 @@ class BlockTags extends Module
 		if (Tools::isSubmit('submitBlockTags'))
 		{
 			if (!($tagsNbr = Tools::getValue('BLOCKTAGS_NBR')) || empty($tagsNbr))
-				$output .= $this->displayErrors($this->l('Please complete the "tags displayed" field.'));
+				$output .= $this->displayError($this->l('Please complete the "tags displayed" field.'));
 			elseif ((int)($tagsNbr) == 0)
-				$output .= $this->displayErrors($this->l('Invalid number.'));
+				$output .= $this->displayError($this->l('Invalid number.'));
 			else
 			{
 				Configuration::updateValue('BLOCKTAGS_NBR', (int)$tagsNbr);
diff --git a/modules/blockviewed/blockviewed.php b/modules/blockviewed/blockviewed.php
index aa6188f9d..d4e92c1bf 100644
--- a/modules/blockviewed/blockviewed.php
+++ b/modules/blockviewed/blockviewed.php
@@ -62,9 +62,9 @@ class BlockViewed extends Module
 		if (Tools::isSubmit('submitBlockViewed'))
 		{
 			if (!($productNbr = Tools::getValue('PRODUCTS_VIEWED_NBR')) || empty($productNbr))
-				$output .= $this->displayErrors($this->l('You must fill in the \'Products displayed\' field.'));
+				$output .= $this->displayError($this->l('You must fill in the \'Products displayed\' field.'));
 			elseif ((int)($productNbr) == 0)
-				$output .= $this->displayErrors($this->l('Invalid number.'));
+				$output .= $this->displayError($this->l('Invalid number.'));
 			else
 			{
 				Configuration::updateValue('PRODUCTS_VIEWED_NBR', (int)$productNbr);
diff --git a/modules/cheque/cheque.php b/modules/cheque/cheque.php
index eea1aa831..1aae69bda 100644
--- a/modules/cheque/cheque.php
+++ b/modules/cheque/cheque.php
@@ -121,7 +121,7 @@ class Cheque extends PaymentModule
 				$this->_postProcess();
 			else
 				foreach ($this->_postErrors as $err)
-					$this->_html .= $this->displayErrors($err);
+					$this->_html .= $this->displayError($err);
 		}
 
 		$this->_html .= $this->_displayCheque();
diff --git a/modules/productcomments/productcomments.php b/modules/productcomments/productcomments.php
index 95e87fe61..c6cd8b8ef 100644
--- a/modules/productcomments/productcomments.php
+++ b/modules/productcomments/productcomments.php
@@ -248,7 +248,7 @@ class ProductComments extends Module
 			$defaultLanguage = new Language((int)(Configuration::get('PS_LANG_DEFAULT')));
 			if (!Tools::getValue('criterion_'.$defaultLanguage->id))
 			{
-				$this->_html .= '<div class="error"><img src="../img/admin/error2.png" />'.$this->l('The field <b>Name</b> is required at least in').' '.$defaultLanguage->name.'</div>';
+				$this->_html .= $this->displayError($this->l('The field <b>Name</b> is required at least in').' '.$defaultLanguage->name);
 				return;
 			}
 
@@ -256,7 +256,7 @@ class ProductComments extends Module
 			$productCommentCriterion->active = (int)Tools::getValue('criterion_active');
 
 			if ($productCommentCriterion->save())
-				$this->_html .= '<div class="conf confirm">'.(Tools::getValue('editCriterion') ? $this->l('Criterion updated') : $this->l('Criterion added')).'</div>';
+				$this->_html .= $this->displayConfirmation((Tools::getValue('editCriterion') ? $this->l('Criterion updated') : $this->l('Criterion added')));
 		}
 		else if (!empty($action_criterion) && empty($name))
 		{
diff --git a/modules/referralprogram/referralprogram.php b/modules/referralprogram/referralprogram.php
index 0d497e619..4786772ed 100644
--- a/modules/referralprogram/referralprogram.php
+++ b/modules/referralprogram/referralprogram.php
@@ -655,4 +655,85 @@ class ReferralProgram extends Module
 		}
 		return false;
 	}
+	
+	public function renderForm()
+	{	
+		$fields_form_1 = array(
+			'form' => array(
+				'legend' => array(
+					'title' => $this->l('Settings'),
+					'icon' => 'icon-cogs'
+				),
+				'input' => array(
+					array(
+						'type' => 'text',
+						'name' => '',
+						'class' => 'fixed-width-md',
+						'label' => $this->l('Minimum number of orders a sponsored friend must place to get their voucher:'),
+					),
+				), 
+				'submit' => array(
+					'title' => $this->l('Delete catalog'),
+					'class' => 'btn btn-primary',
+					'name' => 'submitTruncateCatalog',
+					'id' => 'submitTruncateCatalog',
+					)
+			),
+		);
+		
+		$fields_form_2 = array(
+			'form' => array(
+				'legend' => array(
+					'title' => $this->l('Orders and customers'),
+					'icon' => 'icon-cogs'
+				),
+				'description' => $this->l('I understand that all the orders and customers will be removed without possible rollback: customers, carts, orders, connections, guests, messages, stats...'),
+				'submit' => array(
+					'title' => $this->l('Delete orders & customers'),
+					'class' => 'btn btn-primary',
+					'name' => 'submitTruncateSales',
+					'id' => 'submitTruncateSales',
+					)
+			),
+		);
+		
+		$fields_form_3 = array(
+			'form' => array(
+				'legend' => array(
+					'title' => $this->l('Functional integrity constraints'),
+					'icon' => 'icon-cogs'
+				),
+			'submit' => array(
+				'title' => $this->l('Check & fix'),
+				'class' => 'btn btn-primary',
+				'name' => 'submitCheckAndFix',
+				)
+			),
+		);
+		
+		$helper = new HelperForm();
+		$helper->show_toolbar = false;
+		$helper->table =  $this->table;
+		$lang = new Language((int)Configuration::get('PS_LANG_DEFAULT'));
+		$helper->default_form_language = $lang->id;
+		$helper->allow_employee_form_lang = Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') ? Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') : 0;
+		$this->fields_form = array();
+		$helper->id = (int)Tools::getValue('id_carrier');
+		$helper->identifier = $this->identifier;
+		$helper->submit_action = 'btnSubmit';
+		$helper->currentIndex = $this->context->link->getAdminLink('AdminModules', false).'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name;
+		$helper->token = Tools::getAdminTokenLite('AdminModules');
+		$helper->tpl_vars = array(
+			'fields_value' => $this->getConfigFieldsValues(),
+			'languages' => $this->context->controller->getLanguages(),
+			'id_language' => $this->context->language->id
+		);
+
+		return $helper->generateForm(array($fields_form_1, $fields_form_2, $fields_form_3));
+	}
+	
+	public function getConfigFieldsValues()
+	{
+		return array('value' => '');
+	}
 }