diff --git a/cache/class_index.php b/cache/class_index.php
index c4c6a95d1..6eb35fa3f 100644
--- a/cache/class_index.php
+++ b/cache/class_index.php
@@ -242,7 +242,7 @@
   'CarrierCore' => 'classes/Carrier.php',
   'CarrierModule' => '',
   'CarrierModuleCore' => 'classes/module/CarrierModule.php',
-  'Cart' => 'override/classes/Cart.php',
+  'Cart' => '',
   'CartController' => '',
   'CartControllerCore' => 'controllers/front/CartController.php',
   'CartCore' => 'classes/Cart.php',
diff --git a/modules/referralprogram/mails/en/src/footer.php b/modules/referralprogram/mails/en/src/footer.php
new file mode 100644
index 000000000..5c3f426c5
--- /dev/null
+++ b/modules/referralprogram/mails/en/src/footer.php
@@ -0,0 +1,15 @@
+						<tr>
+							<td class="space_footer">&nbsp;</td>
+						</tr>
+						<tr>
+							<td class="footer">
+								<span><?php echo t('<a href="{shop_url}">{shop_name}</a> powered by <a href="http://www.prestashop.com/">PrestaShop&trade;</a>'); ?></span>
+							</td>
+						</tr>
+					</table>
+				</td>
+				<td class="space">&nbsp;</td>
+			</tr>
+		</table>
+	</body>
+</html>
\ No newline at end of file
diff --git a/modules/referralprogram/mails/en/src/header.php b/modules/referralprogram/mails/en/src/header.php
new file mode 100644
index 000000000..d36e1d7ac
--- /dev/null
+++ b/modules/referralprogram/mails/en/src/header.php
@@ -0,0 +1,54 @@
+<?php
+	if(!function_exists('t'))
+	{
+	function t($str)
+		{
+			return $str;
+		}
+	}
+
+	if(!function_exists('findRelativePathToAdminDir'))
+	{
+		function findRelativePathToAdminDir($maxDepth=6)
+		{
+			$path = '';
+			for($i=0; $i<$maxDepth; $i++)
+			{
+				foreach(scandir(dirname(__FILE__).'/'.$path) as $dir)
+				{
+					$candidate = $path.$dir.'/';
+					if(is_dir(dirname(__FILE__).'/'.$candidate.'tabs'))
+					{
+						return $candidate;
+					}
+				}
+				$path .= '../';
+			}
+
+			return false;
+		}
+	}
+
+	$admin = findRelativePathToAdminDir(); 
+?>
+
+<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/strict.dtd">
+<html>
+	<head>
+		<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+		<title><?php echo t('Message from {shop_name}'); ?></title>
+		<link rel="stylesheet" type="text/css" href="<?php echo $admin ?>themes/default/css/admin-theme/email.css">
+	</head>
+	<body>
+		<table class="table table-mail">
+			<tr>
+				<td class="space">&nbsp;</td>
+				<td align="center">
+					<table class="table">
+						<tr>
+							<td align="center" class="logo">
+								<a title="{shop_name}" href="{shop_url}">
+									<img src="{shop_logo}" alt="{shop_name}" />
+								</a>
+							</td>
+						</tr>
diff --git a/modules/referralprogram/mails/en/src/referralprogram-congratulations.php b/modules/referralprogram/mails/en/src/referralprogram-congratulations.php
new file mode 100644
index 000000000..e18b14a99
--- /dev/null
+++ b/modules/referralprogram/mails/en/src/referralprogram-congratulations.php
@@ -0,0 +1,28 @@
+<?php include ('header.php'); ?>
+
+<tr>
+	<td align="center">
+		<span class="title"><?php echo t('Congratulations!'); ?></span>
+	</td>
+</tr>
+<tr>
+	<td>&nbsp;</td>
+</tr>
+<tr>
+	<td class="box">
+		<span>
+			<?php echo t('Your referred friend,'); ?> <span><strong>{sponsored_firstname} {sponsored_lastname}</strong></span> <?php echo t('has placed his or her first order on <a href="{shop_url}">{shop_name}</a>!'); ?><br /><br /> 
+			<?php echo t('We are pleased to offer you a voucher worth'); ?> <span><strong>{discount_display} (voucher # {discount_name})</strong></span> <?php echo t('that you can use on your next order.'); ?>
+		</span>
+	</td>
+</tr>
+<tr>
+	<td>&nbsp;</td>
+</tr>
+<tr>
+	<td>
+		<span><?php echo t('Best regards,'); ?></span>
+	</td>
+</tr>
+
+<?php include ('footer.php'); ?>
\ No newline at end of file
diff --git a/modules/referralprogram/mails/en/src/referralprogram-invitation.php b/modules/referralprogram/mails/en/src/referralprogram-invitation.php
new file mode 100644
index 000000000..930589b76
--- /dev/null
+++ b/modules/referralprogram/mails/en/src/referralprogram-invitation.php
@@ -0,0 +1,31 @@
+<?php include ('header.php'); ?>
+
+<tr>
+	<td align="center">
+		<span class="title">{firstname_friend} {lastname_friend}, <?php echo t('join us!'); ?></span>
+	</td>
+</tr>
+<tr>
+	<td>&nbsp;</td>
+</tr>
+<tr>
+	<td class="box">
+		<span>
+			<?php echo t('Your friend,'); ?> <span><strong>{firstname} {lastname}</strong></span> <?php echo t('wants to refer you on <a href="{shop_url}">{shop_name}</a>!'); ?><br /><br /> 
+			<?php echo t('We are pleased to offer you a voucher worth'); ?> <span><strong>{discount_display} (voucher # {discount_name})</strong></span> <?php echo t('that you can use on your next order.'); ?><br /><br />
+			<?php echo t('Get referred and earn a discount voucher of'); ?> <span><strong>{discount}!</strong></span>
+			<a title="Register" href="{link}"><?php echo t('It&#039;s very easy to sign up. Just click here!'); ?></a>
+		</span>
+	</td>
+</tr>
+<tr>
+	<td>&nbsp;</td>
+</tr>
+<tr>
+	<td>
+		<span><?php echo t('When signing up, don&#039;t forget to provide the e-mail address of your referring friend:'); ?> <span><strong>{email}</strong></span>.<br/><br/>
+		<span><?php echo t('Best regards,'); ?>
+	</td>
+</tr>
+
+<?php include ('footer.php'); ?>
\ No newline at end of file
diff --git a/modules/referralprogram/mails/en/src/referralprogram-voucher.php b/modules/referralprogram/mails/en/src/referralprogram-voucher.php
new file mode 100644
index 000000000..c771e1b60
--- /dev/null
+++ b/modules/referralprogram/mails/en/src/referralprogram-voucher.php
@@ -0,0 +1,24 @@
+<?php include ('header.php'); ?>
+
+<tr>
+	<td align="center">
+		<span class="title"><?php echo t('Hi {firstname} {lastname},'); ?></span>
+	</td>
+</tr>
+<tr>
+	<td>&nbsp;</td>
+</tr>
+<tr>
+	<td class="box">
+		<p>
+			<?php echo t('Referral Program'); ?>
+		</p>
+		<span>
+			<?php echo t('We have created a voucher in your name for referring a friend.'); ?><br /> 
+			<?php echo t('Here is the code of your voucher:'); ?> <span><strong>{voucher_num}</strong></span><?php echo t(', with an amount of'); ?> <span><strong>{voucher_amount}</strong></span>.<br /><br />
+			<?php echo t('Simply copy/paste this code during the payment process for your next order.'); ?>
+		</span>
+	</td>
+</tr>
+
+<?php include ('footer.php'); ?>
\ No newline at end of file
