diff --git a/admin-dev/functions.php b/admin-dev/functions.php
index a68793d76..a8ccfa83a 100644
--- a/admin-dev/functions.php
+++ b/admin-dev/functions.php
@@ -75,7 +75,6 @@ function includeDatepicker($id, $time = false)
 function	rewriteSettingsFile($baseUrls = NULL, $theme = NULL, $arrayDB = NULL)
 {
  	$defines = array();
-	$defines['_PS_DIRECTORY_'] = ($baseUrls AND $baseUrls['_PS_DIRECTORY_']) ? $baseUrls['_PS_DIRECTORY_'] : _PS_DIRECTORY_;
 	$defines['_MEDIA_SERVER_1_'] = ($baseUrls AND isset($baseUrls['_MEDIA_SERVER_1_'])) ? $baseUrls['_MEDIA_SERVER_1_'] : _MEDIA_SERVER_1_;
 	$defines['_MEDIA_SERVER_2_'] = ($baseUrls AND isset($baseUrls['_MEDIA_SERVER_2_'])) ? $baseUrls['_MEDIA_SERVER_2_'] : _MEDIA_SERVER_2_;
 	$defines['_MEDIA_SERVER_3_'] = ($baseUrls AND isset($baseUrls['_MEDIA_SERVER_3_'])) ? $baseUrls['_MEDIA_SERVER_3_'] : _MEDIA_SERVER_3_;
diff --git a/admin-dev/init.php b/admin-dev/init.php
index a2a479631..63e58134f 100644
--- a/admin-dev/init.php
+++ b/admin-dev/init.php
@@ -34,8 +34,7 @@ if (isset($_GET['logout']))
 
 if (!$cookie->isLoggedBack())
 {
-	$destination = substr($_SERVER['REQUEST_URI'], strlen(dirname($_SERVER['SCRIPT_NAME'])) + 1);
-	Tools::redirectAdmin('login.php'.(empty($destination) || ($destination == 'index.php?logout') ? '' : '?redirect='.$destination));
+	Tools::redirectAdmin('login.php?redirect='.$_SERVER['REQUEST_URI']);
 }
 
 // Set current index 
diff --git a/admin-dev/login.php b/admin-dev/login.php
index e2ff575f5..34550de3b 100644
--- a/admin-dev/login.php
+++ b/admin-dev/login.php
@@ -51,10 +51,8 @@ if ((empty($_SERVER['HTTPS']) OR strtolower($_SERVER['HTTPS']) == 'off')
 		.'<br/><br/><a href="https://'.Tools::getServerName().$_SERVER['REQUEST_URI'].'">https://'.Tools::getServerName().$_SERVER['REQUEST_URI'].'</a>';
 }
 
-$cookie = new Cookie('psAdmin', substr($_SERVER['PHP_SELF'], strlen(__PS_BASE_URI__), -10));
-if (!isset($cookie->id_lang))
-	$cookie->id_lang = Configuration::get('PS_LANG_DEFAULT');
-$iso = strtolower(Language::getIsoById((int)($cookie->id_lang)));
+$cookie = Context::getContext()->cookie;
+$iso = strtolower(Language::getIsoById(Context::getContext()->language->id));
 include(_PS_TRANSLATIONS_DIR_.$iso.'/admin.php');
 include(_PS_TRANSLATIONS_DIR_.$iso.'/errors.php');
 
diff --git a/admin-dev/tabs/AdminLanguages.php b/admin-dev/tabs/AdminLanguages.php
index 0030353f9..636d5c42d 100644
--- a/admin-dev/tabs/AdminLanguages.php
+++ b/admin-dev/tabs/AdminLanguages.php
@@ -38,17 +38,19 @@ class AdminLanguages extends AdminTab
  		$this->fieldImageSettings = array(array('name' => 'flag', 'dir' => 'l'), array('name' => 'no-picture', 'dir' => 'p'));
 		
 		$this->fieldsDisplay = array(
-		'id_lang' => array('title' => $this->l('ID'), 'align' => 'center', 'width' => 25),
-		'flag' => array('title' => $this->l('Logo'), 'align' => 'center', 'image' => 'l', 'orderby' => false, 'search' => false),
-		'name' => array('title' => $this->l('Name'), 'width' => 120),
-		'iso_code' => array('title' => $this->l('ISO code'), 'width' => 70, 'align' => 'center'),
-		'language_code' => array('title' => $this->l('Language code'), 'width' => 70, 'align' => 'center'),
-		'active' => array('title' => $this->l('Enabled'), 'align' => 'center', 'active' => 'status', 'type' => 'bool'));
+			'id_lang' => array('title' => $this->l('ID'), 'align' => 'center', 'width' => 25),
+			'flag' => array('title' => $this->l('Logo'), 'align' => 'center', 'image' => 'l', 'orderby' => false, 'search' => false),
+			'name' => array('title' => $this->l('Name'), 'width' => 120),
+			'iso_code' => array('title' => $this->l('ISO code'), 'width' => 70, 'align' => 'center'),
+			'language_code' => array('title' => $this->l('Language code'), 'width' => 70, 'align' => 'center'),
+			'active' => array('title' => $this->l('Enabled'), 'align' => 'center', 'active' => 'status', 'type' => 'bool'),
+		);
 	
 		$this->optionTitle = $this->l('Languages options');
 		$this->_fieldsOptions = array(
-		'PS_LANG_DEFAULT' => array('title' => $this->l('Default language:'), 'desc' => $this->l('The default language used in shop'), 'cast' => 'intval', 'type' => 'select', 'identifier' => 'id_lang', 'list' => Language::getlanguages(false)),
+			'PS_LANG_DEFAULT' => array('title' => $this->l('Default language:'), 'desc' => $this->l('The default language used in shop'), 'cast' => 'intval', 'type' => 'select', 'identifier' => 'id_lang', 'list' => Language::getlanguages(false)),
 		);
+		$this->_group = 'GROUP BY a.id_lang';
 		
 		parent::__construct();
 	}
diff --git a/admin-dev/tabs/AdminPreferences.php b/admin-dev/tabs/AdminPreferences.php
index c81d3d183..87d169947 100644
--- a/admin-dev/tabs/AdminPreferences.php
+++ b/admin-dev/tabs/AdminPreferences.php
@@ -172,7 +172,7 @@ class AdminPreferences extends AdminTab
 	{
 		$languages = Language::getLanguages(false);
 
-		Tools::clearCache($smarty);
+		Tools::clearCache($this->context->smarty);
 
 		/* Check required fields */
 		foreach ($fields AS $field => $values)
@@ -289,7 +289,6 @@ class AdminPreferences extends AdminTab
 			else
 				$tab[$key] =  Tools::getValue($key, Configuration::get($key));
 		}
-		$tab['_PS_DIRECTORY_'] = _PS_DIRECTORY_;
 		$tab['_MEDIA_SERVER_1_'] = _MEDIA_SERVER_1_;
 		$tab['_MEDIA_SERVER_2_'] = _MEDIA_SERVER_2_;
 		$tab['_MEDIA_SERVER_3_'] = _MEDIA_SERVER_3_;
diff --git a/admin-dev/tabs/AdminShopUrl.php b/admin-dev/tabs/AdminShopUrl.php
index f69ef3744..4349af5aa 100755
--- a/admin-dev/tabs/AdminShopUrl.php
+++ b/admin-dev/tabs/AdminShopUrl.php
@@ -34,19 +34,19 @@ class AdminShopUrl extends AdminTab
 	 	$this->className = 'ShopUrl';
 	 	$this->edit = true;
 		$this->delete = true;
-	 	$this->_select = 's.name shop_name';
+	 	$this->_select = 's.name AS shop_name, CONCAT(a.physical_uri, a.virtual_uri) AS uri';
 	 	$this->_join = 'LEFT JOIN `'._DB_PREFIX_.'shop` s ON (s.id_shop = a.id_shop)';
 	 	$this->_listSkipDelete = array(1);
 
 		$this->fieldsDisplay = array(
-		'id_shop_url' => array('title' => $this->l('ID'), 'align' => 'center', 'width' => 25),
-		'domain' => array('title' => $this->l('Domain'), 'width' => 130, 'filter_key' => 'domain'),
-		'domain_ssl' => array('title' => $this->l('Domain SSL'), 'width' => 130, 'filter_key' => 'domain'),
-		'uri' => array('title' => $this->l('Uri'), 'width' => 130, 'filter_key' => 'uri'),
-		'shop_name' => array('title' => $this->l('Shop name'), 'width' => 70),
-		'main' => array('title' => $this->l('Main URL'), 'align' => 'center', 'activeVisu' => 'main', 'type' => 'bool', 'orderby' => false, 'filter_key' => 'main'),
-		'active' => array('title' => $this->l('Enabled'), 'align' => 'center', 'active' => 'status', 'type' => 'bool', 'orderby' => false, 'filter_key' => 'active'));
-		$this->_fieldsOptions = array('_PS_DIRECTORY_' => array('title' => $this->l('PS directory'), 'desc' => $this->l('Name of the PrestaShop directory on your Web server, bracketed by forward slashes (e.g., /shop/)'), 'validation' => 'isUrl', 'type' => 'text', 'size' => 20, 'default' => _PS_DIRECTORY_, 'visibility' => Shop::CONTEXT_ALL));
+			'id_shop_url' => array('title' => $this->l('ID'), 'align' => 'center', 'width' => 25),
+			'domain' => array('title' => $this->l('Domain'), 'width' => 130, 'filter_key' => 'domain'),
+			'domain_ssl' => array('title' => $this->l('Domain SSL'), 'width' => 130, 'filter_key' => 'domain'),
+			'uri' => array('title' => $this->l('Uri'), 'width' => 130, 'filter_key' => 'uri'),
+			'shop_name' => array('title' => $this->l('Shop name'), 'width' => 70),
+			'main' => array('title' => $this->l('Main URL'), 'align' => 'center', 'activeVisu' => 'main', 'type' => 'bool', 'orderby' => false, 'filter_key' => 'main'),
+			'active' => array('title' => $this->l('Enabled'), 'align' => 'center', 'active' => 'status', 'type' => 'bool', 'orderby' => false, 'filter_key' => 'active'),
+		);
 		parent::__construct();
 	}
 	
@@ -66,15 +66,6 @@ class AdminShopUrl extends AdminTab
 				
 			Tools::generateHtaccess(dirname(__FILE__).'/../../.htaccess', Configuration::get('PS_REWRITING_SETTINGS'), Configuration::get('PS_HTACCESS_CACHE_CONTROL'), Configuration::get('PS_HTACCESS_SPECIFIC'));
 		}
-
-		if (Tools::isSubmit('submitOptions'.$this->table))
-		{
-			$baseUrls = array();
-			if ($_PS_DIRECTORY_ = Tools::getValue('_PS_DIRECTORY_'))
-				$baseUrls['_PS_DIRECTORY_'] = $_PS_DIRECTORY_;
-			rewriteSettingsFile($baseUrls, NULL, NULL);
-			unset($this->_fieldsGeneral['_PS_DIRECTORY_']);
-		}
 		return parent::postProcess();
 	}
 	
@@ -90,6 +81,30 @@ class AdminShopUrl extends AdminTab
 		
 		if (!($obj = $this->loadObject(true)))
 			return;
+			
+		echo <<<EOF
+		<script type="text/javascript">
+		//<![CDATA[
+		$().ready(function()
+		{
+			$('#domain, #physical_uri, #virtual_uri').keyup(function()
+			{
+				var domain = $('#domain').val();
+				var physical = $('#physical_uri').val();
+				var virtual = $('#virtual_uri').val();
+				var url = 'http://';
+				url += ((domain) ? domain : '???');
+				if (physical)
+					url += '/'+physical;
+				if (virtual)
+					url += '/'+virtual;
+				url = url.replace(/\/+/g, "/");
+				$('#final_url').val(url);
+			});
+		});
+		//]]>
+		</script>
+EOF;
 
 		echo '
 		<form action="'.self::$currentIndex.'&submitAdd'.$this->table.'=1&token='.$this->token.'" method="post">
@@ -103,11 +118,20 @@ class AdminShopUrl extends AdminTab
 				<div class="margin-form">
 					<input type="text" name="domain_ssl" id="domain_ssl" value="'.$this->getFieldValue($obj, 'domain_ssl').'" />
 				</div>
-				<label for="uri">'.$this->l('URI').'</label>
+				<label for="physical_uri">'.$this->l('Physical URI').'</label>
 				<div class="margin-form">
-					<input type="text" name="uri" id="uri" value="'.$this->getFieldValue($obj, 'uri').'" />
+					<input type="text" name="physical_uri" id="physical_uri" value="'.$this->getFieldValue($obj, 'physical_uri').'" />
 					<p>'.$this->l('Folder of your store ex: ipods for http://yourshopname.com/ipods/, leave empty if no folder.').'<br /><b>'.$this->l('URL Rewrite must be activated to use this feature.').'</b></p>
 				</div>
+				<label for="virtual_uri">'.$this->l('Virtual URI').'</label>
+				<div class="margin-form">
+					<input type="text" name="virtual_uri" id="virtual_uri" value="'.$this->getFieldValue($obj, 'virtual_uri').'" />
+					<p>'.$this->l('Folder of your store ex: ipods for http://yourshopname.com/ipods/, leave empty if no folder.').'<br /><b>'.$this->l('URL Rewrite must be activated to use this feature.').'</b></p>
+				</div>
+				<label>'.$this->l('Your final URL will be').'</label>
+				<div class="margin-form">
+					<input type="text" readonly="readonly" id="final_url" style="width: 400px" value="'.$obj->getURL().'" /> 
+				</div>
 				<label for="id_shop">'.$this->l('Shop').'</label>
 				<div class="margin-form">
 					<select name="id_shop" id="id_shop">';
diff --git a/classes/Cart.php b/classes/Cart.php
index d074b3a7a..83581769c 100644
--- a/classes/Cart.php
+++ b/classes/Cart.php
@@ -1167,7 +1167,7 @@ class CartCore extends ObjectModel
 			$id_carrier = Configuration::get('PS_CARRIER_DEFAULT');
 
 		if (!isset(self::$_carriers[$id_carrier]))
-			self::$_carriers[$id_carrier] = new Carrier((int)($id_carrier), Configuration::get('PS_LANG_DEFAULT'));
+			self::$_carriers[$id_carrier] = new Carrier($id_carrier, Configuration::get('PS_LANG_DEFAULT'));
 		$carrier = self::$_carriers[$id_carrier];
 		if (!Validate::isLoadedObject($carrier))
 			die(Tools::displayError('Fatal error: "no default carrier"'));
diff --git a/classes/Cookie.php b/classes/Cookie.php
index 7766d8125..1228f3dfd 100644
--- a/classes/Cookie.php
+++ b/classes/Cookie.php
@@ -64,7 +64,7 @@ class	CookieCore
 		$this->_content = array();
 		$this->_expire = isset($expire) ? (int)($expire) : (time() + 1728000);
 		$this->_name = md5($name);
-		$this->_path = trim(__PS_BASE_URI__.$path, '/\\').'/';
+		$this->_path = trim(Context::getContext()->shop->getPhysicalURI().$path, '/\\').'/';
 		if ($this->_path{0} != '/') $this->_path = '/'.$this->_path;
 		$this->_path = rawurlencode($this->_path);
 		$this->_path = str_replace('%2F', '/', $this->_path);
diff --git a/classes/Dispatcher.php b/classes/Dispatcher.php
index b70de4da6..3511a65bf 100644
--- a/classes/Dispatcher.php
+++ b/classes/Dispatcher.php
@@ -36,6 +36,8 @@ class DispatcherCore
 	public static $instance = null;
 
 	/**
+	 * List of default routes
+	 * 
 	 * @var array
 	 */
 	protected $defaultRoutes = array(
@@ -70,16 +72,22 @@ class DispatcherCore
 	);
 
 	/**
+	 * If true, use routes to build URL (mod rewrite must be activated)
+	 * 
 	 * @var $useRoutes bool
 	 */
 	protected $useRoutes = false;
 
 	/**
+	 * List of loaded routes
+	 * 
 	 * @var $routes array
 	 */
 	protected $routes = array();
 
 	/**
+	 * List of allowed keywords in routes
+	 * 
 	 * @var array
 	 */
 	protected $keywords = array(
@@ -88,11 +96,25 @@ class DispatcherCore
 	);
 
 	/**
+	 * Current controller name
+	 * 
 	 * @var string
 	 */
 	protected $controller;
-
-	public static $controllers = array();
+	
+	/**
+	 * Current request uri
+	 * 
+	 * @var string
+	 */
+	protected $requestURI;
+	
+	/**
+	 * Store empty route (a route with an empty rule)
+	 * 
+	 * @var array
+	 */
+	protected $emptyRoute;
 
 	/**
 	 * Get current instance of dispatcher (singleton)
@@ -113,18 +135,34 @@ class DispatcherCore
 	{
 		$this->useRoutes = (bool)Configuration::get('PS_REWRITING_SETTINGS');
 		$this->loadRoutes();
+		
+		// Get request uri (HTTP_X_REWRITE_URL is used by IIS)
+		if (isset($_SERVER['REQUEST_URI']))
+			$this->requestURI = $_SERVER['REQUEST_URI'];
+		else if (isset($_SERVER['HTTP_X_REWRITE_URL']))
+			$this->requestURI = $_SERVER['HTTP_X_REWRITE_URL'];
 	}
 
 	/**
-	 * "main" method of dispatcher, call the controller
+	 * Find the controller and instantiate it
 	 */
 	public function dispatch()
 	{
-		$this->getController();
+		$this->requestURI = preg_replace('#^'.preg_quote(Context::getContext()->shop->getBaseURI(), '#').'#i', '/', $this->requestURI);
 
+		// If there are several languages, get language from uri
+		if ($this->useRoutes && Language::isMultiLanguageActivated())
+			if (preg_match('#^/([a-z]{2})/#', $this->requestURI, $m))
+			{
+				$_GET['isolang'] = $m[1];
+				$this->requestURI = substr($this->requestURI, 3);
+			}
+
+		// Get and instantiate controller
+		$this->getController();
 		$controllers = Dispatcher::getControllers();
 		if (!isset($controllers[$this->controller]))
-			$this->controller = 'index';
+			$this->controller = 'pagenotfound';
 		ControllerFactory::getController($controllers[$this->controller])->run();
 	}
 	
@@ -146,7 +184,16 @@ class DispatcherCore
 					WHERE id_lang = '.(int)$context->language->id;
 			if ($results = Db::getInstance()->ExecuteS($sql))
 				foreach ($results as $row)
-					$this->addRoute($row['page'], $row['url_rewrite'], $row['page']);
+				{
+					if ($row['url_rewrite'])
+						$this->addRoute($row['page'], $row['url_rewrite'], $row['page']);
+					else
+						$this->emptyRoute = array(
+							'routeID' =>	$row['page'],
+							'rule' =>		$row['url_rewrite'],
+							'controller' =>	$row['page'],
+						);
+				}
 		}
 	}
 	
@@ -178,17 +225,6 @@ class DispatcherCore
 			'required' =>	$required,
 		);
 	}
-	
-	/**
-	 * Check if a route is defined
-	 * 
-	 * @param string $routeID
-	 * @return bool
-	 */
-	public function routeExists($routeID)
-	{
-		return isset($this->routes[$routeID]);
-	}
 
 	/**
 	 * Create an url from
@@ -259,17 +295,16 @@ class DispatcherCore
 		// Use routes ? (for url rewriting)
 		if ($this->useRoutes && !$controller)
 		{
-			// Get request uri (HTTP_X_REWRITE_URL is used by IIS)
-			if (isset($_SERVER['REQUEST_URI']))
-				$request = $_SERVER['REQUEST_URI'];
-			else if (isset($_SERVER['HTTP_X_REWRITE_URL']))
-				$request = $_SERVER['HTTP_X_REWRITE_URL'];
-			else
-				return 'index';
-
+			if (!$this->requestURI)
+				return 'pagenotfound';
 			$controller = 'index';
+			
+			// Add empty route as last route to prevent this greedy regexp to match request uri before right time
+			if ($this->emptyRoute)
+				$this->addRoute($this->emptyRoute['routeID'], $this->emptyRoute['rule'], $this->emptyRoute['controller']);
+
 			foreach ($this->routes as $route)
-				if (preg_match($route['regexp'], $request, $m))
+				if (preg_match($route['regexp'], $this->requestURI, $m))
 				{
 					// Route found ! Now fill $_GET with parameters of uri
 					$controller = $route['controller'];
@@ -278,7 +313,7 @@ class DispatcherCore
 							$_GET[$k] = $v;
 					break;
 				}
-
+			
 			$this->controller = $controller;
 		}
 		// Default mode, take controller from url
diff --git a/classes/FrontController.php b/classes/FrontController.php
index 8b547eb2d..a86638147 100755
--- a/classes/FrontController.php
+++ b/classes/FrontController.php
@@ -136,7 +136,7 @@ class FrontControllerCore
 		$protocol_content = ((isset($useSSL) AND $useSSL AND Configuration::get('PS_SSL_ENABLED')) OR (!empty($_SERVER['HTTPS']) AND strtolower($_SERVER['HTTPS']) != 'off')) ? 'https://' : 'http://';
 		$link = new Link($protocol_link, $protocol_content);
 		$this->context->link = $link;
-		
+
 		if ($this->auth AND !$cookie->isLogged($this->guestAllowed))
 			Tools::redirect('index.php?controller=authentication'.($this->authRedirection ? '&back='.$this->authRedirection : ''));
 
@@ -398,7 +398,7 @@ class FrontControllerCore
 			{
 				header('HTTP/1.0 301 Moved');
 				$params = '';
-				$excludedKey = array('isolang', 'id_lang');
+				$excludedKey = array('isolang', 'id_lang', 'controller');
 				foreach ($_GET as $key => $value)
 					if (!in_array($key, $excludedKey))
 						$params .= ($params == '' ? '?' : '&').$key.'='.$value;
diff --git a/classes/Language.php b/classes/Language.php
index 007ab68dd..5ce90ddce 100644
--- a/classes/Language.php
+++ b/classes/Language.php
@@ -662,4 +662,15 @@ class LanguageCore extends ObjectModel
 			self::$countActiveLanguages = Db::getInstance()->getValue('SELECT COUNT(*) FROM `'._DB_PREFIX_.'lang` WHERE `active` = 1');
 		return self::$countActiveLanguages;
 	}
+
+	/**
+	 * Check if more on than one language is activated
+	 * 
+	 * @since 1.5.0
+	 * @return bool
+	 */
+	public static function isMultiLanguageActivated()
+	{
+		return (Language::countActiveLanguages() > 1);
+	}
 }
diff --git a/classes/Link.php b/classes/Link.php
index e5adc7ab7..4ccc1f3ab 100644
--- a/classes/Link.php
+++ b/classes/Link.php
@@ -73,11 +73,12 @@ class LinkCore
 	public function getProductLink($id_product, $alias = null, $category = null, $ean13 = null, $id_lang = null, $id_shop = null)
 	{
 		$url = _PS_BASE_URL_.__PS_BASE_URI__;
-		
+
 		// @todo use specific method ?
 		if ($id_shop && ($shop = Shop::getShop($id_shop)))
-			$url = 'http://'.$shop['domain'].'/'.$shop['uri'].$this->getLangLink($id_lang);
-			
+			$url = 'http://'.$shop['domain'].'/'.$shop['uri'];
+		$url .= $this->getLangLink($id_lang);
+
 		if (is_object($id_product))
 		{
 			$product = clone($id_product);
@@ -86,7 +87,7 @@ class LinkCore
 			$alias = $product->link_rewrite;
 			$ean13 = $product->ean13;
 		}
-		
+
 		if ($category AND $category != 'home')
 			return $url.Dispatcher::getInstance()->createUrl('product_rule2', array(
 				'id_product' =>	$id_product,
@@ -269,7 +270,7 @@ class LinkCore
 	 * @param string $controller
 	 * @param bool $ssl
 	 * @param int $id_lang
-	 * @param string $request
+	 * @param string|array $request
 	 * @param Context $context
 	 */
 	public function getPageLink($controller, $ssl = false, $id_lang = null, $request = null)
@@ -278,6 +279,11 @@ class LinkCore
 
 		if (!$id_lang)
 			$id_lang = (int)Context::getContext()->language->id;
+		if (is_array($request))
+		{
+			unset($request['controller']);
+			$request = http_build_query($request);
+		}
 
 		$uri_path = Dispatcher::getInstance()->createUrl($controller);
 		$url = ($ssl AND Configuration::get('PS_SSL_ENABLED')) ? Tools::getShopDomainSsl(true) : Tools::getShopDomain(true);
@@ -313,24 +319,13 @@ class LinkCore
 			$request = str_replace($rewrite, $url_rewrite, $request);
 		}
 
-		$queryTab = array();
 		parse_str($_SERVER['QUERY_STRING'], $queryTab);
-		unset($queryTab['isolang']);
-		$query = http_build_query($queryTab);
-
-		if (!empty($query) OR !$this->allow)
-			$query = '?'.$query;
-
-		$switchLangLink = $this->getPageLink(substr($_SERVER['PHP_SELF'], strlen(__PS_BASE_URI__)), false, $id_lang).$query;
+		unset($queryTab['isolang'], $queryTab['controller']);
+		
 		if (!$this->allow)
-			if ($id_lang != $context->language->id)
-			{
-				if (strpos($switchLangLink,'id_lang'))
-					$switchLangLink = preg_replace('`id_lang=[0-9]*`','id_lang='.$id_lang,$switchLangLink);
-				else
-					$switchLangLink = $switchLangLink.'&amp;id_lang='.$id_lang;
-			}
-		return $switchLangLink;
+			$queryTab['id_lang'] = $id_lang;
+
+		return $this->getPageLink(Dispatcher::getInstance()->getController(), false, $id_lang, $queryTab);
 	}
 
 	public function goPage($url, $p)
@@ -382,7 +377,7 @@ class LinkCore
 	{
 		if (!$context)
 			$context = Context::getContext();
-		if (!$this->allow OR Language::countActiveLanguages() <= 1)
+		if (!$this->allow OR !Language::isMultiLanguageActivated())
 			return '';
 
 		if (!$id_lang)
diff --git a/classes/Product.php b/classes/Product.php
index 42d43eb41..4000bff09 100644
--- a/classes/Product.php
+++ b/classes/Product.php
@@ -1509,7 +1509,7 @@ class ProductCore extends ObjectModel
 					DATEDIFF(p.`date_add`, DATE_SUB(NOW(), INTERVAL '.(Validate::isUnsignedInt(Configuration::get('PS_NB_DAYS_NEW_PRODUCT')) ? Configuration::get('PS_NB_DAYS_NEW_PRODUCT') : 20).' DAY)) > 0 AS new
 				FROM `'._DB_PREFIX_.'product` p
 				'.$context->shop->sqlAsso('product', 'p').'
-				'.Product::sqlStock('p', 0, false, $context).'
+				'.Product::sqlStock('p', 0, false, $context->shop).'
 				LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (p.`id_product` = pl.`id_product` AND pl.`id_lang` = '.(int)$id_lang.$context->shop->sqlLang('pl').')
 				LEFT JOIN `'._DB_PREFIX_.'image` i ON (i.`id_product` = p.`id_product` AND i.`cover` = 1)
 				LEFT JOIN `'._DB_PREFIX_.'image_lang` il ON (i.`id_image` = il.`id_image` AND il.`id_lang` = '.(int)$id_lang.')
diff --git a/classes/Shop.php b/classes/Shop.php
index 23e54174c..a339251ce 100644
--- a/classes/Shop.php
+++ b/classes/Shop.php
@@ -37,8 +37,9 @@ class ShopCore extends ObjectModel
 	public	$id_category;
 	public	$deleted;
 
-	protected $base_uri;
 	protected $theme_name;
+	protected $physical_uri;
+	protected $virtual_uri;
 
 	/**
 	 * @var GroupShop
@@ -179,37 +180,26 @@ class ShopCore extends ObjectModel
 				$excluded_uris[] = $directory;
 
 		// Parse request_uri
-		preg_match('/^'.Tools::pRegexp(_PS_DIRECTORY_, '/').'([a-z0-9]+)\/.*$/Ui', $_SERVER['REQUEST_URI'], $res);
-		$uri = (isset($res[1]) AND !in_array($res[1], $excluded_uris)) ? $res[1] : '';
-
 		if (!$id_shop = Tools::getValue('id_shop'))
 		{
 			// Find current shop from URL
-			$db = Db::getInstance();
-			$sql = 'SELECT s.id_shop, su.uri
+			$sql = 'SELECT s.id_shop, CONCAT(su.physical_uri, su.virtual_uri) AS uri
 					FROM '._DB_PREFIX_.'shop_url su
 					LEFT JOIN '._DB_PREFIX_.'shop s ON (s.id_shop = su.id_shop)
 					WHERE su.domain=\''.pSQL(Tools::getHttpHost()).'\'
 						AND s.active = 1
-						AND s.deleted = 0';
-			$default = false;
+						AND s.deleted = 0
+					ORDER BY LENGTH(uri) DESC';
 			if ($results = Db::getInstance()->executeS($sql))
 				foreach ($results as $row)
-				{
-					if (!$default)
-						$default = $row;
-					else if (!$row['uri'])
-						$default = $row;
-
-					if ($uri == $row['uri'])
+					if (preg_match('#^'.preg_quote($row['uri'], '#').'#', $_SERVER['REQUEST_URI']))
 					{
 						$id_shop = $row['id_shop'];
 						break;
 					}
-				}
 
 			if (!$id_shop)
-				$id_shop = ($default) ? $default['id_shop'] : (int)Db::getInstance()->getValue('SELECT value FROM '._DB_PREFIX_.'configuration WHERE name = \'PS_SHOP_DEFAULT\'');
+				die('Shop not found ... redirect me please !');
 		}
 
 		// Get instance of found shop
@@ -226,7 +216,7 @@ class ShopCore extends ObjectModel
 	 */
 	protected function loadShopInfos()
 	{
-		$sql = 'SELECT su.uri, t.name
+		$sql = 'SELECT su.physical_uri, su.virtual_uri, t.name
 				FROM '._DB_PREFIX_.'shop s
 				LEFT JOIN '._DB_PREFIX_.'shop_url su ON (s.id_shop = su.id_shop)
 				LEFT JOIN '._DB_PREFIX_.'theme t ON (t.id_theme = s.id_theme)
@@ -238,7 +228,8 @@ class ShopCore extends ObjectModel
 			return false;
 
 		$this->theme_name = $row['name'];
-		$this->base_uri = ($row['uri']) ? $row['uri'].'/' : '';
+		$this->physical_uri = $row['physical_uri'];
+		$this->virtual_uri = $row['virtual_uri'];
 		return true;
 	}
 	
@@ -258,14 +249,18 @@ class ShopCore extends ObjectModel
 	 * 
 	 * Get shop URI
 	 * 
-	 * @param bool $with_base
 	 * @return string
 	 */
-	public function getBaseURI($with_base = true)
+	public function getBaseURI()
 	{
 		if (!$this->theme_name)
 			$this->loadShopInfos();
-		return ($with_base ? _PS_DIRECTORY_ : '').$this->base_uri;
+		return $this->physical_uri.$this->virtual_uri.'/';
+	}
+	
+	public function getPhysicalURI()
+	{
+		return $this->physical_uri;
 	}
 	
 	/**
@@ -356,7 +351,7 @@ class ShopCore extends ObjectModel
 		if (self::$shops && !$refresh)
 			return;
 	
-		$sql = 'SELECT gs.*, s.*, gs.name AS group_name, s.name AS shop_name, s.active, su.domain, su.domain_ssl, su.uri
+		$sql = 'SELECT gs.*, s.*, gs.name AS group_name, s.name AS shop_name, s.active, su.domain, su.domain_ssl, su.physical_uri, su.virtual_uri
 				FROM '._DB_PREFIX_.'group_shop gs
 				LEFT JOIN '._DB_PREFIX_.'shop s
 					ON s.id_group_shop = gs.id_group_shop
@@ -387,7 +382,7 @@ class ShopCore extends ObjectModel
 					'id_category' =>	$row['id_category'],
 					'domain' =>			$row['domain'],
 					'domain_ssl' =>		$row['domain_ssl'],
-					'uri' =>			$row['uri'],
+					'uri' =>			$row['physical_uri'].$row['virtual_uri'],
 					'active' =>			$row['active'],
 				);
 			}
diff --git a/classes/ShopUrl.php b/classes/ShopUrl.php
index 10b66af2f..dd7633f46 100755
--- a/classes/ShopUrl.php
+++ b/classes/ShopUrl.php
@@ -30,7 +30,8 @@ class ShopUrlCore extends ObjectModel
 	public $id_shop;
 	public $domain;
 	public $domain_ssl;
-	public $uri;
+	public $physical_uri;
+	public $virtual_uri;
 	public $main;
 	public $active;
 	
@@ -39,7 +40,7 @@ class ShopUrlCore extends ObjectModel
 	
 
 	protected $fieldsRequired = array('domain', 'id_shop');
-	protected $fieldsSize = array('domain' => 255, 'uri' => 64);
+	protected $fieldsSize = array('domain' => 255, 'physical_uri' => 64, 'virtual_uri' => 64);
 	protected $fieldsValidate = array('active' => 'isBool');
 
 	protected $table = 'shop_url';
@@ -48,15 +49,35 @@ class ShopUrlCore extends ObjectModel
 	public function getFields()
 	{
 		parent::validateFields();
+		
+		$this->physical_uri = trim($this->physical_uri, '/');
+		$this->physical_uri .= '/'.$this->physical_uri;
+		if ($this->physical_uri)
+			$this->physical_uri = preg_replace('#/+#', '/', $this->physical_uri);
+			
+		$this->virtual_uri = trim($this->virtual_uri, '/');
+		if ($this->virtual_uri)
+			$this->virtual_uri = '/'.preg_replace('#/+#', '/', trim($this->virtual_uri, '/'));
+
 		$fields['domain'] = pSQL($this->domain);
 		$fields['domain_ssl'] = pSQL($this->domain_ssl);
-		$fields['uri'] = pSQL($this->uri);
+		$fields['physical_uri'] = pSQL($this->physical_uri);
+		$fields['virtual_uri'] = pSQL($this->virtual_uri);
 		$fields['id_shop'] = (int)$this->id_shop;
 		$fields['main'] = (int)$this->main;
 		$fields['active'] = (int)$this->active;
 		return $fields;
 	}
 	
+	public function getURL($ssl = false)
+	{
+		if (!$this->id)
+			return ;
+
+		$url = ($ssl) ? 'https://'.$this->domain_ssl : 'http://'.$this->domain;
+		return $url.$this->physical_uri.$this->virtual_uri;
+	}
+	
 	public static function getShopUrls($id_shop = false)
 	{
 		$sql = 'SELECT *
diff --git a/classes/Tools.php b/classes/Tools.php
index d05fa69ad..464a53d7b 100644
--- a/classes/Tools.php
+++ b/classes/Tools.php
@@ -1538,144 +1538,103 @@ class ToolsCore
 
 	public static function generateHtaccess($path, $rewrite_settings, $cache_control, $specific = '', $disableMuliviews = false)
 	{
+		// Check current content of .htaccess and save all code outside of prestashop comments
+		$specificBefore = $specificAfter = '';
+		if (file_exists($path))
+		{
+			$content = file_get_contents($path);
+			if (preg_match('#^(.*)\# ~~start~~.*\# ~~end~~[^\n]*(.*)$#s', $content, $m))
+			{
+				$specificBefore = $m[1];
+				$specificAfter = $m[2];
+			}
+			else
+				$specificBefore = $content;
+		}
+
+		// Write .htaccess data
 		if (!$writeFd = @fopen($path, 'w'))
 			return false;
-
-		$tab = array('ErrorDocument' => array(), 'RewriteEngine' => array(), 'RewriteRule' => array());
-		$multilang = (Language::countActiveLanguages() > 1);
-		$shop_urls = ShopUrl::getShopUrls();
-		
-		foreach ($shop_urls AS &$url)
+		fwrite($writeFd, trim($specificBefore)."\n\n");
+			
+		$domains = array();
+		foreach (ShopUrl::getShopUrls() as $shopUrl)
 		{
-			$url['uri'] .= (!empty($url['uri']) ? '/' : '');
-			$domains[$url['domain']][] = $url;
+			$domains[$shopUrl['domain']] = array(
+				'physical' =>	$shopUrl['physical_uri'],
+				'virtual' =>	$shopUrl['virtual_uri'],
+			);
 		}
 
-		foreach ($domains AS $domain => $row)
-		{
-			foreach ($row AS $uri)
-			{
-				// ErrorDocument
-				$tab['ErrorDocument'][$domain]['comment'] = '# Catch 404 errors';
-				$tab['ErrorDocument'][$domain]['content'] = '404 '.$uri['uri'].'404.php';
-
-				// Compatibility with the old image filesystem
-				if (Configuration::get('PS_LEGACY_IMAGES'))
-				{
-					$tab['RewriteRule'][$domain]['content']['^([a-z0-9]+)\-([a-z0-9]+)(\-[_a-zA-Z0-9-]*)/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1-$2$3.jpg [L]';
-					$tab['RewriteRule'][$domain]['content']['^([0-9]+)\-([0-9]+)/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1-$2.jpg [L]';
-				}
-
-				// Rewriting for product image id < 100 millions
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([0-9])(\-[_a-zA-Z0-9-]*)?/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1/$1$2.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([0-9])([0-9])(\-[_a-zA-Z0-9-]*)?/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1/$2/$1$2$3.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([0-9])([0-9])([0-9])(\-[_a-zA-Z0-9-]*)?/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1/$2/$3/$1$2$3$4.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([0-9])([0-9])([0-9])([0-9])(\-[_a-zA-Z0-9-]*)?/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1/$2/$3/$4/$1$2$3$4$5.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([0-9])([0-9])([0-9])([0-9])([0-9])(\-[_a-zA-Z0-9-]*)?/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1/$2/$3/$4/$5/$1$2$3$4$5$6.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])(\-[_a-zA-Z0-9-]*)?/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1/$2/$3/$4/$5/$6/$1$2$3$4$5$6$7.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])(\-[_a-zA-Z0-9-]*)?/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1/$2/$3/$4/$5/$6/$7/$1$2$3$4$5$6$7$8.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])([0-9])(\-[_a-zA-Z0-9-]*)?/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1/$2/$3/$4/$5/$6/$7/$8/$1$2$3$4$5$6$7$8$9.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'c/([0-9]+)(\-[_a-zA-Z0-9-]*)/[_a-zA-Z0-9-]*\.jpg$'] = 'img/c/$1$2.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'c/([a-zA-Z-]+)/[a-zA-Z0-9-]+\.jpg$'] = 'img/c/$1.jpg [L]';
-
-				if ($multilang)
-				{
-					//$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([a-z]{2})/[a-zA-Z0-9-]*/([0-9]+)\-[a-zA-Z0-9-]*\.html'] = 'index.php?controller=product&id_product=$2&isolang=$1&id_shop='.$uri['id_shop'].' [QSA,L]';
-					//$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([a-z]{2})/([0-9]+)\-[a-zA-Z0-9-]*\.html'] = 'index.php?controller=product&id_product=$2&isolang=$1&id_shop='.$uri['id_shop'].' [QSA,L]';
-					//$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([a-z]{2})/([0-9]+)\-[a-zA-Z0-9-]*'] = 'index.php?controller=category&id_category=$2&isolang=$1&id_shop='.$uri['id_shop'].' [QSA,L]';
-					//$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([a-z]{2})/content/([0-9]+)\-[a-zA-Z0-9-]*'] = 'index.php?controller=cms&isolang=$1&id_cms=$2&id_shop='.$uri['id_shop'].' [QSA,L]';
-					//$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([a-z]{2})/content/category/([0-9]+)\-[a-zA-Z0-9-]*'] = 'index.php?controller=cms&isolang=$1&id_cms_category=$2&id_shop='.$uri['id_shop'].' [QSA,L]';
-					//$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([a-z]{2})/([0-9]+)__[a-zA-Z0-9-]*'] = 'index.php?controller=supplier&isolang=$1&id_supplier=$2&id_shop='.$uri['id_shop'].' [QSA,L]';
-					//$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([a-z]{2})/([0-9]+)_[a-zA-Z0-9-]*'] = 'index.php?controller=manufacturer&isolang=$1&id_manufacturer=$2&id_shop='.$uri['id_shop'].' [QSA,L]';
-				}
-
-				// PS BASE URI automaticaly prepend the string, do not use PS defines for the image directories
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([a-z0-9]+)\-([a-z0-9]+)(\-[_a-zA-Z0-9-]*)/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1-$2$3.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([0-9]+)\-([0-9]+)/[_a-zA-Z0-9-]*\.jpg$'] = _PS_PROD_IMG_.'$1-$2.jpg [L]';
-				$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').'([0-9]+)(\-[_a-zA-Z0-9-]*)/[_a-zA-Z0-9-]*\.jpg$'] = 'img/c/$1$2.jpg [L]';
-
-				Language::loadLanguages();
-				$default_meta = Meta::getMetasByIdLang((int)Configuration::get('PS_LANG_DEFAULT'), new Shop($uri['id_shop']));
-
-				if ($multilang)
-					foreach (Language::getLanguages() as $language)
-					{
-						foreach (Meta::getMetasByIdLang((int)$language['id_lang'], new Shop($uri['id_shop'])) as $key => $meta)
-							if (!empty($meta['url_rewrite']) AND Validate::isLinkRewrite($meta['url_rewrite']))
-								$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').''.$language['iso_code'].'/'.$meta['url_rewrite'].'$'] = 'index.php?controller='.$meta['page'].'&isolang='.$language['iso_code'].'&id_shop='.$uri['id_shop'].' [QSA,L]';
-							elseif (array_key_exists($key, $default_meta) && $default_meta[$key]['url_rewrite'] != '')
-								$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').''.$language['iso_code'].'/'.$default_meta[$key]['url_rewrite'].'$'] = 'index.php?controller='.$default_meta[$key]['page'].'&isolang='.$language['iso_code'].'&id_shop='.$uri['id_shop'].' [QSA,L]';
-						$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').''.$language['iso_code'].'$'] = $language['iso_code'].'&id_shop='.$uri['id_shop'].' [QSA,L]';
-						$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').''.$language['iso_code'].'/([^?&]*)$'] = '$2?isolang='.$language['iso_code'].'&id_shop='.$uri['id_shop'].' [QSA,L]';				
-					}
-				else
-					foreach ($default_meta as $key => $meta)
-						if (!empty($meta['url_rewrite']))
-							$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').''.$meta['url_rewrite'].'$'] = 'index.php?controller='.$meta['page'].'&id_shop='.$uri['id_shop'].' [QSA,L]';
-						else if (array_key_exists($key, $default_meta) && $default_meta[$key]['url_rewrite'] != '')
-							$tab['RewriteRule'][$domain]['content']['^'.ltrim($uri['uri'], '/').''.$default_meta[$key]['url_rewrite'].'$'] = 'index.php?controller='.$default_meta[$key]['page'].'&id_shop='.$uri['id_shop'].' [QSA,L]';
-			}
-		}
-		/*
-		if (!Configuration::get('PS_INSTALL_VERSION') OR version_compare(Configuration::get('PS_INSTALL_VERSION'), '1.4.0.7') == -1)
-		{
-			// This is a nasty copy/paste of the previous links, but with "lang-en" instead of "en"
-			// Do not update it when you add something in the one at the top, it's only for the old links
-			$tab['RewriteRule'][$domain]['content']['^lang-([a-z]{2})/([a-zA-Z0-9-]*)/([0-9]+)\-([a-zA-Z0-9-]*)\.html'] = 'product.php?id_product=$4&isolang=$2 [QSA,L]';
-			$tab['RewriteRule'][$domain]['content']['^lang-([a-z]{2})/([0-9]+)\-([a-zA-Z0-9-]*)\.html'] = 'product.php?id_product=$3&isolang=$2 [QSA,L]';
-			$tab['RewriteRule'][$domain]['content']['^lang-([a-z]{2})/([0-9]+)\-([a-zA-Z0-9-]*)'] = 'category.php?id_category=$3&isolang=$2 [QSA,L]';
-			$tab['RewriteRule'][$domain]['content']['^content/([0-9]+)\-([a-zA-Z0-9-]*)'] = 'cms.php?id_cms=$2 [QSA,L]';
-			$tab['RewriteRule'][$domain]['content']['^content/category/([0-9]+)\-([a-zA-Z0-9-]*)'] = 'cms.php?id_cms_category=$2 [QSA,L]';
-		}
-		*/
-		// PS Comments
+		// Write data in .htaccess file
+		fwrite($writeFd, "# ~~start~~ Do not remove this comment, Prestashop will keep automatically the code outside this comment when .htaccess will be generated again\n");
 		fwrite($writeFd, "# .htaccess automaticaly generated by PrestaShop e-commerce open-source solution\n");
-		fwrite($writeFd, "# WARNING: PLEASE DO NOT MODIFY THIS FILE MANUALLY. IF NECESSARY, ADD YOUR SPECIFIC CONFIGURATION WITH THE HTACCESS GENERATOR IN BACK OFFICE\n");
 		fwrite($writeFd, "# http://www.prestashop.com - http://www.prestashop.com/forums\n\n");
-		if (!empty($specific))
-			fwrite($writeFd, $specific);
-		// RewriteEngine
-		fwrite($writeFd, "\n<IfModule mod_rewrite.c>\n");
 
+		// RewriteEngine
+		fwrite($writeFd, "<IfModule mod_rewrite.c>\n");
+		
+		// Disable multiviews ?
 		if ($disableMuliviews)
 			fwrite($writeFd, "\n# Disable Multiviews\nOptions -Multiviews\n\n");
-
-		fwrite($writeFd, $tab['RewriteEngine']['comment']."\nRewriteEngine on\n\n");
-		fwrite($writeFd, $tab['RewriteRule']['comment']."\n");
-		// Webservice
-		fwrite($writeFd, 'RewriteRule ^api/?(.*)$ '.__PS_BASE_URI__."webservice/dispatcher.php?url=$1 [QSA,L]\n");
-
-		fwrite($writeFd, "RewriteCond %{REQUEST_FILENAME} -s [OR]\nRewriteCond %{REQUEST_FILENAME} -l [OR]\nRewriteCond %{REQUEST_FILENAME} -d\nRewriteRule ^.*$ - [NC,L]\nRewriteRule ^.*\$ index.php [NC,L]\n");
-		foreach ($domains AS $domain => $row) 
+		
+		fwrite($writeFd, "RewriteEngine on\n\n");
+		foreach ($domains as $domain => $uri)
 		{
-			foreach ($row AS $uri)
+			// Rewrite virtual multishop uri
+			if ($uri['virtual'])
 			{
-				fwrite($writeFd, 'RewriteCond %{HTTP_HOST} ^'.$domain.'$'."\n");			
-				fwrite($writeFd, $tab['ErrorDocument'][$domain]['comment']."\nErrorDocument ".$tab['ErrorDocument'][$domain]['content']."\n");
-				// Classic URL rewriting
-				if ($rewrite_settings)
-					foreach ($tab['RewriteRule'][$domain]['content'] as $rule => $url)
-					{
-						fwrite($writeFd, 'RewriteCond %{HTTP_HOST} ^'.$domain.'$'."\n");
-						fwrite($writeFd, 'RewriteRule '.$rule.' '.$url."\n");
-					}
-				if (Tools::strlen(ltrim($uri['uri'], '/')) > 0)
-				{
-					fwrite($writeFd, 'RewriteCond %{HTTP_HOST} ^'.$domain.'$'."\n");
-					fwrite($writeFd, 'RewriteRule ^'.ltrim($uri['uri'], '/').'(.*) $1?id_shop='.$uri['id_shop'].' [QSA,L]'."\n");
-				}
+				fwrite($writeFd, 'RewriteCond %{HTTP_HOST} ^'.$domain.'$'."\n");
+				fwrite($writeFd, "RewriteRule ^".ltrim($uri['virtual'], '/')."/(.*) ".$uri['physical']."/$1 [L]\n\n");
 			}
-				
 		}
+		
+		// Webservice
+		fwrite($writeFd, 'RewriteRule ^api/?(.*)$ '.$uri['physical']."webservice/dispatcher.php?url=$1 [QSA,L]\n\n");
+
+		if ($rewrite_settings)
+		{
+			// Compatibility with the old image filesystem
+			fwrite($writeFd, "# Images\n");
+			if (Configuration::get('PS_LEGACY_IMAGES'))
+			{
+				fwrite($writeFd, 'RewriteRule ^([a-z0-9]+)\-([a-z0-9]+)(\-[_a-zA-Z0-9-]*)/[_a-zA-Z0-9-]*\.jpg$ '._PS_PROD_IMG_.'$1-$2$3.jpg [L]'."\n");
+				fwrite($writeFd, 'RewriteRule ^([0-9]+)\-([0-9]+)/[_a-zA-Z0-9-]*\.jpg$ '._PS_PROD_IMG_.'$1-$2.jpg [L]'."\n");
+			}
+
+			// Rewrite product images < 100 millions
+			for ($i = 1; $i <= 8; $i++)
+			{
+				$imgPath = $imgName = '';
+				for ($j = 1; $j <= $i; $j++)
+				{
+					$imgPath .= '$'.$j.'/';
+					$imgName .= '$'.$j;
+				}
+				$imgName .= '$'.$j;
+				fwrite($writeFd, 'RewriteRule ^'.str_repeat('([0-9])', $i).'(\-[_a-zA-Z0-9-]*)?/[_a-zA-Z0-9-]*\.jpg$ '._PS_PROD_IMG_.$imgPath.$imgName.".jpg [L]\n");
+			}
+			fwrite($writeFd, 'RewriteRule ^c/([0-9]+)(\-[_a-zA-Z0-9-]*)/[_a-zA-Z0-9-]*\.jpg$ img/c/$1$2.jpg [L]'."\n");
+			fwrite($writeFd, 'RewriteRule ^c/([a-zA-Z-]+)/[a-zA-Z0-9-]+\.jpg$ img/c/$1.jpg [L]'."\n");
+		}
+
+		// Redirections to dispatcher
+		if ($rewrite_settings)
+		{
+			fwrite($writeFd, "\n# Dispatcher\n");
+			fwrite($writeFd, "RewriteCond %{REQUEST_FILENAME} -s [OR]\n");
+			fwrite($writeFd, "RewriteCond %{REQUEST_FILENAME} -l [OR]\n");
+			fwrite($writeFd, "RewriteCond %{REQUEST_FILENAME} -d\n");
+			fwrite($writeFd, "RewriteRule ^.*$ - [NC,L]\n");
+			fwrite($writeFd, "RewriteRule ^.*\$ index.php [NC,L]\n");
+		}
+
 		fwrite($writeFd, "</IfModule>\n\n");
-
-		// ErrorDocument
-
+		
 		// Cache control
 		if ($cache_control)
 		{
-			$cacheControl = "
-<IfModule mod_expires.c>
+			$cacheControl = "<IfModule mod_expires.c>
 	ExpiresActive On
 	ExpiresByType image/gif \"access plus 1 month\"
 	ExpiresByType image/jpeg \"access plus 1 month\"
@@ -1694,10 +1653,12 @@ FileETag INode MTime Size
 	AddOutputFilterByType DEFLATE text/javascript
 	AddOutputFilterByType DEFLATE application/javascript
 	AddOutputFilterByType DEFLATE application/x-javascript
-</IfModule>
-				";
+</IfModule>\n\n";
 			fwrite($writeFd, $cacheControl);
 		}
+
+		fwrite($writeFd, "# ~~end~~ Do not remove this comment, Prestashop will keep automatically the code outside this comment when .htaccess will be generated again\n");
+		fwrite($writeFd, "\n\n".trim($specificAfter));
 		fclose($writeFd);
 
 		Module::hookExec('afterCreateHtaccess');
diff --git a/config/config.inc.php b/config/config.inc.php
index 6ff9f4e19..af289d040 100644
--- a/config/config.inc.php
+++ b/config/config.inc.php
@@ -100,18 +100,11 @@ Language::loadLanguages();
 $defaultCountry = new Country(Configuration::get('PS_COUNTRY_DEFAULT'), Configuration::get('PS_LANG_DEFAULT'));
 
 /* Instantiate cookie */
+$cookieLifetime = (time() + (((int)Configuration::get('PS_COOKIE_LIFETIME_BO') > 0 ? (int)Configuration::get('PS_COOKIE_LIFETIME_BO') : 1)* 3600));
 if (defined('PS_ADMIN_DIR'))
-{
-	$currentFileName = array_reverse(explode("/", $_SERVER['SCRIPT_NAME']));
-	$cookieLifetime = (time() + (((int)Configuration::get('PS_COOKIE_LIFETIME_BO') > 0 ? (int)Configuration::get('PS_COOKIE_LIFETIME_BO') : 1)* 3600));
-	$cookie = new Cookie('psAdmin', substr($_SERVER['SCRIPT_NAME'], strlen(__PS_BASE_URI__), -strlen($currentFileName['0'])), $cookieLifetime);
-}
+	$cookie = new Cookie('psAdmin', '', $cookieLifetime);
 else
-{
-	$defaultCountry = new Country((int)Configuration::get('PS_COUNTRY_DEFAULT'), Configuration::get('PS_LANG_DEFAULT'));
-	$cookieLifetime = (time() + (((int)Configuration::get('PS_COOKIE_LIFETIME_FO') > 0 ? (int)Configuration::get('PS_COOKIE_LIFETIME_FO') : 1)* 3600));
 	$cookie = new Cookie('ps', '', $cookieLifetime);
-}
 Context::getContext()->cookie = $cookie;
 
 /* Instantiate language */
diff --git a/install-dev/sql/db.sql b/install-dev/sql/db.sql
index 3c834156b..a1b44d67c 100644
--- a/install-dev/sql/db.sql
+++ b/install-dev/sql/db.sql
@@ -1735,18 +1735,19 @@ CREATE TABLE IF NOT EXISTS `PREFIX_shop` (
   KEY `id_theme` (`id_theme`)
 ) ENGINE=ENGINE_TYPE  DEFAULT CHARSET=utf8;
 
-CREATE TABLE IF NOT EXISTS `PREFIX_shop_url` (
-  `id_shop_url` int(11) unsigned NOT NULL AUTO_INCREMENT,
-  `id_shop` int(11) unsigned NOT NULL,
-  `domain` varchar(255) NOT NULL,
-  `domain_ssl` varchar(255) NOT NULL,
-  `uri` varchar(64) NOT NULL,
-  `main` TINYINT(1) NOT NULL,
-  `active` TINYINT(1) NOT NULL,
-  PRIMARY KEY (`id_shop_url`),
-  KEY `id_shop` (`id_shop`),
-  UNIQUE KEY `shop_url` (`domain`, `uri`)
-) ENGINE=ENGINE_TYPE  DEFAULT CHARSET=utf8;
+	CREATE TABLE IF NOT EXISTS `PREFIX_shop_url` (
+	  `id_shop_url` int(11) unsigned NOT NULL AUTO_INCREMENT,
+	  `id_shop` int(11) unsigned NOT NULL,
+	  `domain` varchar(255) NOT NULL,
+	  `domain_ssl` varchar(255) NOT NULL,
+	  `physical_uri` varchar(64) NOT NULL,
+	  `virtual_uri` varchar(64) NOT NULL,
+	  `main` TINYINT(1) NOT NULL,
+	  `active` TINYINT(1) NOT NULL,
+	  PRIMARY KEY (`id_shop_url`),
+	  KEY `id_shop` (`id_shop`),
+	  UNIQUE KEY `shop_url` (`domain`, `virtual_uri`)
+	) ENGINE=ENGINE_TYPE  DEFAULT CHARSET=utf8;
 
 CREATE TABLE IF NOT EXISTS `PREFIX_theme` (
   `id_theme` int(11) NOT NULL AUTO_INCREMENT,
diff --git a/install-dev/sql/upgrade/1.5.0.0.sql b/install-dev/sql/upgrade/1.5.0.0.sql
index c150315a9..153b93200 100755
--- a/install-dev/sql/upgrade/1.5.0.0.sql
+++ b/install-dev/sql/upgrade/1.5.0.0.sql
@@ -37,12 +37,13 @@ CREATE TABLE IF NOT EXISTS `PREFIX_shop_url` (
   `id_shop` int(11) unsigned NOT NULL,
   `domain` varchar(255) NOT NULL,
   `domain_ssl` varchar(255) NOT NULL,
-  `uri` varchar(64) NOT NULL,
+  `physical_uri` varchar(64) NOT NULL,
+  `virtual_uri` varchar(64) NOT NULL,
   `main` TINYINT(1) NOT NULL,
   `active` TINYINT(1) NOT NULL,
   PRIMARY KEY (`id_shop_url`),
   KEY `id_shop` (`id_shop`),
-	UNIQUE KEY `shop_url` (`domain`, `uri`)
+	UNIQUE KEY `shop_url` (`domain`, `virtual_uri`)
 ) ENGINE=ENGINE_TYPE  DEFAULT CHARSET=utf8;
 
 CREATE TABLE IF NOT EXISTS `PREFIX_theme` (
diff --git a/modules/blocklanguages/blocklanguages.tpl b/modules/blocklanguages/blocklanguages.tpl
index 5ee5a0ab5..72ce067c4 100644
--- a/modules/blocklanguages/blocklanguages.tpl
+++ b/modules/blocklanguages/blocklanguages.tpl
@@ -34,7 +34,7 @@
 					{if isset($lang_rewrite_urls.$indice_lang)}
 						<a href="{$lang_rewrite_urls.$indice_lang}" title="{$language.name}">
 					{else}
-						<a href="{$link->getLanguageLink($language.id_lang, $language.name)}" title="{$language.name}">
+						<a href="{$link->getLanguageLink($language.id_lang)}" title="{$language.name}">
 					{/if}
 
 				{/if}
diff --git a/modules/ganalytics/ganalytics.php b/modules/ganalytics/ganalytics.php
index 9302de3b5..7e20c45f0 100644
--- a/modules/ganalytics/ganalytics.php
+++ b/modules/ganalytics/ganalytics.php
@@ -131,7 +131,7 @@ class GAnalytics extends Module
 	
 		// Otherwise, create Google Analytics stats
 		$ganalytics_id = Configuration::get('GANALYTICS_ID');
-		$multilang = (Language::countActiveLanguages() > 1);
+		$multilang = Language::isMultiLanguageActivated();
 		$defaultMetaOrder = Meta::getMetaByPage('order',$this->context->language->id);
 		$order = ($multilang?((string)Tools::getValue('isolang').'/'):'').$defaultMetaOrder['url_rewrite'];
 		$pageTrack = ((strpos($_SERVER['REQUEST_URI'], __PS_BASE_URI__.'order.php') === 0 || strpos($_SERVER['REQUEST_URI'], __PS_BASE_URI__.($multilang?((string)Tools::getValue('isolang').'/'):'').$defaultMetaOrder['url_rewrite']) === 0) ? '/order/step'.(int)(Tools::getValue('step')).'.html' : '');