Index: trunk/core/kernel/session/session.php
===================================================================
diff -u -r7635 -r7855
--- trunk/core/kernel/session/session.php	(.../session.php)	(revision 7635)
+++ trunk/core/kernel/session/session.php	(.../session.php)	(revision 7855)
@@ -93,6 +93,10 @@
 
 	function StoreSession(&$session, $additional_fields = Array())
 	{
+		if (defined('IS_INSTALL') && IS_INSTALL && !$this->Application->TableFound($this->TableName)) {
+			return false;
+		}
+		
 		$fields_hash = 	Array (
 								$this->IDField			=>	$session->SID,
 								$this->TimestampField	=>	$session->Expiration
@@ -366,9 +370,9 @@
 		$this->CookieName = $cookie_name;
 	}
 
-	function InitStorage()
+	function InitStorage($special)
 	{
-		$this->Storage =& $this->Application->recallObject('SessionStorage');
+		$this->Storage =& $this->Application->recallObject('SessionStorage.'.$special);
 		$this->Storage->setSessionTimeout($this->SessionTimeout);
 	}
 
@@ -380,7 +384,7 @@
 		if ($this->CookiesEnabled) $_COOKIE['cookies_on'] = 1;
 
 		$this->Checkers = Array();
-		$this->InitStorage();
+		$this->InitStorage($special);
 		$this->Data =& new Params();
 
 		$tmp_sid = $this->GetPassedSIDValue();
@@ -389,10 +393,10 @@
 		if( !(defined('IS_INSTALL') && IS_INSTALL) )
 		{
 			$expired_sids = $this->DeleteExpired();
-			if( ( $expired_sids && in_array($tmp_sid,$expired_sids) ) || ( $tmp_sid && !$check )  )
-			{
+			if ( ( $expired_sids && in_array($tmp_sid,$expired_sids) ) || ( $tmp_sid && !$check )  ) {
 				$this->SetSession();
 				$this->Application->HandleEvent($event, 'u:OnSessionExpire');
+				return ;
 			}
 		}
 
@@ -650,6 +654,15 @@
 				break;
 		}
 		$this->Storage->StoreSession($this);
+		
+		if ($this->Application->IsAdmin() || $this->Special == 'admin') {
+			$this->StoreVar('admin', 1);
+		}
+		
+		if ($this->Special != '') {
+			// front-session called from admin or otherwise, then save it's data
+			$this->SaveData();
+		}
 	}
 
 	/**
@@ -859,7 +872,23 @@
 	{
 		return $this->Storage->DeleteExpired();
 	}
+	
+	/**
+	 * Allows to check if user in this session is logged in or not
+	 *
+	 * @return bool
+	 */
+	function LoggedIn()
+	{
+		$user_id = $this->RecallVar('user_id');
 
+		$ret = $user_id > 0;
+		if ($this->RecallVar('admin') == 1 && ($user_id == -1)) {
+			$ret = true;
+		}
+		return $ret;
+	}
+
 }
 
 ?>
\ No newline at end of file