Index: trunk/core/kernel/session/session.php
===================================================================
diff -u -r4853 -r4867
--- trunk/core/kernel/session/session.php	(.../session.php)	(revision 4853)
+++ trunk/core/kernel/session/session.php	(.../session.php)	(revision 4867)
@@ -149,10 +149,11 @@
 	 *
 	 * @param Session $session
 	 * @param string $var_name
+	 * @param mixed $default
 	 */
-	function GetField(&$session, $var_name)
+	function GetField(&$session, $var_name, $default = false)
 	{
-		return $this->DirectVars[$var_name];
+		return isset($this->DirectVars[$var_name]) ? $this->DirectVars[$var_name] : $default;
 		//return $this->Conn->GetOne('SELECT '.$var_name.' FROM '.$this->TableName.' WHERE `'.$this->IDField.'` = '.$this->Conn->qstr($session->GetID()) );
 	}
 
@@ -731,9 +732,9 @@
 		return $this->StoreVar($name, $this->Storage->GetFromData($this, $name));
 	}
 
-	function GetField($var_name)
+	function GetField($var_name, $default = false)
 	{
-		return $this->Storage->GetField($this, $var_name);
+		return $this->Storage->GetField($this, $var_name, $default);
 	}
 
 	function SetField($var_name, $value)