Index: trunk/core/kernel/session/session.php
===================================================================
diff -u -r4528 -r4626
--- trunk/core/kernel/session/session.php	(.../session.php)	(revision 4528)
+++ trunk/core/kernel/session/session.php	(.../session.php)	(revision 4626)
@@ -190,6 +190,11 @@
 		unset($this->OriginalData[$var]);
 	}
 
+	function GetFromData(&$session, $var)
+	{
+		return getArrayValue($this->OriginalData, $var);
+	}
+	
 	function GetExpiredSIDs()
 	{
 		$query = ' SELECT '.$this->IDField.' FROM '.$this->TableName.' WHERE '.$this->TimestampField.' > '.adodb_mktime();
@@ -683,6 +688,16 @@
 		$this->Data->Remove($name);
 	}
 
+	/**
+	 * Ignores session varible value set before
+	 *
+	 * @param string $name
+	 */
+	function RestoreVar($name)
+	{
+		return $this->StoreVar($name, $this->Storage->GetFromData($this, $name));
+	}
+	
 	function GetField($var_name)
 	{
 		return $this->Storage->GetField($this, $var_name);