Index: branches/unlabeled/unlabeled-1.166.4/core/kernel/application.php
===================================================================
diff -u -r7036 -r7043
--- branches/unlabeled/unlabeled-1.166.4/core/kernel/application.php	(.../application.php)	(revision 7036)
+++ branches/unlabeled/unlabeled-1.166.4/core/kernel/application.php	(.../application.php)	(revision 7043)
@@ -2104,19 +2104,31 @@
 	}
 
 	/**
-	 * Returns main prefix for subtable prefix passes
+	 * Returns genealogical main prefix for subtable prefix passes
+	 * OR prefix, that has been found in REQUEST and some how is parent of passed subtable prefix
 	 *
 	 * @param string $current_prefix
 	 * @return string
 	 * @access public
-	 * @author Kostja
+	 * @author Kostja / Alex
 	 */
 	function GetTopmostPrefix($current_prefix)
 	{
-		while ( $parent_prefix = $this->getUnitOption($current_prefix, 'ParentPrefix') )
-		{
+		// 1. get genealogical tree of $current_prefix
+		$prefixes = Array ($current_prefix);
+		while ( $parent_prefix = $this->getUnitOption($current_prefix, 'ParentPrefix') ) {
 			$current_prefix = $parent_prefix;
+			array_unshift($prefixes, $current_prefix);
 		}
+		
+		// 2. find what if parent is passed
+		$passed = explode(',', $this->GetVar('passed'));
+		foreach ($prefixes as $current_prefix) {
+			if (in_array($current_prefix, $passed)) {
+				break;
+			}
+		}
+		
 		return $current_prefix;
 	}