Index: trunk/kernel/include/globals.php
===================================================================
diff -u -N -r7635 -r8104
--- trunk/kernel/include/globals.php	(.../globals.php)	(revision 7635)
+++ trunk/kernel/include/globals.php	(.../globals.php)	(revision 8104)
@@ -1625,6 +1625,9 @@
 	}
 
   	foreach($main as $vl_key => $vl_value) {
+  		// we need to skip wid here, otherwise empty wid will become 0 and the window name for javascript will be changed (to main_0), 
+		// making all links to original (main) window open in new window
+		if ($vl_key == 'wid') continue;
     	if(!$vl_value) $main[$vl_key] = '0'; // unset($main[$vl_key]);
   	}