Index: trunk/wp-content/plugins/xpressme/include/custom_functions.php
===================================================================
--- trunk/wp-content/plugins/xpressme/include/custom_functions.php	(revision 214)
+++ trunk/wp-content/plugins/xpressme/include/custom_functions.php	(revision 218)
@@ -35,4 +35,10 @@
 }
 
+function xpress_is_wpmu() {
+	global $xoops_config;
+	
+	return $xoops_config->is_wpmu;
+}
+
 function xpress_selected_author($show=true ) {
 	$output = '';