--- ECHO_content/ECHO_Nav.py	2004/08/31 17:20:31	1.41
+++ ECHO_content/ECHO_Nav.py	2004/08/31 17:26:05	1.42
@@ -419,8 +419,11 @@ class ECHO_navigation(Folder):
 
     def ECHOFormatListStr(self,list,search="\n",replace="<br>"):
         """formatiert liste im str"""
-        return re.sub(search,replace,list)
-    
+	if list:
+        	return re.sub(search,replace,list)
+    	else:
+		return 
+
     def ECHO_cacheManageForm(self):
 	    """change form"""
 	    pt=PageTemplateFile('Products/ECHO_content/zpt/ECHO_cacheManageForm').__of__(self)