Index: /issm/trunk/startup.m
===================================================================
--- /issm/trunk/startup.m	(revision 6802)
+++ /issm/trunk/startup.m	(revision 6803)
@@ -9,16 +9,12 @@
 %   Copyright Jet Propulsion Laboratory. 
 
-global ISSM_TIER  ISSM_DIR
+global ISSM_TIER
 lastwarn(''); % clear the last warning to focus on the warnings of the ISSM path
 
-%Recover ISSM_TIER, ISSM_DIR and USERNAME
+%Recover ISSM_TIER and USERNAME
 ISSM_TIER=getenv('ISSM_TIER');
-ISSM_DIR =getenv('ISSM_DIR');
 USERNAME =getenv('USER');
 if (isempty(ISSM_TIER)),
 	error('issmdir error message: ''ISSM_TIER'' environment variable is empty! You should define ISSM_TIER in your .cshrc or .bashrc!');
-end
-if (isempty(ISSM_DIR)),
-	error('issmdir error message: ''ISSM_DIR'' environment variable is empty! You should define ISSM_DIR in your .cshrc or .bashrc!');
 end