Index: /issm/trunk-jpl/startup.m
===================================================================
--- /issm/trunk-jpl/startup.m	(revision 11453)
+++ /issm/trunk-jpl/startup.m	(revision 11454)
@@ -11,6 +11,10 @@
 lastwarn(''); 
 
-%Recover ISSM_TIER 
-ISSM_TIER=getenv('ISSM_TIER');
+%Recover ISSM_TIER , or if on a Windows machine, ISSM_TIER_WIN
+if ~ispc,
+	ISSM_TIER=getenv('ISSM_TIER');
+else
+	ISSM_TIER=getenv('ISSM_TIER_WIN');
+end
 if (isempty(ISSM_TIER)),
 	error('issmdir error message: ''ISSM_TIER'' environment variable is empty! You should define ISSM_TIER in your .cshrc or .bashrc!');