Index: trunk/Mars/datacenter/scripts/setup.lp.fact
===================================================================
--- trunk/Mars/datacenter/scripts/setup.lp.fact	(revision 12608)
+++ trunk/Mars/datacenter/scripts/setup.lp.fact	(revision 12799)
@@ -71,5 +71,9 @@
 
 # get paths for mars, macros and scripts
-mars=`dirname $0 | sed -e 's/\/datacenter\/scripts//'`
+#   in case the variable is not yet set
+if [ "$mars" == "" ]
+then 
+  mars=`dirname $0 | sed -e 's/\/datacenter\/scripts//'`
+fi
 macrospath=$mars/datacenter/macros
 scriptspath=$mars/datacenter/scripts