-export CLASSPATH=$CLASSPATH:/projects/helm/shared/libraries/java/xalan_1_1/xalan.jar
-export CLASSPATH=$CLASSPATH:/projects/helm/shared/libraries/java/xalan_1_1/xerces.jar
+export CLASSPATH=/projects/helm/shared/libraries/java/xalan_1_1/xalan.jar:$CLASSPATH
+export CLASSPATH=/projects/helm/shared/libraries/java/xalan_1_1/xerces.jar:$CLASSPATH