-check_jb tar xfz ${SOURCE_DIR}/NETGENPLUGINbinariesV${VERSION}.tar.gz -C ${INSTALL_ROOT}
-check_jb tar xfz ${SRC_DIR}/NETGENPLUGINsourcesV${VERSION}.tar.gz -C ${INSTALL_ROOT}
+# create a module directory
+test -z ${SINGLE_DIR} && makedir ${PRODUCT_DIR} || mkdir -p ${PRODUCT_DIR}
+
+if [ $INST_WITH_GUI == "FALSE" ] ; then
+ check_jb tar xfz ${SOURCE_DIR}/NETGENPLUGINWOGUIbinariesV${SALOME_VERSION}.tar.gz -C ${PRODUCT_DIR}
+else
+ check_jb tar xfz ${SOURCE_DIR}/NETGENPLUGINbinariesV${SALOME_VERSION}.tar.gz -C ${PRODUCT_DIR}
+fi
+check_jb tar xfz ${SRC_DIR}/NETGENPLUGINsourcesV${SALOME_VERSION}.tar.gz -C ${INST_ROOT}