else
      suitable="NO"
   fi
- 
+
   if [ "$suitable" = "NO" ]
   then
      echo
         echo
         echo
 
-
         # ------------------
         echo "Name of the Generation Directory (default is /tmp/myGenerationDir)"
         read generationdir
    echo "buildType=$buildType"               >> $configureFile
    echo "gdcmVersion=$gdcmVersion"           >> $configureFile
 
-         
   # ------------------      
   # endif 'suitable'
   fi 
      vtkdirVariable=""
      while [ "$vtkdirVariable" = "" ]
      do
+        echo
+       echo " --------------------------------"
         echo " Set VTK_DIR environment variable"
+       echo " --------------------------------"
+        echo           
         read vtkdirVariable
      done
      echo "you said [" $vtkdirVariable "]"
      latexCompilerVariable=""
      while [ "$latexCompilerVariable" = "" ]
      do
+        echo
+       echo " ---------------------------------------"
         echo " Set LATEX_COMPILER environment variable"
+       echo " ---------------------------------------"
+        echo           
         read latexCompilerVariable
      done
      echo "you said [" $latexCompilerVariable "]"     
      echo "export VTK_DIR=$vtkdirVariable" >> /etc/bashrc
      echo "export LATEX_COMPILER=$latexCompilerVariable" >> /etc/bashrc
      
-     echo "------------------------------------"
+     echo "---------------------------------------------------------"
      echo OK
      echo "To go on, run again 'sh menu.sh' as root, in a new window"
-     echo "------------------------------------"
+     echo "---------------------------------------------------------"
      exit 0             
   ;;
 
   2)
      echo "========================== 3" 
-     sh scripts/CreaTools-load.sh     
-  
+     sh scripts/CreaTools-load.sh
   ;;
-
-
   
   3)
      echo "========================== 3"
 
    echo $gdcmVersion
    echo --sourcesFrom--
    echo $sourcesFrom
-   echo --scriptDir--
-   echo $scriptDir
-   echo --start_point--
-   echo $start_point
+#   echo --scriptDir--
+#   echo $scriptDir
+#   echo --start_point--
+#   echo $start_point
    echo "------"
 
 
 sourcesDir=$generationdir/thirdparty_sources
 binDir=$generationdir/thirdparty_bin
 
-mkdir $generationdir
-mkdir $sourcesDir
-mkdir $binDir
+if [ ! -e $generationdir ]
+then
+   mkdir $generationdir
+   mkdir $sourcesDir
+   mkdir $binDir
+fi
 
 if [ -f $installPrefix/share/creatools_third_party_library_config.sh ]
 then
 
 # the following stupid test is used at debug time; Please don't remove!
 if [ true = true ]
+#if [ true = false ]
 then
 
   case "$OperatingSystem" in
 
 
 # the following stupid test is used at debug time; Please don't remove!
+#if [ true = false ]
 if [ true = true ]
 then
   rm -rf $sourcesDir/VTK*
 fi
 
 
-
 if [ $buildType = "Debug" ]
 then
    debug="ON"
   libname=VTK
   dirInstall=$binDir/$libname-Bin
   dirInstallVTK=$dirInstall
-  VTK_DIR=$installPrefix/lib/vtk-5.6/
+  export VTK_DIR=$installPrefix/lib/vtk-5.6/
   cd $dirInstall
+ 
   cmake -G"Unix Makefiles" -H$sourcesDir/$libname -B$dirInstall/
   ##cmake -G"CodeBlocks - Unix Makefiles" -H$sourcesDir/$libname -B$dirInstall/
   cmake -D USE_DEBUG_LIB:BOOL=$buildType -D CMAKE_INSTALL_PREFIX:PATH=$installPrefix CMakeCache.txt
 then
   libname=gdcm
   dirInstall=$binDir/$libname-Bin
-  GDCM_DIR=$installPrefix/lib/gdcm/
+  export GDCM_DIR=$installPrefix/lib/gdcm/
   mkdir $dirInstall
   cd $dirInstall
   cmake -G"Unix Makefiles" -H$sourcesDir/$libname -B$dirInstall/
 then
   libname=InsightToolkit-3.20.0
   dirInstall=$binDir/$libname-Bin
-  ITK_DIR=$installPrefix/lib/InsightToolkit/
+  export ITK_DIR=$installPrefix/lib/InsightToolkit/
   mkdir $dirInstall
   cd $dirInstall
   cmake -G"Unix Makefiles" -H$sourcesDir/$libname -B$dirInstall/
 
 # - add line 'sh $installPrefix/share/creatools_third_party_library_config.sh' (with accurate value for ???)
 echo source $installPrefix/share/creatools_third_party_library_config.sh >> /etc/bashrc 
-
-