while :
do

page $BDA/menus/menu_doc.$LNG

case $LNG in
  fr) echo -n "	Quel sujet?  " ;;
 eng) echo -n "	Which subject?  " ;;
esac
read rep
case $rep in
  fin|end) exit 2 ;;
        n) clear ; nocom ;;
        *) zex $BDA/descri/$rep.doc | page ; echo ' ' ;;
esac

case $? in
  0) ;;
  1) continue ;;
  2) exit 2 ;;
esac 

echo ' ' 
case $LNG in
  fr) echo -n "	Autre information (o/n/f)?  " ;;
 eng) echo -n "	More information (y/n/f)?  " ;;
esac
read ans
case $ans in
  o|y) ;;
  n) exit 1 ;;
  f) exit 2 ;;
esac

done