makeLayer (
"touchscreen", 
"What is a Touchscreen=../index.html", 
"Touchscreen Technologies=../touchscreen/touch.html",
". .  Capacitive Touchscreens=../touchscreen/cap.html",
". .  Resistive Touchscreens=../touchscreen/res.html",
". .  Acoustic (Surface or Guided) =../touchscreen/acoustic.html",
". .  Infrared=../touchscreen/infrared.html",
"",
"Why Touchscreen=../touchscreen/why.html",
  
"Software for Touchscreen=../touchscreen/software.html",
  
"Which Touchscreen to use=../touchscreen/choose.html"
);