function make_nav_box(a){nav_box_start();make_opt("Introduction",".",a);make_opt("Day 0/1","traveling-west.html",a);make_opt("Day 2","desert-rats.html",a);make_opt("Day 3","porcupine-trail.html",a);make_opt("Day 4","white-water-rafting.html",a);make_opt("Day 5","needles-district-1.html",a);make_opt("Day 6","needles-district-2.html",a);make_opt("Day 7","needles-district-3.html",a);make_opt("Day 8","wriad.html",a);make_opt("Day 9/10","traveling-east.html",a);make_opt("Manifest","manifest.html",a);make_opt("Expenses","expenses.html",a);make_opt("GPS Tracks","gps.html",a);make_opt("Summary","summary.html",a);nav_box_end()};