# set terminal canvas  solid butt size 600,400 fsize 10 lw 1 fontscale 1 name "fillbetween_1" jsdir "."
# set output 'fillbetween.1.js'
set style data lines
set title "Fill area between two curves" 
set xrange [ 10.0000 : * ] noreverse nowriteback
set yrange [ 0.00000 : 175.000 ] noreverse nowriteback
plot 'silver.dat' u 1:2:3 w filledcu,       '' u 1:2 lt -1 notitle, '' u 1:3 lt -1 notitle