[R] Combine colors and shading lines

[Josh Roofchop]

Hi, basically I am trying to create a grouped bar graph with each group a
different color and a bar in each group to have shading lines.  Basically
combine the 2 graphs created below.
Thanks,
Josh

data(HairEyeColor)
a <- as.table( apply(HairEyeColor, c(1,2), sum) )
a1<-a[1:2,]

par(mfcol=c(1,2), bg="white")

barplot(a1, 
	type="n",
	col=c(2,2,4,4,6,6,3,3),
        beside = TRUE, )

barplot(a1, 
col=1,
density=c(0,7,0,7,0,7,0,7),
        beside = TRUE, )

http://www.nabble.com/file/p18033630/graph.JPG graph.JPG 
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