error bar and barchart with multiple overlaying errorbars

(1) #############################

1. library(Hmisc)  
2.   
3. set.seed(1)  
4. x <- 1:10  
5. y <- x + rnorm(10)  
6. delta <- runif(10)  
7. errbar( as.character(x), y, y + delta, y - delta )  

 http://flyordie.sin.khk.be/

(2) #############################
http://stackoverflow.com/questions/5728785/barchart-with-multiple-overlaying-errorbars