Parameters shared among other functions

Arguments

fill: The name of the variable you want the fill color of the bars to be based on
est: Type for the numeric values - enter "percent", "currency" or "number", defaults to "percent"
dec: Number of decimal points in labels - defaults to 0
color: Name of color palette to use - generally defaults to "pgnobgy_5"
title: Title to be used for chart, if desired - defaults to "NULL"
subtitle: Sub-title to be used for chart, if desired - defaults to "NULL"
source: Source reference as character string, if desired - defaults to blank