function getdist(section, dist, a) {
        if (section in _getdist) {
                return _getdist[section]
        }

        dist = section
        ldist = tolower(dist)

        if (match(ldist, /^non-us\/[^\/]*/)) {
                dist = "non-US" substr(dist, 7, RLENGTH - 6)
        } else if (ldist == "non-us") {
                dist = "non-US/main"
        #} else if (match(dist, /^[^\/]*\//)) {
        #       dist = substr(dist, 1, RLENGTH - 1)
        } else {
                dist = "main"
        }
        return _getdist[section] = dist
}