Script removes all old files from particular directories

#!/bin/bash
#
# This Script removes all old files from particular directories
#
set -x
remFiles(){
  path=`echo $1`   # This is inefficient but We dont expect too many files
  days=$2
  dirs=$3
  for dir in $path;do
    if [ -z "$dirs" ];then
        find "$dir"   -mtime  +$days -type f -exec rm -vf {} \;
    else
        find "$dir"   -mtime  +$days -type d -exec rm -vfr {} \;
    fi
  done
}
remFiles "/net/serverbackup/backup/*" "2"