You need to install smbfs and load cifs module (modprobe cifs)
#!/bin/sh
#
# function: Mount smb share on SliTaz
# rev: 0.1
# author: Shannara <Stanislas Leduc>
# Licence: GPL v2</p>
<p># Read Server SMB IP
read -p "Please enter IP of Server SMB: " address</p>
<p># Read Folder Share
read -p "Please enter the name of share folder: " sharefolder</p>
<p># Read Local Mount Folder
read -p "Please enter the path of mount folder (with /): " localfolder</p>
<p># Read Domain Name
read -p "Please enter the DOMAIN NAME: " domain</p>
<p># Read USERNAME
read -p "Please enter the USERNAME: " user</p>
<p># Read PASSWORD
read -p "Please enter the PASSWORD: " passwd</p>
<p># Mount share folder
mount.cifs //$address/$sharefolder $locafolder -o user,sync,domain=$domain,user=$user,password=$passwd