Change mac address on mac osx Snow Leopard (with Applescript)

1.

 sudo ln -s /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport /usr/sbin/airport  

2.

 sudo airport -z  

# Disassociate from any network

3. wait a little

4.

 sudo ifconfig en0 lladdr 00:00:00:00:00:00  

with Applescript (connect to wireless network):

 do shell script "airport -z;sleep 10;ifconfig en1 lladdr 00:1c:d6:2f:4e:34;sleep 3;networksetup -setairportnetwork en1 \"AP_SSID\" PASSWORD_TO_CONNECT_AP" user name "root" password "ROOT_PASSWORD" with administrator privileges