Facebook auto add friend in a group script

Hi guys i want to share this script
this is working in GC and FireFox

http: //tny. cz /cde7bd11

Steps on how to use the script:

*Go to your group you want to add members
*click F12
*click CONSOLE
*copy paste the code
*Hit ENTER
*wait for it numbers will appear
*ENJOY

Doesn't work. it gets the syntaxx eror