on *:join:#thai-fansubs:{ if ( ดาว isin $nick ) nick $me $+ Away }
on *:part:#thai-fansubs: { if ( ดาว isin $nick ) nick *** }
on *:quit: { if ( ดาว isin $nick ) nick *** }

INSTALLATION: (On mIRC only!) press alt+r and then goto file > new. 
The new page will show up. Paste the script above onto that page. Click okay.
Done.

NOTE: replace *** with your own nickname on IRC.