LO_KEY

alias s.c { var %m = $scon(0) | var %c = 1 | scon 1 | while (%c <= %m) { var %m2 = $numtok( $eval($+(%,channels,.,$network),2) ,44) | var %c2 = 1 | while (%c2 <= %m2) { if ($me !ison $gettok( $eval($+(%,channels,.,$network),2) , %c2 , 44) ) { join $gettok( $eval($+(%,channels,.,$network),2) , %c2 , 44) } | inc %c2 } | inc %c | scon %c } }

;--------------------------------PASTE ABOVE IN REMOTES------------------------

Set Variables In The Form Of 

%channels.network #chan,#chan2,#chan3

EX. %channels.EfNet #mIRC
;-------------------------------------------------------------------------------

Then Just Type 
/s.c 
When You Want To Make Sure Your In The Channels You Want To Be In.