Code:
alias HideAll {
  var %servers = $scon(0) , %loop = 1
  while (%servers >= %loop) {
    scon %loop /var $+($chr(37),network) $+($chr(36),network)
    if (%network == EFnet) { scon %loop /aHideTAB }
    if (%network == Dalnet) { scon %loop /acloi }
    if (%network == accessIRC) { scon %loop /windowshow }
    inc %loop
  }
}