on *:TEXT:!away *:#: { 
if ($address($nick,2) == $address($me,2)) {
 /amsg I am now away. Reason: $2- }
 else { | halt }
}

on *:TEXT:!back:#: { 
if ($address($nick,2) == $address($me,2)) {
/amsg I am now back. }
else { | halt }
}