Forums Scripts & Popups Weird problem with my Scrolling Titlebar

ctcp *:version:*:{
  ctcpreply $nick Version Scrolling Titlebar 06.13.2007 by Russel Bairstow
}
menu channel,nicklist {
  Titlebar scrolling speed : set %scroll $$input(Scrolling Speed,e,number of milliseconds,$iif(%scroll,$v1,250)) |  .timer.sb -m 0 $iif(%scroll,$v1,250) sb.disp $chan
}
on *:start:{
  .titlebar $me
}
alias sb.title {
  return $chan($1).topic
}
alias sb.break {
  return ***
}
alias sb.pre {
  return $1 $chan($1).mode $nickcount($1)
}
alias sb.suf {
  return 
}
alias sb.stop {
  unset %sb.*
  .timer.sb off
}
alias sb.start {
  unset %sb.*
  set %sb.point 0
  .timer.sb -m 0 $iif(%scroll,$v1,250) sb.disp $1
}
alias sb.disp {
  if $1 ischan {
    var %sb.title = $sb.break $strip($sb.title($1))
    inc %sb.point 1
    if (%sb.point > $len(%sb.title)) set %sb.point 1
    var %sb.disp = $right(%sb.title,$calc($len(%sb.title) - %sb.point)) $left(%sb.title,%sb.point)
    titlebar $sb.pre($1) %sb.disp $sb.suf
  }
  else {
    titlebar $pm.time($network,$1)
  }
}
alias -l nickcount {
  var %a = 1, %b = $len($prefix), %nick.count
  while %a <= %b {
    %nick.count = $+(%nick.count,$nick($1,0,$mid($prefix,%a,1)),$mid($prefix,%a,1),$chr(44))
    inc %a
  }
  return $replace(%nick.count $+ $nick($1,0,r) $+ ø,$chr(44),$+($chr(44),$chr(32)))
}
on *:active:*:{
  sb.start $active
}
on *:close:?:{
  unset $+(%,time,.,$network,.,$nick)
}
on *:open:?:*:{
  set $+(%,time,.,$network,.,$nick) $ticks
}
alias -l pm.time {
  return $1 $2 $elapsed($($+(%,time,.,$1,.,$2),2))
}
alias -l elapsed {
  return $+($duration($int($calc(($ticks - $1) / 1000)),3),.,$calc(($ticks - $1) % 1000))
}