Hi all!
This´s "my" final Code. It´s Ok, perfect!
Thanks for all! wink

Code:
on *:part:#:{
   if *.MindForge.org !iswm $site {
     set -eu3600 %Previous $+ $nick $site
  }
}
on *:QUIT:{
   if *.MindForge.org !iswm $site {
     set -eu3600 %Previous $+ $nick $site
  }
}
on *:KICK:#:{
   if *.MindForge.org !iswm $gettok($address($knick,1),2,64) {
     set -eu3600 %Previous $+ $knick $gettok($address($knick,1),2,64)
  }
}
;========================================================
ON ^*:JOIN:#:{
  If $nick == $me { echo $chan $timestamp * Join on $chan | haltdef | halt }
  else {
    var %i = 0
    while (%i <= $var($eval(% $+ Previous $+ *),0)) {
      inc %i
      if ($site == $var($eval(% $+ Previous $+ *),%i).value) {
        if ($nick != $remove($var($eval(% $+ Previous $+ *),%i),$chr(37),Previous)) {
          echo $chan $timestamp * $nick ( $replace( $+ $address $+ ,@,12@) 12) has joined (14joined previously as $remove($var($eval(% $+ Previous $+ *),%i),$chr(37),Previous) $+ )
          splay Notify
          goto end 
        }
      }
    }
  echo $chan $timestamp * $nick ( $replace( $+ $address $+ ,@,12@) ) has joined
 }
 :end
 haltdef
}
;========================================================
on *:DISCONNECT:{ 
   unset %Previous*
}


Thanks very much again cool

Nice day smile


·´¯`·.¸¸“Jã¢k øf ãll ‡rãÐ꧅„…Mã§têR øf Nønꔸ¸.·´¯`·