/link {
  if (!$1) {
    /echo -a 6Please use 7/link <world nr.> <detail>
  }
  elseif ($1 !isnum) {
    /echo -a 6Please set a 7number6 as a world.
  }
  elseif ($1 == 49 || $1 == 73 || $1 == 89 || $1 == 122 || $1 == 123 || $1 > 144 || $1 < 1) {
    /echo -a 6World7 $1 6doesn't exist.
  }
  elseif ($1 > 20) {
    /echo -a 6Only world 71-206 are available at this moment.
  }
  elseif ($2 != low && $2 != high || !$2 ) {
    /echo -a 6Please choose 7Low6" or "7High6 as detail.
  }
  else {
    /run http://h1.ripway.com/Q0nquer0r/worldlinks/ $+ $2 $+ /w $+ $1 $+ .html
  }
}