(first i'd like to say 'wow this window we type the posts into is rediculiously small...')

I've been writting a custom display script for mirc, but i've been asked to alter it to add nick highlights. so far i've only been using mirc's highlight feature but the halt command stops that from working. My scripting abilities are extreamly rusty at the moment.
How can i script a highlight into that? thanks smile if you can help
Code:
 
on ^*:TEXT:*:#: { 
  if ($nick isop $chan) { echo 2 $chan <@ $+ $nick $+ >1 $1- | halt }
  if ($nick isvo $chan) { echo 2 $chan <+ $+ $nick $+ >1 $1- | halt }
  else                  { echo 2 $chan < $+ $nick $+ >1 $1- | halt }
}