APM Open a second startup browser after the webtop portal launch

Code 
when CLIENT_ACCEPTED {
ACCESS::restrict_irule_events disable
    }
    when RULE_INIT { 
       set web_code "
         
          

   "

}

  when HTTP_REQUEST {
set activate_js 0 
if { [HTTP::uri] ends_with "/vdesk/webtop.eui?webtop=/Cert/My_Test_webtop&webtop_type=webtop_full" } {
log local0. "URI match full webtop"
 Don't allow data to be chunked 
    if { [HTTP::version] eq "1.1" } { 
        if { [HTTP::header is_keepalive] } { 
           HTTP::header replace "Connection" "Keep-Alive" 
        } 
        HTTP::version "1.0" 
    } 
    set activate_js 1  
   }
}
when HTTP_RESPONSE { 
 if {$activate_js equals "1"} { 
    if { [HTTP::header Content-Type] starts_with "text/html" } { 
       if { [HTTP::header exists "Content-Length"] } { 
          log local0. "content length: [HTTP::header {Content-Length}]" 
          set content_length [HTTP::header "Content-Length"] 
       } else { 
       set content_length 1000000000 
     } 
     log local0. "Collecting $content_length bytes" 
     if { $content_length > 0 } { 
        HTTP::collect $content_length 
     } 
   } 
    } 
 } 
 when HTTP_RESPONSE_DATA {
    set web_code "
      
      

"
my trigger is 8888, it could be anything
if { [HTTP::payload] contains "8888" }{
 log local0. "Payload didn't contain $::exist_search!"
set idx [string last "" [HTTP::payload]]
if { -1 == $idx } {
  set idx [string last "" [HTTP::payload]]
}
log local0. "html end tag found at $idx"
if { -1 == $idx } {
  set offset [HTTP::payload length]
} else {
  set offset $idx
}
 HTTP::payload replace $offset 0 $web_code
 log local0. "HTTP_REQUEST_DATA good"
 }
}