Wordpress Title Filter Modifier

so4985162.php

add_filter('wp_title', 'set_page_title');

function set_page_title($title) { 
  global $brand;

  // To test if the function is called!
  global $wp_query;
  print_r($wp_query);

  if (is_page_template('designer.php')) 
     return 'Designer '.$brand['name'].' - '.get_bloginfo('name');   
  else
     return $title;
}