exclude 36 children from the_category

//
//a filter function to exclude all child categories of cat 36 from the_category()
//
add_filter('the_category', 'the_category_exclude_parent_36');

function the_category_exclude_parent_36($list) {
    global $post;
    $categories = get_the_category( $post->ID );
    $thelist = ''; $separator = ', ';
    $i = 0;
    foreach ( $categories as $category ) {
        if( $category->category_parent != 36 ) :
            if ( 0 < $i )
                $thelist .= $separator;
                $thelist .= '<a href="' . get_category_link( $category->term_id ) . '" title="' . esc_attr( sprintf( __( "View all posts in %s" ), $category->name ) ) . '" ' . $rel . '>' . $category->name.'</a>';
            ++$i;
        endif;
    }
    return $thelist;
}
//
//end of the filter function to exclude all child categories of cat 36
//