Better Search WP plugin Exclude Posts/Pages from Results

		$sql = "SELECT ID, ";

		$sql .= "(MATCH(post_title) AGAINST ('%s' ".$boolean_mode." ) * %d ) + ";

		$sql .= "(MATCH(post_content) AGAINST ('%s' ".$boolean_mode.") * %d ) ";

		$sql .= "AS score FROM ".$wpdb->posts." WHERE MATCH (post_title,post_content) AGAINST ('%s' ".$boolean_mode.") AND post_status = 'publish' ";

        // Exclude custom post types from search results
	// Custom post type excluded here is "announcements"
        $sql .= "AND post_type != 'announcements' ";

		$sql .= "AND ( ";

		$multiple = false;

		foreach ($post_types as $post_type) {

			if ( $multiple ) $sql .= ' OR ';

			$sql .= " post_type = '%s' ";

			$multiple = true;

			$args[] = $post_type;	// Add the post types to the $args array

		}

		$sql .=" ) ";

        // Exclude post IDs from search results
	// The post IDs are comma delimited
        $sql .= "AND ID NOT IN (100,203,400) ";

		if ($bydate) {

			$sql .= "ORDER BY post_date DESC ";

		} else {

			$sql .= "ORDER BY score DESC ";

		}