<?php do_action( 'bp_before_blog_search_form' ) ?>
<form method="get" id="searchform" action="<?php bloginfo('url'); ?>/">
<input type="text" value="<?php the_search_query(); ?>" name="s" id="s" />
<input type="submit" id="searchsubmit" value="<?php _e( 'Search', 'buddypress' ) ?>" />
<?php do_action( 'bp_blog_search_form' ) ?>
</form>
<?php do_action( 'bp_after_blog_search_form' ) ?>