Unhighlight Blog from menus when in search

function dtbaker_wp_nav_menu_objects($sorted_menu_items, $args){
    // check if the current page is really a blog post.
    global $wp_query;
    global $post;
    $current_page = $post;
    if(!empty($wp_query->queried_object_id)){
        if($current_page && $current_page->post_type=='post'){
            //yes!
        }else{
            $current_page = false;
        }
    }else{
        $current_page = false;
    }

    $home_page_id = (int) get_option( 'page_for_posts' );
    foreach($sorted_menu_items as $id => $menu_item){
        if ( ! empty( $home_page_id ) && 'post_type' == $menu_item->type && empty( $wp_query->is_page ) && $home_page_id == $menu_item->object_id ){
            if(!$current_page){
                foreach($sorted_menu_items[$id]->classes as $classid=>$classname){
                    if($classname=='current_page_parent'){
                        unset($sorted_menu_items[$id]->classes[$classid]);
                    }
                }
            }
        }
    }
    return $sorted_menu_items;
}
add_filter('wp_nav_menu_objects','dtbaker_wp_nav_menu_objects',10,2);
?>