#top_menu li a{background:url(/image/top_menu_english.png) no-repeat}#top_menu .mnt_status{width:117px}#top_menu .mnt_basic{width:115px;background-position:-117px 0}#top_menu .mnt_service{width:115px;background-position:-232px 0}#top_menu .mnt_security{width:115px;background-position:-347px 0}#top_menu .mnt_system{width:115px;background-position:-462px 0}#top_menu .mnt_management{width:171px;background-position:-577px 0}.btn_upper_right .btn_lang{width:35px;background:url(/image/ico_lang_en.png) no-repeat;background-position:9px 8px}