<formaction="<?phpechoapi_get_self();?>"method="post"onsubmit="javascript: if (!confirm('<?phpechoaddslashes(api_htmlentities(get_lang("ConfirmUnsubscribeFromCourse"),ENT_QUOTES,api_get_system_encoding()))?>')) return false;">
<formaction="<?phpechoapi_get_self();?>"method="post"onsubmit="javascript: if (!confirm('<?phpechoaddslashes(api_htmlentities(get_lang("ConfirmUnsubscribeFromCourse"),ENT_QUOTES,api_get_system_encoding()))?>')) return false">