out(A) -> CSS = case euphorik_bd:css_from_user_cookie(yaws_api:find_cookie_val("cookie", A)) of undefined -> "css/1/euphorik.css"; C -> C end, {ehtml, {link , [ {id, "cssPrincipale" }, {rel, "stylesheet"}, {href, CSS}, {type, "text/css"}, {media, "screen"} ], []} }.