Fix: "Now" link works when date popup is not used.

ChangeLog

htdocs/admin/ihm.php

htdocs/html.form.class.php

htdocs/includes/menus/barre_left/eldy_backoffice.php

htdocs/includes/menus/barre_left/eldy_frontoffice.php

htdocs/langs/en_US/admin.lang

htdocs/langs/fr_FR/admin.lang

htdocs/lib/lib_head.js

htdocs/main.inc.php