* Return a select using 'field_select_raw' template, with timezones
* groupped (primarily) by continent
* arguments follow convetion as other field_* template array:
* 'name', 'label', $value, 'help'
* Return a select using 'field_select_raw' template, with timezones
* groupped (primarily) by continent
* arguments follow convetion as other field_* template array:
* 'name', 'label', $value, 'help'