Include all field types

Please could you add all the field types into the Javascript list?

Currently only input and textarea fields can be hidden.

If other field types can be hidden (eg. select) it would be really useful.

For example, we are passing a course code in the URL, and want to display the related course name. The only way to do this is via a drop down (select) field, but we don’t want the user to change the content of the drop down.

Thanks,

Mark