Function Render-Autodropdown

Part of:

package weblocks
( render-autodropdown < name > < selections > < action > &key < selected-value > < welcome-name > < id > (class autodropdown) < dropdown-id > < dropdown-class > < submit-id > < submit-class > (submit-button-name (humanize-name *submit-control-name*)) (method-type get) (use-ajax-p t) )
Renders a dropdown along with a form. The dropdown automatically
submits on selection, or if JS is off, a button is automatically
presented to the user.